camera identify
Try for Free
tab list
PictureThis
English
arrow
English
繁體中文
日本語
Español
Français
Deutsch
Pусский
Português
Italiano
한국어
Nederlands
العربية
Svenska
Polskie
ภาษาไทย
Bahasa Melayu
Bahasa Indonesia
PictureThis
Search
Search Plants
Try for Free
Global
English
English
繁體中文
日本語
Español
Français
Deutsch
Pусский
Português
Italiano
한국어
Nederlands
العربية
Svenska
Polskie
ภาษาไทย
Bahasa Melayu
Bahasa Indonesia
This page looks better in the app
about about
About
care_guide care_guide
Care Guide
topic topic
Care FAQ
plant_info plant_info
More Info
pests pests
Pests & Diseases
distribution_map distribution_map
Distribution
care_scenes care_scenes
More About How-Tos
more_plants more_plants
Related Plants
pic top
Box elder play
Box elder
video play
Box elder
Box elder
Box elder
Box elder
Box elder
Acer negundo
Also known as : Maple ash, Manitoba maple
Box elder (Acer negundo) is a type of maple tree native to North America, but which is now found throughout the world. It is a hardy, medium-to-large tree that grows quickly and has a relatively short lifespan of up to 60 years. Older trees are prone to storm damage. Box elder wood is relatively flimsy because the tree grows so fast.
Water
Water
Every 1-2 weeks
more
Sunlight
Sunlight
Full sun
more
care guide

Care Guide for Box elder

Watering Care
Watering Care
Box elder is a hardy plant with a fairly high drought tolerance. If you're planting or transplanting, your new tree could probably use a little extra watering during its first season. Otherwise, Box elder tends to do fine on its own, being able to adapt to the climate it's growing in, including soils that tend toward dry or wet. If your area is experiencing a prolonged drought, and you're seeing shriveling or wilting leaves, though, it's a good idea to do some supplemental watering.
Details on Watering Care Watering Care
Fertilizing Care
Fertilizing Care
Box elder can thrive in all sorts of soil types. Not big nutrient-hogs, they rarely need any sort of supplemental fertilizer. If you have a newly transplanted box elder or would just like to give your tree a boost, however, you can apply a balanced (e.g., 10-10-10) slow-release fertilizer around the trunk of your tree during the spring.
Details on Fertilizing Care Fertilizing Care
Pruning
Pruning
Shape the plant every 2 months during the growing season.
Details on Pruning Pruning
Soil Care
Soil Care
Clay, Sand, Loam, Chalky, Acidic, Neutral, Alkaline
Details on Soil Care Soil Care
Ideal Lighting
Ideal Lighting
Full sun, Partial sun
Details on Sunlight Requirements Ideal Lighting
care guide bg
Know the light your plants really get.
Find the best spots for them to optimize their health, simply using your phone.
Download the App
Picture This
A Botanist in Your Pocket
qrcode
Scan QR code to download
label
cover
Box elder
Water
Water
Every 1-2 weeks
Sunlight
Sunlight
Full sun
Hardiness Zones
Hardiness Zones
2 to 10
Planting Time
Planting Time
Spring, Early summer, Fall, Early winter
question

Questions About Box elder

Watering Watering Watering
Pruning Pruning Pruning
Sunlight Sunlight Sunlight
Temperature Temperature Temperature
Fertilizing Fertilizing Fertilizing
What's the best method to water my Box elder?
You might want to put a garden hose at the plant base to ensure that you're promoting excellent root development. Avoid directly spraying the leaves, and know that the leaves will require more watering if they are outdoors and facing direct sunlight. You can also use bubblers that you can put on to each plant to moisten the roots. Also, use soaker hoses that can cover the entire garden or bed when adding or removing plants to push the roots deeply. Drain any excess water and wait for the soil to dry before watering. Water at ground level to prevent diseases. On a sunny day, you might want to spray the entire bush with water. Whether potted or in-ground, please remember Box elder prefers deep watering over light sprinkling.
Read More more
What should I do if I water Box elder too much/too little?
An overwatered Box elder can start to have leaves that turn yellow, drop off and wilt. The plant can also look dull and unhealthy, with signs of mushy stems. When they are beginning to show these signs, it's best to adjust your schedule whenever possible.
The wilting can also be a sign of under watering as well. You might see that the leaves begin to turn crispy and dry while the overwatered ones will have soft wilted leaves. Check the soil when it is dry and watering is not enough, give it a full watering in time. Enough water will make the Box elder recover again, but the plant will still appear dry and yellow leaves after a few days due to the damaged root system. Once it return to normal, the leave yellowing will stop .
Always check the moisture levels at the pot when you have the Box elder indoors. Avoid overwatering indoors and see if there are signs of black spots. If these are present, let the soil dry in the pot by giving it a few days of rest from watering.
Overwatering can lead to root rot being present in your plant. If this is the case, you might want to transfer them into a different pot, especially if you see discolored and slimy roots. Always prevent root rot as much as possible, and don't let the soil become too soggy.
You should dig a little deeper when you plant your Box elder outdoors. When you check with your fingers and notice that the soil is too dry, it could mean underwatering. Adequate watering is required to help the plant recover.
Read More more
How often should I water my Box elder?
The Box elder likes deep and infrequent watering. You would want to soak them in a gallon of water each time, especially when they are planted in pots. The water storage of flower pots is limited and the soil will dry out faster. Watering is required every 3 to 5 days when living in a cold region. Water it early in the morning when the soil is dry, outdoors or indoors. You can also determine if watering is needed by checking the soil inside. When the top 2-3 inches of soil is dry, it is time to give the plant a full watering. During hot days, you may need to check the moisture daily, as the heat can quickly dry out the soil in the pot.
Irrigation of the soil is also required if you have a garden. When you live in a hot climate, you might want to water once a week. Only water when you notice that about 2 to 3 inches of soil become too dry outdoors or indoors. Consider the amount of rainwater on the plant and ensure not to add to it to prevent root rot.You may not need additional watering of the plants if there is a lot of rainfall.Box elder generally grows during spring and fall. When they are outdoors, you need to add mulch about 3 to 4 inches deep to conserve more water.
You need to water the plants more frequently in sandy soil because this type tends to drain faster. However, with the clay one, you need to water this less frequently where you could go for 2-3 days to dry the plant and not develop any root rot. You could mark the date on the calendar whenever you water and when you notice that the leaves are starting to droop. This can mean that you might be a day late.
Read More more
How much water do I need to give my Box elder?
The Box elder generally needs about a gallon of water each schedule,With the potted plants, you might want to water them deeply until you see that the water is dripping at the bottom of the pot. Then, wait for the soil to dry before watering them again. You can use a water calculator or a moisture meter to determine the amount you've given to your plant in a week. Provide plenty of water, especially in the flowering period, but let the moisture evaporate afterwards to prevent root rot.
If Box elder is planted outdoor with adequate rainfall, it may not need additional watering. When Box elder is young or newly planted, make sure it gets 1-2 inches of rain per week. As Box elder continues to grow, it can survive entirely on rainfall. Only when the weather is too hot, or when there is no rainfall at all for 2-3 weeks, then consider giving Box elder a full watering during the cooler moment of the day to prevent the plant from suffering from high heat damage. Additional watering will be required during persistent dry spells.
Read More more
Should I adjust the watering frequency for my Box elder according to different seasons or climates?
The Box elder needs outdoors come from rain, with only persistent dry weather requiring watering. Throughout the spring and fall growing seasons, the soil needs to be kept moist but not soggy, and alternating dry and moist soil conditions will allow the Box elder to grow well. Throughout the summer, hot weather can cause water to evaporate too quickly, and if there is a lack of rainfall, you will need to water more frequently and extra to keep it moist.
Usually, the Box elder will need less water during the winter. Since the Box elder will drop their leaves and go dormant, you can put them into a well-draining but moisture-retentive soil mixture like the terracotta to help the water evaporate quicker. Once your Box elder growing outdoors begins to leaf out and go dormant, you can skip watering altogether and in most cases Box elder can rely on the fall and winter rains to survive the entire dormant period.
After the spring, you can cultivate your Box elder and encourage it to grow and bloom when the temperature becomes warmer.This plant is not generally a fan of ponding or drought when flowering. You must ensure that the drainage is good at all times, especially during the winter.
When the plant is in a pot, the plant has limited root growth. Keep them well-watered, especially if they are planted in pots during summer. They don't like cold and wet roots, so provide adequate drainage, especially if they are still growing.
It's always best to water your Box elder’s diligently. Get the entire root system into a deep soak at least once or twice a week, depending on the weather. It's best to avoid shallow sprinkles that reach the leaves since they generally encourage the growth of fungi and don't reach deep into the roots. Don't allow the Box elder’s to dry out completely in the fall or winter, even if they are already dormancy.
Don't drown the plants because they generally don't like sitting in water for too long. They can die during winter if the soil does not drain well. Also, apply mulch whenever possible to reduce stress, conserve water, and encourage healthy blooms.
Read More more
What should I be careful with when I water my Box elder in different seasons, climates, or during different growing periods?
If planting in the ground, Box elder mostly relies on rain. However, if there is no rainfall for 2-3 weeks, you may need to give proper consideration to giving the plants a deep watering. If watering Box elder in summer, you should try to do it in the morning. A large temperature difference between the water temperature and the root system can stress the roots. You need to avoid watering the bushes when it's too hot outside. Start mulching them during the spring when the ground is not too cold.
The age of the plants matter. Lack of water is one of the most common reasons the newly planted ones fail to grow. After they are established, you need to ease off the watering schedule.
Reduce watering them during the fall and winter, especially if they have a water-retaining material in the soil. The dry winds in winter can dry them out, and the newly planted ones can be at risk of drought during windy winter, summer, and fall. Windy seasons mean that there's more watering required. The ones planted in the pot tend to dry out faster, so they need more watering. Once you see that they bloom less, the leaves begin to dry up.
Potted plants are relatively complex to water and fluctuate in frequency. Always be careful that the pot-planted plant don't sit in the water. Avoid putting them in containers with saucers, bowls, and trays. Too much watering in the fall can make the foliage look mottled or yellowish. It's always a good idea to prevent overwatering them regardless of the current climate or season that you might have. During the months when Box elder begins to flower, you might want to increase the watering frequency but give it a rest once they are fully grown.
Give them an adequate amount of water once every 3 to 5 days but don't give them regular schedules. Make sure the soil is dry by sticking your finger in the pot, or use a moisture meter if you're unsure if it's the right time. Too much root rot can cause them to die, so be careful not to overwater or underwater regardless of the climate or season you have in your area.
Read More more
Why is watering my Box elder important?
Watering the Box elder helps transport the needed nutrients from the soil to the rest of the plant. The moisture will keep this species healthy if you know how much water to give. The watering requirements will depend on the weather in your area and the plant's soil.
The Box elder thrives on moist soil, but they can't generally tolerate waterlogging. Ensure to provide enough mulch when planted on the ground and never fall into the trap of watering too little. They enjoy a full can of watering where the water should be moist at the base when they are planted in a pot to get the best blooms.
If they are grown as foliage, you need to water them up to a depth of 10 to 20 inches so they will continue to grow. If it's raining, refrain from watering and let them get the nutrients they need from the rainwater.
Read More more
icon
Get tips and tricks for your plants.
Keep your plants happy and healthy with our guide to watering, lighting, feeding and more.
close
plant_info

Key Facts About Box elder

Attributes of Box elder

Lifespan
Perennial
Plant Type
Tree
Planting Time
Spring, Early summer, Fall, Early winter
Bloom Time
Spring
Harvest Time
Early fall, Mid fall
Plant Height
10 m to 25 m
Spread
8 m
Leaf Color
Green
Yellow
Flower Size
10 cm to 20 cm
Flower Color
Green
Yellow
Fruit Color
Brown
Green
Gold
Stem Color
Green
Yellow
Brown
Dormancy
Winter dormancy
Leaf type
Deciduous
Ideal Temperature
0 - 35 ℃
Pollinators
Beetles, Wasps, Flies, Wind
Benefits to Pollinating Insects
Adult food, Larval food, Nesting and structure bees
Growth Rate:Rapid
Given its rapid growth rate, during Spring and Summer, the box elder can exhibit remarkable progress in height, leaf production, and bud formation. This speed allows it to quickly colonize areas, sometimes appearing like an opportunistic species. However, the accelerated rate often results in weaker, more susceptible wooded structures.

