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Rose spirea
Rose spirea
Rose spirea
Rose spirea
Rose spirea
Rose spirea
Rose spirea
Spiraea douglasii
Also known as : Douglas' spirea, Western spirea, Hardhack steeplebush
Hardiness Zones
Hardiness Zones
5 to 8
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care guide

Care Guide for Rose spirea

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Watering Care
Watering Care
Details on Watering Care Watering Care
Fertilizing Care
Fertilizing Care
Details on Fertilizing Care Fertilizing Care
Pruning
Pruning
Deadhead (or remove) withered flowers after flowering.
Details on Pruning Pruning
Soil Care
Soil Care
Chalky, Clay, Acidic, Neutral, Alkaline
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Ideal Lighting
Ideal Lighting
Partial sun, Full sun
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Rose spirea
Water
Water
Every week
Sunlight
Sunlight
Partial sun
Hardiness Zones
Hardiness Zones
5 to 8
question

Questions About Rose spirea

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Watering Watering Watering
Pruning Pruning Pruning
Sunlight Sunlight Sunlight
Temperature Temperature Temperature
Fertilizing Fertilizing Fertilizing
What's the best method to water my Rose spirea?
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 Rose spirea prefers deep watering over light sprinkling.
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What should I do if I water Rose spirea too much/too little?
An overwatered Rose spirea 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 Rose spirea 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 Rose spirea 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 Rose spirea 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.
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How often should I water my Rose spirea?
The Rose spirea 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.Rose spirea 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.
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How much water do I need to give my Rose spirea?
The Rose spirea 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 Rose spirea is planted outdoor with adequate rainfall, it may not need additional watering. When Rose spirea is young or newly planted, make sure it gets 1-2 inches of rain per week. As Rose spirea 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 Rose spirea 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.
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Should I adjust the watering frequency for my Rose spirea according to different seasons or climates?
The Rose spirea 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 Rose spirea 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 Rose spirea will need less water during the winter. Since the Rose spirea 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 Rose spirea growing outdoors begins to leaf out and go dormant, you can skip watering altogether and in most cases Rose spirea can rely on the fall and winter rains to survive the entire dormant period. After the spring, you can cultivate your Rose spirea 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 Rose spirea’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 Rose spirea’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.
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What should I be careful with when I water my Rose spirea in different seasons, climates, or during different growing periods?
If planting in the ground, Rose spirea 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 Rose spirea 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 Rose spirea 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.
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Why is watering my Rose spirea important?
Watering the Rose spirea 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 Rose spirea 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.
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Key Facts About Rose spirea

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Attributes of Rose spirea

Lifespan
Perennial
Plant Type
Shrub
Planting Time
Summer, Spring, Fall
Bloom Time
Mid spring, Late spring, Early summer, Mid summer
Harvest Time
Summer, Fall
Plant Height
1 m to 2 m
Spread
90 cm to 1.8 m
Leaf Color
Green
Flower Size
1 mm to 2 mm
Flower Color
Pink
Purple
Fruit Color
Black
Purple
Blue
Stem Color
Green
Purple
Brown
Pink
Dormancy
Winter dormancy
Leaf type
Deciduous
Ideal Temperature
5 - 32 ℃
Growth Season
Spring, Summer
Pollinators
Beetles, Wasps, Flies, Butterflies
Benefits to Pollinating Insects
Adult food, Larval food
Growth Rate:Moderate
Due to its moderate growth rate, rose spirea displays a steady development during spring and summer. With the seasons' warming temperatures, rose spirea witnesses a consistent increment in height, leaf production, and flowering. This continuous growth allows rose spirea to gradually reach its mature form while being adaptable to various environmental conditions. Interestingly, rose spirea's moderate growth is not uniform across all seasons, with slower progress noticeable during colder months.