Name story

Boxelder maple
It is often called the boxelder maple. In fact, the name boxelder is actually composed of the genus names, buxus and sambucus, meaning boxwood and elder respectively. As its white wood is very similar to the boxwood plant, and its leaves are similar to most species within the sambucus genus, it is thus called the boxelder maple.

Symbolism

Persistence, warmth, sincerity

Usages

Environmental Protection Value
It has strong resistance to harmful gases.
Garden Use
Box elder is considered a good variety for planting in gardens and yards, and can also be suitable for planting along streets. It has been commonly used as a landscaping tree in suburban neighborhoods for its dense shade, and pairs well with other maples.

Trivia and Interesting Facts

Boxelder and maple trees are very similar. They are green in summer and their leaves turn red in autumn and winter. But there is a saying that can help distinguish the two: "Three-lobed leaf maple and five-leaf boxelder". Those who gather boxelder leaves under the boxelder tree will be lucky.

Scientific Classification of Box elder

icon
Find your perfect green friends.
Plan your green oasis based on your criteria: plant type, pet safety, skill level, sites, and more.
pests

Common Pests & Diseases About Box elder

Common issues for Box elder based on 10 million real cases
Brown spot
Brown spot Brown spot
Brown spot
This infection can cause brown spots or patches to appear on the plant.
Solutions: In minor cases of brown spot, there isn’t any need to treat the disease. However, if much of the foliage is affected and defoliation occurs, the plant will benefit from getting rid of the infection. It is recommended to start by applying organic treatment options, working up to the more potent synthetic, chemical fungicides if necessary. Organic options won’t kill the fungus, but will prevent it from spreading. Dissolve ½ teaspoon of baking soda and one teaspoon of liquid soap in a gallon of water. Using a spray bottle, spray on tops and bottoms of leaves until the mixture drips off. Repeat every two weeks until existing spots stop enlarging and new spots no longer appear. Spray a copper-based fungicidal soap on the leaves, coating the top and bottom leaf surfaces. Reapply as directed on the product label. Copper penetrates the leaf surface and prevents germination of spores so the fungus cannot spread. Apply an all-purpose fungicide to the entire plant, following the label instructions carefully.
Plant dried up
Plant dried up Plant dried up
Plant dried up
The entire plant may dry out due to dieback or normal seasonal dormancy.
Solutions: The solution for a dried out plant depends on the cause, so determine the cause before selecting a treatment method. Adjust your watering: Stick your finger in the soil near the roots. If it feels bone dry or overly saturated, you need to adjust your watering frequency accordingly. Prune back dead foliage: Snip off any brown stems and leaves on the plant to make space for new growth. This encourages the roots to send up fresh stems. Move to a proper environment. This may involve decreasing or increasing sun exposure, depending on the species. Decrease fertilizer applications. If you have applied too much fertilizer, you can repot plants with fresh potting soil. Wait. If your plant has dried out as daylight is decreasing, it is entering dormancy. Decrease watering and wait until the plant resumes growth.
Scars
Scars Scars
Scars
Any light-colored markings that appear on stems but which do not enlarge or multiply are simply scars that have healed.
Solutions: Each source of scarring requires a different approach to help your plant recover. Protect the trunk and leaves from physical damage like scrapes. If pests or disease are the cause of scarring, isolate the plant from others to avoid further spread. Some pests can be removed with organic remedies such as a soft cloth and soapy water solution or diluted isopropyl alcohol spray. Stop sunburn by moving your plant away from direct sunlight and making sure it has the water it needs. Frequent leaf or bud loss may be due to insufficient light or nutrients.
Fruit withering
Fruit withering Fruit withering
Fruit withering
Fungal infection or normal ripening can cause the fruit to dry out.
Solutions: There are a number of appropriate solutions to control fruit withering: Remove any fruit as soon as it shows any signs of infection. Do not compost. Use a fungicide prior to leaf bud and then as per manufacturers instructions throughout the season.
Black spot
Black spot Black spot
Black spot
Infection by the black spot pathogen causes black spots or patches to appear on leaves.
Solutions: Some steps to take to address black spot include: Prune away any infected leaves, cleaning the pruners between plants with a 10% bleach solution so that the fungus does not spread to healthy leaves. Don't compost pruned plant parts as the spores can linger in the soil for a long period of time - instead, dispose of them in the trash. Use an approved fungicide such as Trifloxystrobin, Chlorothalonil, Maneb, or Myclobutanil. Use a spreader in the fungicide spray to ensure better coverage.
Underwatering yellow
Underwatering yellow Underwatering yellow
Underwatering yellow
A lack of water will cause the leaves to gradually turn yellow starting at the base of the branch while the entire plant appears to wilt.
Solutions: Your plant is very thirsty and needs water promptly. You can revive your plant by giving it water. The easiest technique is to slowly pour water into your plant’s soil so that the whole surface is moistened. If you pour the water too quickly, the water will flow directly through rather than diffusing throughout the soil. If your plant’s pot does not have drainage holes, do not give your plant more than about a third of the pot’s volume of water. If your plant’s pot does have drainage holes, you can add water slowly until the soil is thoroughly moistened and the water flows freely through the pot. If you trim off yellow leaves to improve the plant’s appearance, do not remove more than a third of the plant’s leaves. It may be better to wait until leaves have died and fallen off to remove them.
icon
Treat and prevent plant diseases.
AI-powered plant doctor helps you diagnose plant problems in seconds.
close
Brown spot
plant poor
Brown spot
This infection can cause brown spots or patches to appear on the plant.
Overview
Overview
Discolored spots on the foliage of plants are one of the most common disease problems people observe. These spots are caused by fungal and bacterial diseases, with most infections related to a fungal pathogen.
Brown spot can occurs on all houseplants, flowering ornamentals, vegetable plants, and leaves of trees, bushes, and shrubs. No plants are resistant to it, and the problem is worse in warm, wet environments. It can occur at any point in the life stage as long as leaves are present.
Small brownish spots appear on the foliage and enlarge as the disease progresses. In severe cases, the plant or tree is weakened when the lesions interrupt photosynthesis or cause defoliation.
Symptom Analysis
Symptom Analysis
In most cases, brown spot only affects a small percentage of the whole plant, appearing on a small amount of the leaves. A small infection only puts minor stress on the plant. However, if left untreated and the disease progresses over numerous seasons, it will severely impact the health and productivity of the infected specimen.
  • Sporulation begins (reproduction of the fungal spores), and tiny spots appear on leaves.
  • Placement is often random and scattered as diseases are spread through raindrops.
  • May appear on lower leaves and the interior of the plant where humidity is higher.
  • Brown spots enlarge and grow large enough to touch neighboring spots to form a more prominent blotch.
  • Leaf margins may turn yellow.
  • Tiny black dots (fruiting bodies of the fungi) appear in the dead spots.
  • Blotches grow in size until the entire leaf is brown.
  • The leaf falls off the plant.
Severe Symptoms
  • Partial or complete premature defoliation
  • Reduced growth
  • Increased susceptibility to pests and other diseases
Disease Cause
Disease Cause
Brown spot, or leaf spot, is a common descriptive term given to several diseases affecting the leaves of plants and trees. Around 85% of diseases exhibiting leaf spots are due to fungus or fungus-like organisms. Sometimes brown spot is caused by a bacterial infection, or insect activity with similar symptoms.
When conditions are warm and the leaf surfaces are wet, fungal spores being transported by wind or rain land on the surface and cling to it. They do not rupture the cell walls but grow in the space between the plant plasma membrane and the plant cell wall. As the spores reproduce, they release toxins and enzymes that cause necrotic spots (i.e., dead tissue) on the leaves, allowing the fungi to consume the products released when the cells degrade.
Continue reading in our app - it's better
A database of 400000+ plants and unlimited guides at your fingertips...
qrcode
Scan the QR code with your phone camera to download the app
Plant dried up
plant poor
Plant dried up
The entire plant may dry out due to dieback or normal seasonal dormancy.
Symptom Analysis
Symptom Analysis
Your plant has dried out and turned brown. It might be starting to wilt, with no noticeable green around the stems and leaves. Touch the leaves, and they may crinkle under your fingers.
Possible causes of a dried out plant include:
  1. Not enough water. A lack of water will lead to dry plant tissue.
  2. Too much water. Watering too much can lead to root rot which makes the plant struggle to take up water. Rotted, mushy roots are a sign of overeating.
  3. Entering dormancy. As perennial plants enter their resting period known as dormancy, their leaves dry out and may fall off. This happens during decreasing day length.
  4. Exposure to herbicides and other toxic substances. If a plant is hit with a large dose herbicide or other toxic chemical, the plant will turn brown.
  5. Too much fertility. An excess of fertilizer can prevent plants from taking up water, leading to drying.
  6. Improper sun exposure. Just like humans, plants can get sunburn by intense, direct light. Plants can also dry out if they don’t receive enough light.
To determine whether the plant is still alive and can be saved, you can:
  1. Bend a stem. If the stem is pliable, the plant is still alive. If the stem breaks, the plant is dead.
  2. Gently scratch the stem with your fingernail for signs of green inside. If your plant is dead, the stem will be brittle and brown throughout.
  3. Cut the stems back a little bit a time for visible green growth. If none of the stems have visible green growth, the plant is dead.
Solutions
Solutions
The solution for a dried out plant depends on the cause, so determine the cause before selecting a treatment method.
  1. Adjust your watering: Stick your finger in the soil near the roots. If it feels bone dry or overly saturated, you need to adjust your watering frequency accordingly.
  2. Prune back dead foliage: Snip off any brown stems and leaves on the plant to make space for new growth. This encourages the roots to send up fresh stems.
  3. Move to a proper environment. This may involve decreasing or increasing sun exposure, depending on the species.
  4. Decrease fertilizer applications. If you have applied too much fertilizer, you can repot plants with fresh potting soil.
  5. Wait. If your plant has dried out as daylight is decreasing, it is entering dormancy. Decrease watering and wait until the plant resumes growth.
Prevention
Prevention
Prevention involves providing your plant with the proper environment.
  1. Provide the proper amount of water. The amount of water depends on a plant’s size, species, and environment. A general rule is to allow soil to dry out between waterings.
  2. Place plants in the proper environment. Provide the proper hours of sun and temperature for your individual plant.
  3. Provide proper fertility. Most plants only need to be fertilized once or twice a year; don’t overapply.
  4. Keep plants free from toxic substances. Keep herbicides and toxic household chemicals away from your plants.
Continue reading in our app - it's better
A database of 400000+ plants and unlimited guides at your fingertips...
qrcode
Scan the QR code with your phone camera to download the app
Scars
plant poor
Scars
Any light-colored markings that appear on stems but which do not enlarge or multiply are simply scars that have healed.
Symptom Analysis
Symptom Analysis
Scars form when the plant repairs wounds. They can be the result of people or pets passing by and scraping the plant. Once the underlying issue is resolved, the plant will heal but a scar may remain.
Pests and pathogens can also cause scarring. Insects may attack the plant for a meal, resulting in extensive scarring when a few invaders turn into an infestation. Diseases such as fungus and bacteria can weaken the plant, causing brown spots, mushy areas, or blisters that lead to scars.
Scars occur on stems when a leaf or bud has been lost and the plant has healed. The harder tissue is like a scab that protects a wound.
On other occasions, scars can signal problems from environmental conditions, such as overexposure to sunlight or heat. It might surprise you to know that plants can suffer from sunburn, even desert dwellers like cactus!
Solutions
Solutions
Each source of scarring requires a different approach to help your plant recover.
  1. Protect the trunk and leaves from physical damage like scrapes.
  2. If pests or disease are the cause of scarring, isolate the plant from others to avoid further spread. Some pests can be removed with organic remedies such as a soft cloth and soapy water solution or diluted isopropyl alcohol spray.
  3. Stop sunburn by moving your plant away from direct sunlight and making sure it has the water it needs.
  4. Frequent leaf or bud loss may be due to insufficient light or nutrients.
Prevention
Prevention
Preventing some sources of scarring is easier than others, but all start with careful attention to your plants once you decide to bring them home.
  1. Review specific guidelines for your plant, including soil drainage, watering, and fertilizer requirements.
  2. Inspect plants before planting and use sterile pots and fresh potting soil or media to limit transfer of fungi or bacteria.
  3. Once established, check your plants regularly for signs of scarring or the presence of pests, as it is better to catch problems as early as possible.
Continue reading in our app - it's better
A database of 400000+ plants and unlimited guides at your fingertips...
qrcode
Scan the QR code with your phone camera to download the app
Fruit withering
plant poor
Fruit withering
Fungal infection or normal ripening can cause the fruit to dry out.
Overview
Overview
Fruit withering is common on many tree fruits, including apples, pears, peaches, cherries, and plums, as well as fruiting shrubs. It is caused by a fungal pathogen and will result in wrinkled and desiccated fruit.
Symptom Analysis
Symptom Analysis
Here are the most common symptoms in the order that they are likely to occur.
  1. Both leaves and blossom on the tips of branches will go brown and wither.
  2. Gray powdery patches will appear on infected leaves and flowers, and this will be most apparent after rain.
  3. Any fruit that does appear will turn wrinkled and fail to develop.
  4. Branch tips begin to die, progressing back to larger branches, causing general deterioration of the tree or plant.
Disease Cause
Disease Cause
The withering is caused by one of two fungal pathogens, one called Monilina laxa and the other called M. fructigen. The spores overwinter on infected plant material and are then spread the following spring by wind, rain, or animal vectors. The problem will start to become noticeable in mid-spring, but will increase in severity as summer progresses and the fungus grows. If not addressed, the disease will intensify and spread to other plants in the vicinity.
Continue reading in our app - it's better
A database of 400000+ plants and unlimited guides at your fingertips...
qrcode
Scan the QR code with your phone camera to download the app
Black spot
plant poor
Black spot
Infection by the black spot pathogen causes black spots or patches to appear on leaves.
Overview
Overview
Black spot is a fungus that largely attacks leaves on a variety of ornamental plants, leaving them covered in dark spots ringed with yellow, and eventually killing them. The fungus is often simply unsightly, but if it infects the whole plant it can interfere with photosynthesis by killing too many leaves. Because of this, it is important to be aware of the best methods for preventing and treating this diseases should it occur in the garden.
Symptom Analysis
Symptom Analysis
Here are a few of the most common symptoms of black spot:
  • The plant has developed small black spots along the leaves.
  • These spots be small, circular, and clustered together, or they may have a splotchy appearance and take up large portions of the leaves.
  • The fungus may also affect plant canes, where lesions start purple and then turn black.
  • The plant may suffer premature leaf drop.
Though most forms of black spot fungus pose little risk to a plant's overall health, many gardeners find them unsightly. Severe cases can also weaken a plant, so it becomes more susceptible to other pathogens and diseases.
Disease Cause
Disease Cause
Black spot is spread by various types of fungi, which differ slightly depending on whether they are in their sexual or asexual stages.
The fungal spores linger over the winter in fallen leaves and lesions on canes. In the spring, the spores are splashed up onto the leaves, causing infection within seven hours of moisture and when temperatures range between 24 to 29 ℃ with a high relative humidity.
In just two weeks, thousands of additional spores are produced, making it easy for the disease to infect nearby healthy plants as well.
There are several factors that could make a plant more likely to suffer a black spot infection. Here are some of the most common:
  • Exposure to infected plants or mulch (the fungus overwinters on dead leaves)
  • Weakening from physical damage, pest infestation or other infections.
  • Increased periods of wet, humid, warm weather – or exposure to overhead watering
  • Plants growing too close together
Continue reading in our app - it's better
A database of 400000+ plants and unlimited guides at your fingertips...
qrcode
Scan the QR code with your phone camera to download the app
Underwatering yellow
plant poor
Underwatering yellow
A lack of water will cause the leaves to gradually turn yellow starting at the base of the branch while the entire plant appears to wilt.
Symptom Analysis
Symptom Analysis
Your plant’s leaves are turning yellow due to underwatering, the oldest leaves turn yellow first. Leaves yellow from the edges towards the middle. Other signs of underwatering include the soil feeling very dry or pulling away from the edge of its pot.
Solutions
Solutions
Your plant is very thirsty and needs water promptly.
  1. You can revive your plant by giving it water. The easiest technique is to slowly pour water into your plant’s soil so that the whole surface is moistened. If you pour the water too quickly, the water will flow directly through rather than diffusing throughout the soil. If your plant’s pot does not have drainage holes, do not give your plant more than about a third of the pot’s volume of water. If your plant’s pot does have drainage holes, you can add water slowly until the soil is thoroughly moistened and the water flows freely through the pot.
  2. If you trim off yellow leaves to improve the plant’s appearance, do not remove more than a third of the plant’s leaves. It may be better to wait until leaves have died and fallen off to remove them.
Prevention
Prevention
  1. When you get a new plant, research its specific watering needs. Set reminders so that you remember to water your plants consistently. Not all plants are the same, so make sure to differentiate all of your plants in your watering schedule.
  2. You may wish to purchase a commercial soil water meter which has a long probe that you place near your plant’s roots. Be sure to check it frequently and water your plant when the soil water meter indicates that it needs watering.
Continue reading in our app - it's better
A database of 400000+ plants and unlimited guides at your fingertips...
qrcode
Scan the QR code with your phone camera to download the app
distribution

Distribution of Box elder

Habitat of Box elder

Lowland sites along rivers, streams, ponds, seasonally flooded flats
Northern Hemisphere
South Hemisphere

Distribution Map of Box elder

Box elder is native to central and eastern North America, from northern Canada to Guatemala. It grows in lowland forests, edge habitats, and disturbed areas. Box elder has been introduced worldwide and has been listed as invasive in several US states, in addition to many countries in Europe and Oceania.
distribution map
Native
Cultivated
Invasive
Potentially invasive
Exotic
No species reported
habit
care_scenes

More Info on Box Elder Growth and Care

Basic Care Guide
Explore More
Water
Every 1-2 weeks
Box elder originates from regions within North America, with a predilection for riparian zones, meaning it thrives in environments with high moisture and frequent flood regimes. This translates to a need for ample water in cultivation, reflecting the naturally humid climate and periodic excessive soil hydration of its endemic locales. The plant's inherent need for heightened water sustains its rapid growth rate and adapts it to similar habitats beyond its original territories.
Watering Techniques
Lighting
Full sun
In its native ever-changing landscapes, box elder adapts to abundant sunlight exposure for optimal growth. Despite this preference, it tolerates lesser light conditions, yet it might compromise its health and vigor. Insufficient light could lead to slower growth, while excessive exposure may cause some harm.
Best Sunlight Practices
Temperature
-35 - 41 ℃
The box elder prefers a temperature range of 32 to 95 ℉ (0 to 35 ℃). It grows naturally in temperate climates and can adapt well to different temperature extremes, making it a hardy tree suitable for urban and suburban areas. In winter, the tree can withstand freezing temperatures, but it may require protection from extreme cold snaps.
Temp for Healthy Growth
Transplant
30-50 feet
For box elder, the ideal transplanting time is during late spring to midsummer when they experience active growth. Choose a location with well-drained soil and partial shade. Gently loosen the roots before transplanting and water well to encourage strong, healthy growth.
Transplant Techniques
Pruning
Spring, Winter
This deciduous, fast-growing tree with compound leaves and wind-dispersed seeds requires pruning to maintain structure and health. Key techniques for box elder include thinning out crowded branches, removing dead or diseased limbs, and shaping for aesthetics or clearance. Optimal pruning should be done in late winter to early spring before sap flow increases. Pruning box elder can improve air circulation, reduce disease risk, and manage unwanted sucker growth, ensuring a robust, well-proportioned canopy.
Pruning techniques
Feng shui direction
East
Box elder's vibrant energy harmonizes with the flowing chi, especially when placed in the East-facing part of a space. This supportive alliance is attributed to the wood element which fosters growth and prosperity, complementing the representational aspects of the East direction, such as new beginnings and family.
Fengshui Details
other_plant