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Usages

Garden Use

Scientific Classification of Rose spirea

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pests

Common Pests & Diseases About Rose spirea

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Common issues for Rose spirea based on 10 million real cases
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Caterpillar
The 'Caterpillar' disease considerably affects the growth and aesthetics of 'Rose spirea', leading to defoliation and weakened plants. This issue often results in reduced growth vigor and can make the plant more susceptible to other stresses.
Flower withering
Flower withering Flower withering
Flower withering
Flowers may dry out due to a sudden change in environment or because the plant has completed its normal flowering period.
Solutions: If flower withering is a natural progression due to age, there is nothing that can be done to slow or stop the process. Once hormones within the plant begin the process of senescence, it’s irreversible. For lack of water, immediately water the plant using room temperature rainwater, bottled spring water, or filtered tap water. Water container plants until excess water drains out the bottom; water in-ground plants until the soil is soaked but there isn’t standing water on the surface. In the event of nutritional deficiencies, the best solution is to use a granular or water-soluble liquid fertilizer, and apply it to the soil at about half the recommended dosage. Keep it off the leaves and make sure granular products are watered into the soil well. If the plant is infected with a bacterial or fungal pathogen, there is no course of treatment that cures the diseased plants. The best solution is to remove the infected plants and dispose of the plant material off-site. Do not put in a compost pile.
Leaf beetles
Leaf beetles Leaf beetles
Leaf beetles
Leaf beetles are a class of colored insects 1 to 2 cm in size. They gnaw on leaves and petals resulting in small, round holes scattered over the surface.
Solutions: For less serious cases: Remove beetles, nymphs, and eggs. Remove all life stages of the beetles and kill them by placing them in a bucket of warm, soapy water. This can be done more easily by placing the bucket under affected leaves and shaking the plant. This method is most effective in the afternoon when leaf beetles are more active. Always dispose of insects in a sealed bag or container to avoid escape and spread. To treat more serious infestations: Apply organic insecticides. Use naturally-derived insecticides before moving on to synthetic insecticides. Neem oil and pyrethrum are naturally-derived insecticides that should be applied following label instructions. Apply synthetic insecticides. Examples of insecticides effective for leaf beetles include carbaryl, permethrin, and bifenthrin. Apply insecticides according to label instructions.
Aged yellow and dry
Aged yellow and dry Aged yellow and dry
Aged yellow and dry
Natural aging can cause leaves to turn yellow and dry out.
Solutions: If the yellowing and drying of leaves and flowers is a natural progression due to age, nothing can be done to slow or stop the process. Once hormones within the plant begin the process of senescence, it’s irreversible.
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plant poor
Caterpillar
Overview
Symptom
Causes
Treatment
Prevention
Active Period
What is Caterpillar Disease on Rose spirea?
What is Caterpillar Disease on Rose spirea?
The 'Caterpillar' disease considerably affects the growth and aesthetics of 'Rose spirea', leading to defoliation and weakened plants. This issue often results in reduced growth vigor and can make the plant more susceptible to other stresses.
Symptom Analysis
Symptom Analysis
On 'Rose spirea', the main symptoms include chewed leaves, defoliation (partial or complete leaf loss), and visible caterpillar presence. Infested parts may show reduced growth and dieback.
What Causes Caterpillar Disease on Rose spirea?
What Causes Caterpillar Disease on Rose spirea?
1
Insect Larvae
The disease is primarily caused by the feeding activities of various caterpillar species which are the larvae of moths and butterflies.
How to Treat Caterpillar Disease on Rose spirea?
How to Treat Caterpillar Disease on Rose spirea?
1
Non pesticide
Manual Removal: Physically remove caterpillars and egg clusters from plants regularly to mitigate spread and damage.

Natural Predators: Encourage natural predators like birds and wasps by providing suitable habitats.
2
Pesticide
Insecticidal Soap: Apply insecticidal soap focusing on the undersides of the leaves where caterpillars often reside.