Plants Related to Box elder

Japanese lawngrass
Japanese lawngrass
For a lush lawn in high traffic areas, japanese lawngrass, or Zoysia japonica is a solid choice. Also used for sports fields, golf courses, and commercial lawns, this grass is thick and lush. It is typically planted as sod, although some varieties will grow well from seed. Japanese lawngrass needs to be mowed short and its soil needs to dry out between watering so that it can develop a more drought resistant root system.
Cuban royal palm
Cuban royal palm
Cuban royal palm is a popular garden tree in tropical regions. Its economic value extends beyond aesthetics, as its timber is used for construction and furniture. The fruit, which is not commonly consumed, is used to make palm oil. The plant's towering height and large crown provide shelter for a variety of bird species. Its name, Roystonea, honors General Roy Stone, an American civil engineer, while regia refers to the plant's regal appearance.
Weeping fig
Weeping fig
Weeping fig (Ficus benjamina) is an evergreen tree native to Asia and Australia. It is one of the most popular houseplants in the world, known for its elegant, glossy leaves. However, people with allergies should avoid weeping fig, considering that it is a major source of indoor allergens. All parts of the plant are poisonous except the fruits.
Confederate rose
Confederate rose
A unique feature of the confederate rose (Hibiscus mutabilis) is its color-changing flowers. This shrubby rose bush blooms starting as white in the morning, turn pink at midday, and end red by the end of the day. This is a common plant species and although it is native to Southeast China, it can now be found on every continent except Antarctica.
Slender goldshower
Slender goldshower
Slender goldshower (Galphimia gracilis) is a flowering plant native to Mexico. Slender goldshower has many common names and is also known as the shower-of-gold and the gold shower. Slender goldshower can be differentiated from other common species Galphimia glauca and Galphimia brasiliensis by their flowers.
Carpet sedum
Carpet sedum
Carpet sedum (Sedum lineare) is also known as variegated stonecrop and needle stonecrop. It’s an exceedingly low-maintenance plant. In fact, one of the reasons it’s called stonecrop is that farmers have joked that “only stones need less care than sedum.” Another reason is the plant is often found growing over stones and rocks.
Cape jasmine
Cape jasmine
Gardenia jasminoides is an evergreen shrub with unique, glossy evergreen leaves and stunning flowers. The sophisticated, matte white flowers are often used in bouquets. The exceptional beauty of this ornamental plant has made it a popular and highly appreciated plant amongst gardeners and horticulturalists.
Golden pothos
Golden pothos
The golden pothos (Epipremnum aureum) is a popular houseplant that is commonly seen in Australia, Asia, and the West Indies. It goes by many nicknames, including "devil's ivy", because it is so hard to kill and can even grow in low light conditions. Golden pothos has poisonous sap, so it should be kept away from pets and children.
View More Plants
close
product icon
Continue reading in our app - it's better
A database of 400000+ plants and unlimited guides at your fingertips...
Your Ultimate Guide to Plants
Identify grow and nurture the better way!
product icon
17,000 local species +400,000 global species studied
product icon
Nearly 5 years of research
product icon
80+ scholars in botany and gardening
ad
ad
Botanist in your pocket
Scan the QR code with your phone camera to download the app
About
Care Guide
Care FAQ
More Info
Pests & Diseases
Distribution
More About How-Tos
Related Plants
Box elder play
Box elder
Box elder
Box elder
Box elder
Box elder
Box elder
Acer negundo
Also known as: Maple ash, Manitoba maple
Box elder (Acer negundo) is a type of maple tree native to North America, but which is now found throughout the world. It is a hardy, medium-to-large tree that grows quickly and has a relatively short lifespan of up to 60 years. Older trees are prone to storm damage. Box elder wood is relatively flimsy because the tree grows so fast.
Water
Water
Every 1-2 weeks
more
Sunlight
Sunlight
Full sun
more
question

Questions About Box elder

Watering Watering Watering
Pruning Pruning Pruning
Sunlight Sunlight Sunlight
Temperature Temperature Temperature
Fertilizing Fertilizing Fertilizing
What's the best method to water my Box elder?
more
What should I do if I water Box elder too much/too little?
more
How often should I water my Box elder?
more
How much water do I need to give my Box elder?
more
Should I adjust the watering frequency for my Box elder according to different seasons or climates?
more
What should I be careful with when I water my Box elder in different seasons, climates, or during different growing periods?
more
Why is watering my Box elder important?
more
icon
Get tips and tricks for your plants.
Keep your plants happy and healthy with our guide to watering, lighting, feeding and more.
Download the App
close
plant_info

Key Facts About Box elder

Attributes of Box elder

Lifespan
Perennial
Plant Type
Tree
Planting Time
Spring, Early summer, Fall, Early winter
Bloom Time
Spring
Harvest Time
Early fall, Mid fall
Plant Height
10 m to 25 m
Spread
8 m
Leaf Color
Green
Yellow
Flower Size
10 cm to 20 cm
Flower Color
Green
Yellow
Fruit Color
Brown
Green
Gold
Stem Color
Green
Yellow
Brown
Dormancy
Winter dormancy
Leaf type
Deciduous
Ideal Temperature
0 - 35 ℃
Pollinators
Beetles, Wasps, Flies, Wind
Benefits to Pollinating Insects
Adult food, Larval food, Nesting and structure bees
Growth Rate:Rapid
Given its rapid growth rate, during Spring and Summer, the box elder can exhibit remarkable progress in height, leaf production, and bud formation. This speed allows it to quickly colonize areas, sometimes appearing like an opportunistic species. However, the accelerated rate often results in weaker, more susceptible wooded structures.
icon
Gain more valuable plant knowledge
Explore a rich botanical encyclopedia for deeper insights
Download the App

Name story

Boxelder maple
It is often called the boxelder maple. In fact, the name boxelder is actually composed of the genus names, buxus and sambucus, meaning boxwood and elder respectively. As its white wood is very similar to the boxwood plant, and its leaves are similar to most species within the sambucus genus, it is thus called the boxelder maple.

Symbolism

Persistence, warmth, sincerity

Usages

Environmental Protection Value
It has strong resistance to harmful gases.
Garden Use
Box elder is considered a good variety for planting in gardens and yards, and can also be suitable for planting along streets. It has been commonly used as a landscaping tree in suburban neighborhoods for its dense shade, and pairs well with other maples.

Trivia and Interesting Facts

Boxelder and maple trees are very similar. They are green in summer and their leaves turn red in autumn and winter. But there is a saying that can help distinguish the two: "Three-lobed leaf maple and five-leaf boxelder". Those who gather boxelder leaves under the boxelder tree will be lucky.

Scientific Classification of Box elder

icon
Never miss a care task again!
Plant care made easier than ever with our tailor-made smart care reminder.
Download the App
pests

Common Pests & Diseases About Box elder

Common issues for Box elder based on 10 million real cases
Brown spot
Brown spot Brown spot Brown spot
This infection can cause brown spots or patches to appear on the plant.
Solutions: In minor cases of brown spot, there isn’t any need to treat the disease. However, if much of the foliage is affected and defoliation occurs, the plant will benefit from getting rid of the infection. It is recommended to start by applying organic treatment options, working up to the more potent synthetic, chemical fungicides if necessary. Organic options won’t kill the fungus, but will prevent it from spreading. Dissolve ½ teaspoon of baking soda and one teaspoon of liquid soap in a gallon of water. Using a spray bottle, spray on tops and bottoms of leaves until the mixture drips off. Repeat every two weeks until existing spots stop enlarging and new spots no longer appear. Spray a copper-based fungicidal soap on the leaves, coating the top and bottom leaf surfaces. Reapply as directed on the product label. Copper penetrates the leaf surface and prevents germination of spores so the fungus cannot spread. Apply an all-purpose fungicide to the entire plant, following the label instructions carefully.
Learn More About the Brown spot more
Plant dried up
Plant dried up Plant dried up Plant dried up
The entire plant may dry out due to dieback or normal seasonal dormancy.
Solutions: The solution for a dried out plant depends on the cause, so determine the cause before selecting a treatment method. Adjust your watering: Stick your finger in the soil near the roots. If it feels bone dry or overly saturated, you need to adjust your watering frequency accordingly. Prune back dead foliage: Snip off any brown stems and leaves on the plant to make space for new growth. This encourages the roots to send up fresh stems. Move to a proper environment. This may involve decreasing or increasing sun exposure, depending on the species. Decrease fertilizer applications. If you have applied too much fertilizer, you can repot plants with fresh potting soil. Wait. If your plant has dried out as daylight is decreasing, it is entering dormancy. Decrease watering and wait until the plant resumes growth.
Learn More About the Plant dried up more
Scars
Scars Scars Scars
Any light-colored markings that appear on stems but which do not enlarge or multiply are simply scars that have healed.
Solutions: Each source of scarring requires a different approach to help your plant recover. Protect the trunk and leaves from physical damage like scrapes. If pests or disease are the cause of scarring, isolate the plant from others to avoid further spread. Some pests can be removed with organic remedies such as a soft cloth and soapy water solution or diluted isopropyl alcohol spray. Stop sunburn by moving your plant away from direct sunlight and making sure it has the water it needs. Frequent leaf or bud loss may be due to insufficient light or nutrients.
Learn More About the Scars more
Fruit withering
Fruit withering Fruit withering Fruit withering
Fungal infection or normal ripening can cause the fruit to dry out.
Solutions: There are a number of appropriate solutions to control fruit withering: Remove any fruit as soon as it shows any signs of infection. Do not compost. Use a fungicide prior to leaf bud and then as per manufacturers instructions throughout the season.
Learn More About the Fruit withering more
Black spot
Black spot Black spot Black spot
Infection by the black spot pathogen causes black spots or patches to appear on leaves.
Solutions: Some steps to take to address black spot include: Prune away any infected leaves, cleaning the pruners between plants with a 10% bleach solution so that the fungus does not spread to healthy leaves. Don't compost pruned plant parts as the spores can linger in the soil for a long period of time - instead, dispose of them in the trash. Use an approved fungicide such as Trifloxystrobin, Chlorothalonil, Maneb, or Myclobutanil. Use a spreader in the fungicide spray to ensure better coverage.
Learn More About the Black spot more
Underwatering yellow
Underwatering yellow Underwatering yellow Underwatering yellow
A lack of water will cause the leaves to gradually turn yellow starting at the base of the branch while the entire plant appears to wilt.
Solutions: Your plant is very thirsty and needs water promptly. You can revive your plant by giving it water. The easiest technique is to slowly pour water into your plant’s soil so that the whole surface is moistened. If you pour the water too quickly, the water will flow directly through rather than diffusing throughout the soil. If your plant’s pot does not have drainage holes, do not give your plant more than about a third of the pot’s volume of water. If your plant’s pot does have drainage holes, you can add water slowly until the soil is thoroughly moistened and the water flows freely through the pot. If you trim off yellow leaves to improve the plant’s appearance, do not remove more than a third of the plant’s leaves. It may be better to wait until leaves have died and fallen off to remove them.
Learn More About the Underwatering yellow more
icon
Treat and prevent plant diseases.
AI-powered plant doctor helps you diagnose plant problems in seconds.
Download the App
close
Brown spot
plant poor
Brown spot
This infection can cause brown spots or patches to appear on the plant.
Overview
Overview
Discolored spots on the foliage of plants are one of the most common disease problems people observe. These spots are caused by fungal and bacterial diseases, with most infections related to a fungal pathogen.
Brown spot can occurs on all houseplants, flowering ornamentals, vegetable plants, and leaves of trees, bushes, and shrubs. No plants are resistant to it, and the problem is worse in warm, wet environments. It can occur at any point in the life stage as long as leaves are present.
Small brownish spots appear on the foliage and enlarge as the disease progresses. In severe cases, the plant or tree is weakened when the lesions interrupt photosynthesis or cause defoliation.
Symptom Analysis
Symptom Analysis
In most cases, brown spot only affects a small percentage of the whole plant, appearing on a small amount of the leaves. A small infection only puts minor stress on the plant. However, if left untreated and the disease progresses over numerous seasons, it will severely impact the health and productivity of the infected specimen.
  • Sporulation begins (reproduction of the fungal spores), and tiny spots appear on leaves.
  • Placement is often random and scattered as diseases are spread through raindrops.
  • May appear on lower leaves and the interior of the plant where humidity is higher.
  • Brown spots enlarge and grow large enough to touch neighboring spots to form a more prominent blotch.
  • Leaf margins may turn yellow.
  • Tiny black dots (fruiting bodies of the fungi) appear in the dead spots.
  • Blotches grow in size until the entire leaf is brown.
  • The leaf falls off the plant.
Severe Symptoms
  • Partial or complete premature defoliation
  • Reduced growth
  • Increased susceptibility to pests and other diseases
Disease Cause
Disease Cause
Brown spot, or leaf spot, is a common descriptive term given to several diseases affecting the leaves of plants and trees. Around 85% of diseases exhibiting leaf spots are due to fungus or fungus-like organisms. Sometimes brown spot is caused by a bacterial infection, or insect activity with similar symptoms.
When conditions are warm and the leaf surfaces are wet, fungal spores being transported by wind or rain land on the surface and cling to it. They do not rupture the cell walls but grow in the space between the plant plasma membrane and the plant cell wall. As the spores reproduce, they release toxins and enzymes that cause necrotic spots (i.e., dead tissue) on the leaves, allowing the fungi to consume the products released when the cells degrade.
Solutions
Solutions
In minor cases of brown spot, there isn’t any need to treat the disease. However, if much of the foliage is affected and defoliation occurs, the plant will benefit from getting rid of the infection. It is recommended to start by applying organic treatment options, working up to the more potent synthetic, chemical fungicides if necessary.
Organic options won’t kill the fungus, but will prevent it from spreading.
  1. Dissolve ½ teaspoon of baking soda and one teaspoon of liquid soap in a gallon of water. Using a spray bottle, spray on tops and bottoms of leaves until the mixture drips off. Repeat every two weeks until existing spots stop enlarging and new spots no longer appear.
  2. Spray a copper-based fungicidal soap on the leaves, coating the top and bottom leaf surfaces. Reapply as directed on the product label. Copper penetrates the leaf surface and prevents germination of spores so the fungus cannot spread.
  3. Apply an all-purpose fungicide to the entire plant, following the label instructions carefully.
Prevention
Prevention
Like many other diseases, it is easier to prevent brown spot than cure it, and this is done through cultural practices.
  • Clear fall leaves from the ground before winter to minimize places where fungi and bacteria can overwinter.
  • Maintain good air movement between plants through proper plant spacing.
  • Increase air circulation through the center of plants through pruning.
  • Thoroughly clean all pruning tools after working with diseased plants.
  • Never dispose of disease plant material in a compost pile.
  • Avoid overhead watering to keep moisture off of the foliage.
  • Keep plants healthy by providing adequate sunlight, water, and fertilizer.
Continue reading in our app - it's better
A database of 400000+ plants
unlimited guides at your fingertips...
close
Plant dried up
plant poor
Plant dried up
The entire plant may dry out due to dieback or normal seasonal dormancy.
Symptom Analysis
Symptom Analysis
Your plant has dried out and turned brown. It might be starting to wilt, with no noticeable green around the stems and leaves. Touch the leaves, and they may crinkle under your fingers.
Possible causes of a dried out plant include:
  1. Not enough water. A lack of water will lead to dry plant tissue.
  2. Too much water. Watering too much can lead to root rot which makes the plant struggle to take up water. Rotted, mushy roots are a sign of overeating.
  3. Entering dormancy. As perennial plants enter their resting period known as dormancy, their leaves dry out and may fall off. This happens during decreasing day length.
  4. Exposure to herbicides and other toxic substances. If a plant is hit with a large dose herbicide or other toxic chemical, the plant will turn brown.
  5. Too much fertility. An excess of fertilizer can prevent plants from taking up water, leading to drying.
  6. Improper sun exposure. Just like humans, plants can get sunburn by intense, direct light. Plants can also dry out if they don’t receive enough light.
To determine whether the plant is still alive and can be saved, you can:
  1. Bend a stem. If the stem is pliable, the plant is still alive. If the stem breaks, the plant is dead.
  2. Gently scratch the stem with your fingernail for signs of green inside. If your plant is dead, the stem will be brittle and brown throughout.
  3. Cut the stems back a little bit a time for visible green growth. If none of the stems have visible green growth, the plant is dead.
Solutions
Solutions
The solution for a dried out plant depends on the cause, so determine the cause before selecting a treatment method.
  1. Adjust your watering: Stick your finger in the soil near the roots. If it feels bone dry or overly saturated, you need to adjust your watering frequency accordingly.
  2. Prune back dead foliage: Snip off any brown stems and leaves on the plant to make space for new growth. This encourages the roots to send up fresh stems.
  3. Move to a proper environment. This may involve decreasing or increasing sun exposure, depending on the species.
  4. Decrease fertilizer applications. If you have applied too much fertilizer, you can repot plants with fresh potting soil.
  5. Wait. If your plant has dried out as daylight is decreasing, it is entering dormancy. Decrease watering and wait until the plant resumes growth.
Prevention
Prevention
Prevention involves providing your plant with the proper environment.
  1. Provide the proper amount of water. The amount of water depends on a plant’s size, species, and environment. A general rule is to allow soil to dry out between waterings.
  2. Place plants in the proper environment. Provide the proper hours of sun and temperature for your individual plant.
  3. Provide proper fertility. Most plants only need to be fertilized once or twice a year; don’t overapply.
  4. Keep plants free from toxic substances. Keep herbicides and toxic household chemicals away from your plants.
Continue reading in our app - it's better
A database of 400000+ plants
unlimited guides at your fingertips...
close
Scars
plant poor
Scars
Any light-colored markings that appear on stems but which do not enlarge or multiply are simply scars that have healed.
Symptom Analysis
Symptom Analysis
Scars form when the plant repairs wounds. They can be the result of people or pets passing by and scraping the plant. Once the underlying issue is resolved, the plant will heal but a scar may remain.
Pests and pathogens can also cause scarring. Insects may attack the plant for a meal, resulting in extensive scarring when a few invaders turn into an infestation. Diseases such as fungus and bacteria can weaken the plant, causing brown spots, mushy areas, or blisters that lead to scars.
Scars occur on stems when a leaf or bud has been lost and the plant has healed. The harder tissue is like a scab that protects a wound.
On other occasions, scars can signal problems from environmental conditions, such as overexposure to sunlight or heat. It might surprise you to know that plants can suffer from sunburn, even desert dwellers like cactus!
Solutions
Solutions
Each source of scarring requires a different approach to help your plant recover.
  1. Protect the trunk and leaves from physical damage like scrapes.
  2. If pests or disease are the cause of scarring, isolate the plant from others to avoid further spread. Some pests can be removed with organic remedies such as a soft cloth and soapy water solution or diluted isopropyl alcohol spray.
  3. Stop sunburn by moving your plant away from direct sunlight and making sure it has the water it needs.
  4. Frequent leaf or bud loss may be due to insufficient light or nutrients.
Prevention
Prevention
Preventing some sources of scarring is easier than others, but all start with careful attention to your plants once you decide to bring them home.
  1. Review specific guidelines for your plant, including soil drainage, watering, and fertilizer requirements.
  2. Inspect plants before planting and use sterile pots and fresh potting soil or media to limit transfer of fungi or bacteria.
  3. Once established, check your plants regularly for signs of scarring or the presence of pests, as it is better to catch problems as early as possible.
Continue reading in our app - it's better
A database of 400000+ plants
unlimited guides at your fingertips...
close
Fruit withering
plant poor
Fruit withering
Fungal infection or normal ripening can cause the fruit to dry out.
Overview
Overview
Fruit withering is common on many tree fruits, including apples, pears, peaches, cherries, and plums, as well as fruiting shrubs. It is caused by a fungal pathogen and will result in wrinkled and desiccated fruit.
Symptom Analysis
Symptom Analysis
Here are the most common symptoms in the order that they are likely to occur.
  1. Both leaves and blossom on the tips of branches will go brown and wither.
  2. Gray powdery patches will appear on infected leaves and flowers, and this will be most apparent after rain.
  3. Any fruit that does appear will turn wrinkled and fail to develop.
  4. Branch tips begin to die, progressing back to larger branches, causing general deterioration of the tree or plant.
Disease Cause
Disease Cause
The withering is caused by one of two fungal pathogens, one called Monilina laxa and the other called M. fructigen. The spores overwinter on infected plant material and are then spread the following spring by wind, rain, or animal vectors. The problem will start to become noticeable in mid-spring, but will increase in severity as summer progresses and the fungus grows. If not addressed, the disease will intensify and spread to other plants in the vicinity.
Solutions
Solutions
There are a number of appropriate solutions to control fruit withering:
  1. Remove any fruit as soon as it shows any signs of infection. Do not compost.
  2. Use a fungicide prior to leaf bud and then as per manufacturers instructions throughout the season.
Prevention
Prevention
Preventative measures include:
  1. Ensuring adequate spacing between plants or trees.
  2. Staking plants that are prone to tumbling to prevent moisture or humidity build up.
  3. Prune correctly so that there is adequate air movement and remove any dead or diseased branches that may carry spores.
  4. Practice good plant hygiene by removing fallen material and destroying it as soon as possible.
Continue reading in our app - it's better
A database of 400000+ plants
unlimited guides at your fingertips...
close
Black spot
plant poor
Black spot
Infection by the black spot pathogen causes black spots or patches to appear on leaves.
Overview
Overview
Black spot is a fungus that largely attacks leaves on a variety of ornamental plants, leaving them covered in dark spots ringed with yellow, and eventually killing them. The fungus is often simply unsightly, but if it infects the whole plant it can interfere with photosynthesis by killing too many leaves. Because of this, it is important to be aware of the best methods for preventing and treating this diseases should it occur in the garden.
Symptom Analysis
Symptom Analysis
Here are a few of the most common symptoms of black spot:
  • The plant has developed small black spots along the leaves.
  • These spots be small, circular, and clustered together, or they may have a splotchy appearance and take up large portions of the leaves.
  • The fungus may also affect plant canes, where lesions start purple and then turn black.
  • The plant may suffer premature leaf drop.
Though most forms of black spot fungus pose little risk to a plant's overall health, many gardeners find them unsightly. Severe cases can also weaken a plant, so it becomes more susceptible to other pathogens and diseases.
Disease Cause
Disease Cause
Black spot is spread by various types of fungi, which differ slightly depending on whether they are in their sexual or asexual stages.
The fungal spores linger over the winter in fallen leaves and lesions on canes. In the spring, the spores are splashed up onto the leaves, causing infection within seven hours of moisture and when temperatures range between 24 to 29 ℃ with a high relative humidity.
In just two weeks, thousands of additional spores are produced, making it easy for the disease to infect nearby healthy plants as well.
There are several factors that could make a plant more likely to suffer a black spot infection. Here are some of the most common:
  • Exposure to infected plants or mulch (the fungus overwinters on dead leaves)
  • Weakening from physical damage, pest infestation or other infections.
  • Increased periods of wet, humid, warm weather – or exposure to overhead watering
  • Plants growing too close together
Solutions
Solutions
Some steps to take to address black spot include:
  • Prune away any infected leaves, cleaning the pruners between plants with a 10% bleach solution so that the fungus does not spread to healthy leaves.
  • Don't compost pruned plant parts as the spores can linger in the soil for a long period of time - instead, dispose of them in the trash.
  • Use an approved fungicide such as Trifloxystrobin, Chlorothalonil, Maneb, or Myclobutanil.
  • Use a spreader in the fungicide spray to ensure better coverage.
Prevention
Prevention
Here are a few tips to prevent black spot outbreaks.
  • Purchase resistant varieties: Invest in fungus-resistant plant varieties to reduce the chances for black spot diseases.
  • Remove infected plant debris: Fungi can overwinter in contaminated plant debris, so remove all fallen leaves from infected plants as soon as possible.
  • Rake and discard fallen leaves in the fall.
  • Prune regularly.
  • Water carefully: Fungal diseases spread when plants stay in moist conditions and when water droplets splash contaminated soil on plant leaves. Control these factors by only watering infected plants when the top few inches of soil are dry, and by watering at soil level to reduce splashback. Adding a layer of mulch to the soil will also reduce splashing.
  • Grow plants in an open, sunny locations so the foliage dries quickly.
  • Follow spacing guidelines when planting and avoid natural windbreaks for good air circulation.
  • Use chemical control: Regular doses of a fungicide, especially in the spring, can stop an outbreak before it begins.
Continue reading in our app - it's better
A database of 400000+ plants
unlimited guides at your fingertips...
close
Underwatering yellow
plant poor
Underwatering yellow
A lack of water will cause the leaves to gradually turn yellow starting at the base of the branch while the entire plant appears to wilt.
Symptom Analysis
Symptom Analysis
Your plant’s leaves are turning yellow due to underwatering, the oldest leaves turn yellow first. Leaves yellow from the edges towards the middle. Other signs of underwatering include the soil feeling very dry or pulling away from the edge of its pot.
Solutions
Solutions
Your plant is very thirsty and needs water promptly.
  1. You can revive your plant by giving it water. The easiest technique is to slowly pour water into your plant’s soil so that the whole surface is moistened. If you pour the water too quickly, the water will flow directly through rather than diffusing throughout the soil. If your plant’s pot does not have drainage holes, do not give your plant more than about a third of the pot’s volume of water. If your plant’s pot does have drainage holes, you can add water slowly until the soil is thoroughly moistened and the water flows freely through the pot.
  2. If you trim off yellow leaves to improve the plant’s appearance, do not remove more than a third of the plant’s leaves. It may be better to wait until leaves have died and fallen off to remove them.
Prevention
Prevention
  1. When you get a new plant, research its specific watering needs. Set reminders so that you remember to water your plants consistently. Not all plants are the same, so make sure to differentiate all of your plants in your watering schedule.
  2. You may wish to purchase a commercial soil water meter which has a long probe that you place near your plant’s roots. Be sure to check it frequently and water your plant when the soil water meter indicates that it needs watering.
Continue reading in our app - it's better
A database of 400000+ plants
unlimited guides at your fingertips...
distribution

Distribution of Box elder

Habitat of Box elder

Lowland sites along rivers, streams, ponds, seasonally flooded flats
Northern Hemisphere
South Hemisphere

Distribution Map of Box elder

Box elder is native to central and eastern North America, from northern Canada to Guatemala. It grows in lowland forests, edge habitats, and disturbed areas. Box elder has been introduced worldwide and has been listed as invasive in several US states, in addition to many countries in Europe and Oceania.
distribution map
Native
Cultivated
Invasive
Potentially invasive
Exotic
No species reported
plant_info

Plants Related to Box elder

product icon close
Your Ultimate Guide to Plants
Identify grow and nurture the better way!
product icon
17,000 local species +400,000 global species studied
product icon
Nearly 5 years of research
product icon
80+ scholars in botany and gardening
ad
product icon close
Continue reading in our app - it's better
A database of 400000+ plants
unlimited guides at your fingertips...
Water
close
Box Elder Watering Instructions
Box elder originates from regions within North America, with a predilection for riparian zones, meaning it thrives in environments with high moisture and frequent flood regimes. This translates to a need for ample water in cultivation, reflecting the naturally humid climate and periodic excessive soil hydration of its endemic locales. The plant's inherent need for heightened water sustains its rapid growth rate and adapts it to similar habitats beyond its original territories.
When Should I Water My Box Elder?
Introduction
Proper and timely watering plays a crucial role in maintaining the overall health and development of the box elder. It contributes to its optimal growth, vibrant foliage, and resistance against diseases. Therefore, understanding the appropriate signals indicating when the plant should be watered is essential.
Soil Moisture
The moisture level of the soil is a clear sign of when box elder needs water. Check the moisture by inserting a finger or a moisture meter into the soil. If the top 1 to 2 inches of soil is dry, it is an indication that the plant requires watering.
Wilting Leaves
If the leaves of box elder appear wilted, droopy, or lackluster, it is a sign of under-watering. The leaves may become soft and prone to damage. Watering the plant promptly can help revive the leaves.
Crispy Leaves
When the leaves of box elder become crispy, dry, and easily breakable, it indicates severe dehydration. This is a clear sign that the plant requires immediate watering.
Leaf Curling
If the leaves of box elder start to curl inward or show signs of curling at the edges, it could indicate water stress. Watering the plant adequately can help alleviate this condition.
Leaf Color Change
A change in leaf color can signal the need for water. If the leaves start to turn yellow, especially from the tips or edges, it suggests under-watering. On the other hand, if the leaves become a deep green color, it could be a sign of over-watering.
Dry or Cracked Soil Surface
A dry or cracked soil surface is a reliable indicator that box elder needs water. The soil should be consistently moist but not saturated.
Shriveled or Drooping Stems
Stems that appear shriveled, wrinkled, or drooping indicate water deficiency in box elder. Providing an adequate amount of water can restore the turgidity of the stems.
Risk of Overwatering
Watering box elder too early or too frequently, especially when the soil is already moist, can lead to root rot, fungal growth, and other root diseases. It is important to avoid over-watering to prevent these issues.
Risk of Underwatering
Neglecting to water box elder when it is in dire need can result in temporary wilting, stunted growth, and potential dehydration leading to the death of the plant. Regular monitoring and timely watering are essential to prevent under-watering.
Conclusion
Understanding these signs is critical to effectively manage the watering schedule for the box elder. Proper water management not only encourages its growth and health but also ensures its longevity.
How Should I Water My Box Elder?
Plant Sensitivity
Box elder is a resilient plant, but too much direct watering can lead to root rot and fungal growth. Therefore, special focus should be on providing an even water distribution without over-saturating the soil.
Optimal Watering Technique
Drip irrigation is best for this plant as it ensures the water reaches the root zone of box elder slowly, and wastage of water due to runoff, evaporation, and shallow surface absorption is minimized. Boolean hard hose and soaker hoses work well for drip irrigation.
Special Watering Equipment
To ensure optimal watering of box elder, a soil moisture meter is a beneficial tool. This can assist to monitor the moistness level in soil, helping to avoid overwatering or underwatering.
Areas to Focus on During Watering
Water should be mainly targeted towards the base of box elder, as this is where the roots are. The aim is to maintain an evenly moist root zone. Therefore, avoid watering the foliage greatly to reduce the risk of disease and leaf scorch.
Useful Advice
To avoid overwatering, one might also consider the use of a mulching method which helps retain soil moisture and reduce evaporation rate. This will ensure the root zone of box elder remains moist for a longer period.
How Much Water Does Box Elder Really Need?
Introduction
Box elder's hydration needs are primarily shaped by its natural habitat. This deciduous plant is often found in moist environments such as wetlands, riverbanks and floodplains, setting the stage for its preference for consistent, adequate watering.
Optimal Water Quantity
Given the depth and spread of its roots, box elder requires a well-soaked soil environment. Factors like pot size, root depth and plant size can influence the actual volume of water needed. For instance, if box elder is planted in a smaller pot, the watering requirements will be less than if it is planted in a large garden area. A mature box elder, with its extended root system, will require a thorough soaking to ensure water reaches the bottom. Always remember to adjust your watering as per the plant’s stage of growth and container size.
H2O Indicators
The signs that box elder has received the right amount of water usually includes lush green leaves and vigorous growth. However, if the edges of the leaves turn brown or the leaves appear to wilt, this may be an indicator of under-watering. Overwatering, on the other hand, can lead to yellowing leaves and a general decline in the plant's health.
Implications
Overwatering and under watering both can be problematic for box elder. While too much water can lead to root rot and other fungal diseases, too little can cause the plant to dry out, stunt its growth and possibly lead to its demise.
How Often Should I Water Box Elder?
Every 1-2 weeks
Watering Frequency
Smart Seasonal Watering
Install the app for seasonal watering guidance
Download the App
Just like people, each plant has its own preferences and needs. Devote time to understanding your plants so you can nurture them properly. Observe your plants attentively, learning from their growth patterns, and becoming more in tune with their needs as you grow together. Keep a watchful eye on new plants and seedlings, as they are sensitive to both overwatering and underwatering. Shower them with gentle love and attention, fostering their growth and strength. Let the rhythm of your local climate guide your watering habits, adapting your schedule to the changing weather and the needs of your plants.
What Kind of Water is Best for Box Elder?
Water Type Guide for box elder
Water Sensitivity: Moderate - box elder prefers well-draining soil and should not be overly saturated with water.
Water Types
Distilled Water: Best suited for box elder as it is pure and free from minerals and contaminants. Rainwater: A natural source of water that is beneficial for box elder. It is free of chemicals and has a balanced pH level. Tap Water: Can be used for box elder, but it may contain chlorine and other harmful chemicals. Filtered Water: A suitable alternative to tap water if it removes chlorine and contaminants effectively.
Contaminant Sensitivity
Chlorine Sensitivity: High box elder is sensitive to chlorine in tap water, which can cause leaf burn and overall stress to the plant. Fluoride Sensitivity: Moderate High levels of fluoride can be toxic to box elder and should be avoided. Minerals Sensitivity: Moderate box elder can be sensitive to high levels of certain minerals in water, such as sodium or boron.
Water Treatments
Dechlorination: It is recommended to let tap water sit out for at least 24 hours before using it on box elder. This allows the chlorine to evaporate and makes it safer for the plant. Water Filtering: Using a water filter that removes chlorine and other contaminants can benefit box elder if tap water is the only option.
Water Temperature Preferences
Moderate - box elder generally prefers water at room temperature (around 68-72°F or 20-22°C). Avoid using water that is too cold or too hot, as extreme temperatures can shock the plant.
How Do Box Elder's Watering Needs Change with the Seasons?
How to Water box elder in Spring?
During spring, box elder enters an active growth period, necessitating ample hydration. Regular rainfall typically provides adequate moisture, but during unusually dry spells, provide supplemental watering to maintain soil moisture. Overwatering should be avoided as it can cause root rot.
How to Water box elder in Summer?
In summer, box elder still experiences active growth, and with higher temperatures and decreased rainfall, the soil dries out faster. Pay attention to soil conditions; when it feels dry to touch, water the plant deeply, but avoid over-watering. Water early in the morning or late evening to minimize evaporation.
How to Water box elder in Autumn?
As box elder retreats into dormancy in autumn, watering requirements reduce. Less frequent watering is advised to encourage the plant to strengthen and prepare for winter. However, be attentive to arid or dehydrating weather conditions and water accordingly.
How to Water box elder in Winter?
Box elder requires minimal water in winter as it is dormant. Water sparingly only to keep the roots from drying entirely. Be cautious of waterlogged soil or standing water, since the cold weather reduces soil drainage and increases the risk of root rot.
What Expert Tips Can Enhance Box Elder Watering Routine?
Moisture Meter
Using a moisture meter can help assess box elder's deeper soil moisture needs and prevent over or under-watering. This plant prefers its soil to be mostly dry before the next watering, and a meter can effectively measure this.
Watering Time
Watering box elder early in the morning allows the water to penetrate the soil thoroughly before the high evaporation rates of mid-day. It also helps prevent fungal diseases by minimizing the plant's exposure to dampness.
Common Misconception
One common misconception is that box elder requires constant watering due to its fast growth rate. However, this can lead to waterlogged soil and root rot. It's important to let the top inch of soil dry out before watering again.
Considering Hydroponics? How to Manage a Water-Grown Box Elder?
Overview of Hydroponics
Box elder can be successfully grown using hydroponics, which is a method of growing plants without soil. This method allows for precise control of nutrient and water levels, resulting in healthier and more productive plants.
Best Hydroponic System for box elder
For growing box elder hydroponically, a deep water culture (DWC) system is recommended. This system involves suspending the plant's roots in a nutrient-rich water solution, ensuring constant access to oxygen through airstones or bubblers.
Nutrient Solution Requirements
Box elder requires a nutrient solution with an EC (electrical conductivity) level of 1.2-1.8 mS/cm and a pH level between 5.8-6.2. The nutrient solution should be changed completely every 2-3 weeks to prevent nutrient imbalances.
Common Challenges in Hydroponic Cultivation of box elder
Root rot can be a common issue when growing box elder hydroponically. To prevent this, ensure proper aeration and oxygenation of the nutrient solution. Additionally, monitoring and adjusting nutrient levels regularly can help prevent nutrient imbalances.
Monitoring box elder's Health in Hydroponics
In a hydroponic setup, monitor box elder's health by checking for any signs of stress, such as wilting or yellowing leaves. It's important to regularly measure pH and EC levels of the nutrient solution to ensure they are within the optimal range.
Hydroponic Environment Adjustments for box elder
Adjust the hydroponic environment based on box elder's growth stages. During the vegetative stage, provide higher nitrogen levels in the nutrient solution. As box elder enters the flowering stage, shift to a higher phosphorus and potassium ratio for better flower development.
Nutrient Solution
Box elder prefers a balanced nutrient solution with a pH of 5.8-6.2 for optimal growth.
Important Symptoms
Overwatering Symptoms of Box elder
Box elder is more susceptible to developing disease symptoms when overwatered because it prefers a soil environment with moderate humidity. Symptoms of overwatering include yellowing leaves, root rot, leaf drop...
View more
(Symptom details and solutions)
Yellowing leaves
When plants receive too much water, the roots become oxygen deprived and the bottom leaves of the plant gradually turn yellow.
Root rot
Excess water in the soil can lead to the growth of harmful fungi and bacteria, causing the roots to rot and eventually kill the plant.
Leaf drop
When plants are overwatered, they may shed their leaves as a response to stress, even if the leaves appear green and healthy.
Mold and mildew
Overwatered plants create a damp environment that can encourage the growth of mold and mildew on soil.
Increased susceptibility diseases
Overwatering plants may become more susceptible and diseases as their overall health declines, weakening their natural defenses.
Solutions
1. Adjust watering frequency based on seasons and soil dryness. Wait for soil to dry before watering.2. Increase soil aeration by loosening surface and gently stirring with a wooden stick or chopstick.3. Optimize environment with good ventilation and warmth to enhance water evaporation and prevent overwatering.
Underwatering Symptoms of Box elder
Box elder is more susceptible to plant health issues when lacking watering, as it can only tolerate short periods of drought. Symptoms of dehydration include wilting, yellowing leaves, leaf drop...
View more
(Symptom details and solutions)
Wilting
Due to the dry soil and insufficient water absorption by the roots, the leaves of the plant will appear limp, droopy, and lose vitality.
Root damage
Prolonged underwatering can cause root damage, making it difficult for the plant to absorb water even when it is available.
Dry stems
Due to insufficient water, plant stems may become dry or brittle, making the branches easy to break.
Dying plant
If underwatering continues for an extended period, the plant may ultimately die as a result of severe water stress and an inability to carry out essential functions.
Solutions
1. Thoroughly saturate soil with slow ring watering to ensure uniform and sufficient moisture for plants. 2. Increase air humidity with water trays or misting to slow leaf water evaporation. 3. Watering according to the recommended frequency.Adjust watering frequency based on seasons and soil dryness.
Watering Troubleshooting for Box Elder
Why are the leaves of my box elder turning yellow?
Yellowing leaves on your box elder can be a symptom of overwatering or poor drainage. To rectify this, reduce your watering frequency and ensure the plant is in well-draining soil or a pot with adequate drainage holes. It may also be a good idea to test the soil for moisture levels before watering. If the top inch of soil is dry, it's typically a good time to water the box elder.
The leaves on my box elder are drying out and curling at the edges despite regular watering. What could be the problem?
Even though you're watering regularly, it could be that you're underwatering the box elder or the plant is receiving too much sun. Acer negundo prefers consistent moisture in the soil, but it must never be left soggy or waterlogged. Water deeply but infrequently until the soil is thoroughly moist. Check your watering intervals and adjust where needed. Also, provide some shade to the plant if it seems to be suffering from excessive sun exposure.
Why is my box elder showing signs of rot at the base and drooping leaves?
This can be a sign of overwatering leading to root rot. Overwatering can lead to soggy soil and poor aeration, which in turn can cause the roots to suffocate and rot. The solution is to adjust your watering schedule, providing water only when necessary. Also, ensure the plant has good drainage to prevent water logging. If the rot is extensive, you might need to replace the soil and prune any affected roots.
The leaves of my box elder tree have brown spots. What might be the cause and solution?
Brown spots on the leaves can be an indication of a fungal infection often precipitated by overwatering. Acer negundo prefers moist but well-drained soil. Overwatering can create an environment conducive to fungus growth. Reduce your watering frequency and only water when necessary. You might also need to use a suitable fungicide to stop the spread of the fungus.
The leaves of my box elder are falling off prematurely. Could this be related to watering?
Yes, premature leaf drop is often a reaction to stress, which can be caused by both overwatering and underwatering. Too much water can lead to root rot, and too little can lead to dehydration. It's important to keep the soil of the box elder consistently moist, but not waterlogged. Drastically change your watering routine, ensure the plant's drainage is functioning properly, and it should make a recovery.
Discover information about plant diseases, toxicity, weed control and more.
Lighting
close
Indoor
Indoor
Outdoor
Choose a site here for personalized care tips.
Requirements
Full sun
Ideal
Above 6 hours sunlight
Partial sun
Tolerance
About 3-6 hours sunlight
Watch how sunlight gracefully moves through your garden, and choose spots that provide the perfect balance of light and shade for your plants, ensuring their happiness.
Essentials
In its native ever-changing landscapes, box elder adapts to abundant sunlight exposure for optimal growth. Despite this preference, it tolerates lesser light conditions, yet it might compromise its health and vigor. Insufficient light could lead to slower growth, while excessive exposure may cause some harm.
Preferred
Tolerable
Unsuitable
icon
Know the light your plants really get.
Find the best spots for them to optimize their health, simply using your phone.
Download the App
Artificial lighting
Indoor plants require adequate lighting for optimal growth. When natural sunlight is insufficient, particularly in winter or in less sunny spaces, artificial lights offer a vital solution, promoting faster, healthier growth.
View more
Indoor plants require adequate lighting for optimal growth. When natural sunlight is insufficient, particularly in winter or in less sunny spaces, artificial lights offer a vital solution, promoting faster, healthier growth.
1. Choose the right type of artificial light: LED lights are a popular choice for indoor plant lighting because they can be customized to provide the specific wavelengths of light that your plants need.
Full sun plants need 30-50W/sq ft of artificial light, partial sun plants need 20-30W/sq ft, and full shade plants need 10-20W/sq ft.
2. Determine the appropriate distance: Place the light source 12-36 inches above the plant to mimic natural sunlight.
3. Determine the duration: Mimic the length of natural daylight hours for your plant species. most plants need 8-12 hours of light per day.
Important Symptoms
Symptoms of Insufficient Light in %s
Box elder thrives in full sunlight but is sensitive to heat. As a plant commonly grown outdoors with abundant sunlight, it may exhibit subtle symptoms of light deficiency when placed in rooms with suboptimal lighting.
View more
(Symptom details and solutions)
Small leaves
New leaves may grow smaller in size compared to the previous ones once they have matured.
Leggy or sparse growth
The spaces between leaves or stems of your box elder may become longer, resulting in a thin and stretched-out appearance. This can make the plant look sparse and weak, and it may easily break or lean due to its own weight.
Faster leaf drop
When plants are exposed to low light conditions, they tend to shed older leaves early to conserve resources. Within a limited time, these resources can be utilized to grow new leaves until the plant's energy reserves are depleted.
Slower or no new growth
Box elder enters a survival mode when light conditions are poor, which leads to a halt in leaf production. As a result, the plant's growth becomes delayed or stops altogether.
Lighter-colored new leaves
Insufficient sunlight can cause leaves to develop irregular color patterns or appear pale. This indicates a lack of chlorophyll and essential nutrients.
Solutions
1. To ensure optimal growth, gradually move plants to a sunnier location each week, until they receive at least 6 hours of direct sunlight daily. Use a south-facing window and keep curtains open during the day for maximum sunlight exposure and nutrient accumulation.2. To provide additional light for your plant, consider using artificial light if it's large or not easily movable. Keep a desk or ceiling lamp on for at least 8 hours daily, or invest in professional plant grow lights for ample light.
Symptoms of Excessive light in %s
Box elder thrives in full sun exposure but is sensitive to heat. Although sunburn symptoms occasionally occur, they are unable to withstand intense sunlight in high-temperature environments.
View more
(Symptom details and solutions)
Chlorosis
Chlorosis is a condition where the plant's leaves lose their green color and turn yellow. This is due to the breakdown of chlorophyll from excessive sunlight, which negatively affects the plant's ability to photosynthesize.
Sunscald
Sunscald occurs when the plant's leaves or stems are damaged by intense sunlight exposure. It appears as pale, bleached, or necrotic areas on the plant tissue and can reduce the plant's overall health.
Leaf Curling
Leaf curling is a symptom where leaves curl or twist under extreme sunlight conditions. This is a defense mechanism used by the plant to reduce its surface area exposed to sunlight, minimizing water loss and damage.
Wilting
Wilting occurs when a plant loses turgor pressure and its leaves and stems begin to droop. Overexposure to sunlight can cause wilting by increasing the plant's water loss through transpiration, making it difficult for the plant to maintain adequate hydration.
Leaf Scorching
Leaf scorching is a symptom characterized by the appearance of brown, dry, and crispy edges or patches on leaves due to excessive sunlight. This can lead to a reduction in photosynthetic capacity and overall plant health.
Solutions
1. Move your plant to the optimal position where it can receive abundant sunlight but also have some shade. An east-facing window is an ideal choice as the morning sunlight is gentler. This way, your plant can enjoy ample sunlight while reducing the risk of sunburn.2. It is recommended to trim off any completely dehydrated or withered parts of the plant.
Discover information about plant diseases, toxicity, weed control and more.
Temperature
close
Indoor
Indoor
Outdoor
Choose a site here for personalized care tips.
Requirements
Ideal
Tolerable
Unsuitable
Just like people, each plant has its own preferences. Learn about your plants' temperature needs and create a comforting environment for them to flourish. As you care for your plants, your bond with them will deepen. Trust your intuition as you learn about their temperature needs, celebrating the journey you share. Lovingly monitor the temperature around your plants and adjust their environment as needed. A thermometer can be your ally in this heartfelt endeavor. Be patient and gentle with yourself as you explore your plants' temperature needs. Cherish your successes, learn from challenges, and nurture your garden with love, creating a haven that reflects the warmth of your care.
Essentials
The box elder prefers a temperature range of 32 to 95 ℉ (0 to 35 ℃). It grows naturally in temperate climates and can adapt well to different temperature extremes, making it a hardy tree suitable for urban and suburban areas. In winter, the tree can withstand freezing temperatures, but it may require protection from extreme cold snaps.
Regional wintering strategies
Box elder has strong cold resistance, so special frost protection measures are usually not necessary during winter. However, if the winter temperatures are expected to drop below {Limit_growth_temperature}, it is still important to provide cold protection. This can be achieved by wrapping the trunk and branches with materials such as non-woven fabric or cloth. Before the first freeze in autumn, it is recommended to water the plant abundantly, ensuring the soil remains moist and enters a frozen state. This helps prevent drought and water scarcity for the plant during winter and early spring.
Important Symptoms
Symptoms of Low Temperature in %s
Box elder is cold-tolerant and thrives best when the temperature is above {Suitable_growth_temperature_min}. During winter, it should be kept above {Tolerable_growing_temperature_min}. When the temperature falls below {Limit_growth_temperature}, although there may not be any noticeable changes during winter, the branches may become brittle and dry during springtime, and no new shoots will emerge.
Solutions
In spring, prune away any dead branches that have failed to produce new leaves.
Symptoms of High Temperature in %s
During summer, Box elder should be kept below {Suitable_growth_temperature_max}. When the temperature exceeds {Tolerable_growing_temperature_max}, the leaves of the plant may become lighter in color, the tips may become dry and withered, and the plant becomes more susceptible to sunburn.
Solutions
Trim away the sunburned and dried-up parts. Move the plant to a location that provides shade from the midday and afternoon sun, or use a shade cloth to create shade. Water the plant in the morning and evening to keep the soil moist.
Discover information about plant diseases, toxicity, weed control and more.
Transplant
close
How to Successfully Transplant Box Elder?
For box elder, the ideal transplanting time is during late spring to midsummer when they experience active growth. Choose a location with well-drained soil and partial shade. Gently loosen the roots before transplanting and water well to encourage strong, healthy growth.
What Preparations are Needed Before Transplanting Box Elder?
What is the Ideal Time for Transplanting Box Elder?
The best time to transplant box elder is during the temperate days of late spring to mid-summer. This allows the plant to establish strong roots before winter, providing optimal growth and health.
How Much Space Should You Leave Between Box Elder Plants?
For box elder transplanting, maintain a spacing of 30-50 feet (9-15 meters) apart. This will ensure proper growth and prevent overcrowding, giving each plant ample room to spread out and develop properly.
What is the Best Soil Mix for Box Elder Transplanting?
When transplanting box elder, choose a well-draining soil mixed with organic matter. Add a base fertilizer, like balanced slow-release granular fertilizer or compost, to provide essential nutrients and boost the plant's growth.
Where Should You Relocate Your Box Elder?
Choose a location with full sun to partial shade conditions for your box elder. This means at least 4-6 hours of sunlight per day. Make sure the area has ample access to sunlight and suitable protection from strong winds.
What Equipments Should You Prepare Before Transplantation Box Elder?
Gardening Gloves
To protect your hands while working with the soil and plant.
Shovel or Spade
For digging the planting hole and removing the box elder plant from its original location.
Watering Can or Hose
To water the plant before and after transplanting.
Pruning Shears
For any necessary trimming or pruning.
Trowel
For transplanting smaller box elder plants or seedlings.
Wheelbarrow or Tarp
For transporting the plant, if necessary.
Soil
To fill in any gaps around the plant's root ball.
Mulch
To help retain moisture and protect the box elder plant's roots.
How Do You Remove Box Elder from the Soil?
- From Ground: First, water the box elder plant to dampen the soil. Then, dig a wide trench around the plant using a shovel or spade, ensuring the plant's root ball remains intact. Carefully work the spade under the root ball to lift the plant from its original location.
- From Pot: Water the box elder plant in its pot to moisten the soil. Tip the pot on its side and gently tap to loosen the plant's root ball. Carefully slide the plant out while supporting the base of the stem.
- From Seedling Tray: Water the tray to moisten the soil. Gently grasp the box elder seedling by its leaf and wiggle it slightly until it comes free, being careful not to tug or damage the roots.
Step-by-Step Guide for Transplanting Box Elder
Digging the Hole
Dig a hole twice as wide and just as deep as the box elder plant's root ball. Loosen the soil at the bottom of the hole for better root penetration.
Preparing the Plant
If necessary, trim any damaged or dead branches and roots with pruning shears. Place the box elder plant into the planting hole, ensuring it is level and positioned at the same depth as it was in its previous location.
Filling in the Hole
Hold the box elder plant upright and fill the hole back in with soil, gently pressing it around the root ball to eliminate air pockets.
Watering
Thoroughly water the plant to help settle the soil around the root ball and encourage root establishment.
Mulching
Apply a 2-4 inch layer of mulch around the base of the box elder plant, keeping it several inches away from the trunk to avoid rot.
How Do You Care For Box Elder After Transplanting?
Watering
Keep the soil around the box elder consistently moist, but not soggy, for the first few weeks after transplanting to help establish strong roots.
Pruning
Lightly prune the box elder plant during its first year to encourage healthy growth and a balanced shape.
Pest Control
Regularly inspect the box elder plant for any signs of pests or disease, and address any issues promptly.
Seasonal Care
In cold climates, protect the box elder plant's roots with a layer of mulch before winter.
Fertilization
Wait a few months after transplanting before applying any fertilizer to avoid over-fertilizing and stressing the box elder plant.
Troubleshooting Common Issues with Box Elder Transplantation.
When is the best time to transplant box elder?
The ideal time to transplant box elder is from late spring to midsummer, ensuring optimal growth conditions.
What is the proper spacing for transplanting box elder?
When transplanting box elder, allow a spacing of 30-50 feet (9-15 meters) apart to give them room to grow.
How deep should I dig the hole for box elder transplant?
Dig a hole about 2-3 times wider and equal to the depth of the root ball. This allows roots to spread easily.
What soil type works best for transplanting box elder?
Box elder is adaptable to various soil types, but well-drained, loamy or sandy soil with moderate fertility is ideal.
Should I water box elder after transplanting?
Yes, give box elder a deep watering after transplanting to help settle the soil and reduce transplant shock.
Do I need to stake box elder after transplanting?
Staking might be necessary for young or unstable trees. Use flexible ties to attach the trunk to the stake.
How much sunlight does box elder need after transplant?
Box elder grows best in full sun to partial shade. Ensure your planting site receives at least 4-6 hours of sunlight.
What can I do to reduce transplant shock in box elder?
Reduce transplant shock by watering well, providing appropriate sunlight, and avoiding unnecessary root disturbance.
Do I need to fertilize box elder after transplanting?
Yes, wait 4-6 weeks after transplanting and then apply a slow-release fertilizer to encourage healthy growth.
When is the first pruning needed for transplanted box elder?
The first pruning is needed after one growing season, to remove any dead, damaged, or poorly positioned branches.
Discover information about plant diseases, toxicity, weed control and more.
Cookie Management Tool
In addition to managing cookies through your browser or device, you can change your cookie settings below.
Necessary Cookies
Necessary cookies enable core functionality. The website cannot function properly without these cookies, and can only be disabled by changing your browser preferences.
Analytical Cookies
Analytical cookies help us to improve our application/website by collecting and reporting information on its usage.
Cookie Name Source Purpose Lifespan
_ga Google Analytics These cookies are set because of our use of Google Analytics. They are used to collect information about your use of our application/website. The cookies collect specific information, such as your IP address, data related to your device and other information about your use of the application/website. Please note that the data processing is essentially carried out by Google LLC and Google may use your data collected by the cookies for own purposes, e.g. profiling and will combine it with other data such as your Google Account. For more information about how Google processes your data and Google’s approach to privacy as well as implemented safeguards for your data, please see here. 1 Year
_pta PictureThis Analytics We use these cookies to collect information about how you use our site, monitor site performance, and improve our site performance, our services, and your experience. 1 Year
Cookie Name
_ga
Source
Google Analytics
Purpose
These cookies are set because of our use of Google Analytics. They are used to collect information about your use of our application/website. The cookies collect specific information, such as your IP address, data related to your device and other information about your use of the application/website. Please note that the data processing is essentially carried out by Google LLC and Google may use your data collected by the cookies for own purposes, e.g. profiling and will combine it with other data such as your Google Account. For more information about how Google processes your data and Google’s approach to privacy as well as implemented safeguards for your data, please see here.
Lifespan
1 Year

Cookie Name
_pta
Source
PictureThis Analytics
Purpose
We use these cookies to collect information about how you use our site, monitor site performance, and improve our site performance, our services, and your experience.
Lifespan
1 Year
Marketing Cookies
Marketing cookies are used by advertising companies to serve ads that are relevant to your interests.
Cookie Name Source Purpose Lifespan
_fbp Facebook Pixel A conversion pixel tracking that we use for retargeting campaigns. Learn more here. 1 Year
_adj Adjust This cookie provides mobile analytics and attribution services that enable us to measure and analyze the effectiveness of marketing campaigns, certain events and actions within the Application. Learn more here. 1 Year
Cookie Name
_fbp
Source
Facebook Pixel
Purpose
A conversion pixel tracking that we use for retargeting campaigns. Learn more here.
Lifespan
1 Year

Cookie Name
_adj
Source
Adjust
Purpose
This cookie provides mobile analytics and attribution services that enable us to measure and analyze the effectiveness of marketing campaigns, certain events and actions within the Application. Learn more here.
Lifespan
1 Year
This page looks better in the app
Open