Bacillus thuringiensis: Use Bacillus thuringiensis (Bt) products to target young caterpillar larvae without harming beneficial insects.
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Flower withering
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Flower withering
Flowers may dry out due to a sudden change in environment or because the plant has completed its normal flowering period.
Overview
Overview
Flower withering occurs when flowers become weak, droopy, wilted, or faded until they can’t be revived. During withering, they begin to wrinkle and shrink until the flower becomes completely dry or dead.
Any flowers, regardless of the plant type or the climate they are grown in, are susceptible to withering. It is a worldwide problem across houseplants, herbs, flowering ornamentals, trees, shrubs, garden vegetables, and food crops.
Unlike wilting—which withering is often confused with—withering can be caused by different things and is often due to more than a lack of water. Withering can be fatal in severe cases.
Symptom Analysis
Symptom Analysis
Flower withering progresses from very mild cases to severe occurrences that kill the flower. The severity of the symptoms is related to the cause and how long the condition is allowed to progress before action is taken.
  • Wilted, droopy flowers
  • Petals and leaves begin to wrinkle
  • Brown papery streaks or spots appear on the petals and leaf tips
  • Flowerhead shrink in size
  • Petal color fades
  • Yellowing leaves
  • Complete death of the flower
Disease Cause
Disease Cause
The main causes of flower withering include natural age progress, lack of water, nutritional deficiencies, and bacterial or fungal diseases. It’s critical to determine the underlying cause when flower withering is noticed. This will guide the best course of action, if treatment is possible.
Check the soil for moisture and then closely examine the entire plant for signs of nutrient deficiencies. If neither of those appears to be the cause then cut open the stem below a flower. If a cross-section reveals brown or rust-colored stains it is safe to assume that this is a bacterial or fungal infection.
If the flower is nearing the end of its normal lifespan, genetic coding within the plant increases the production of ethylene, a phytohormone that controls senescence, or cell aging and death. Cell division stops and the plant begins breaking down resources within the flower to use in other parts of the plant.
In all other cases, flower withering happens when the plant seals off the stem as a defense mechanism, stopping transport within the vascular system. This prevents further water loss through the flowers but also stops bacteria and fungi from moving to healthy parts of the plant. Once water and nutrient transport stops, the flower begins to wither and ultimately die.
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Leaf beetles
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Leaf beetles
Leaf beetles are a class of colored insects 1 to 2 cm in size. They gnaw on leaves and petals resulting in small, round holes scattered over the surface.
Overview
Overview
Leaf beetles range in size from 1.5 mm to 2 cm. Both adult beetles and their larvae eat the leaves of many different types of plants. There are over 35,000 different species of leaf beetles, in a variety of colors including gold, green, yellow-striped, and red striped. Some of these have been mistaken for ladybirds because of their shape and coloring. They can be oval, round, or elongated in shape. These insect pests are most active in spring and summer.
If not controlled, leaf beetles can do a lot of damage to vegetable crops and ornamental plants. They feed on the leaves, flowers, stems, roots, and fruits of different plants. They can fly, which means it's easy for them to move from one plant to another. Some species of leaf beetles only target one specific crop, while others will target many different types of plants. Although a lot of the damage that they cause is cosmetic, an infestation can weaken a plant and leave it prone to other more problematic diseases.
Symptom Analysis
Symptom Analysis
The first signs of a leaf beetles infestation are small visible holes in leaves. Leaves then become discolored and dark beetle droppings can be seen. As the leaves turn yellow and brown, they will drop off the plant onto the ground. Some leaves will appear skeletonized with only the veins still remaining.
Infestation begins in spring, when the adult beetles emerge from the soil and lay their eggs on the leaves of plants. When these eggs hatch, the young nymphs start munching on the leaves as they grow up. Once leaf beetles are large and mature, they'll fall to the ground and pupate in the soil over winter before starting the cycle all over again.
Leaf beetles also eat holes in fruits and vegetables. These can be seen as small round holes that sometimes have a larger brown area surrounding them.
Solutions
Solutions
For less serious cases:
  1. Remove beetles, nymphs, and eggs. Remove all life stages of the beetles and kill them by placing them in a bucket of warm, soapy water. This can be done more easily by placing the bucket under affected leaves and shaking the plant. This method is most effective in the afternoon when leaf beetles are more active. Always dispose of insects in a sealed bag or container to avoid escape and spread.
To treat more serious infestations:
  1. Apply organic insecticides. Use naturally-derived insecticides before moving on to synthetic insecticides. Neem oil and pyrethrum are naturally-derived insecticides that should be applied following label instructions.
  2. Apply synthetic insecticides. Examples of insecticides effective for leaf beetles include carbaryl, permethrin, and bifenthrin. Apply insecticides according to label instructions.
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Aged yellow and dry
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Aged yellow and dry
Natural aging can cause leaves to turn yellow and dry out.
Overview
Overview
Regardless of the type of plant or where it is grown, at some point, it will begin to aged yellow and dry. This is a natural, unavoidable process that happens when the plant has completed all of the steps in its life.
Annual plants go through this process at the end of a single growing season. Perennial plants live for multiple years, if not tens or hundreds of years, but will still ultimately exhibit these symptoms.
Symptom Analysis
Symptom Analysis
When plants have progressed through their natural developmental stages and are nearing the end of their lifecycle, they begin showing signs of decline. Leaves will start to yellow and droop, and over time they turn papery brown and dry.
Once completely dry, the leaves begin to fall from the plant until the entire plant has dried out.
Disease Cause
Disease Cause
At the end of its life, genetic coding within the plant increases the production of ethylene, a phytohormone that controls senescence or natural aging and death. Cell division stops, and the plant begins catabolizing resources to use in other parts of the plant.
As this happens, the tissues begin yellow and drying until the entire plant is desiccated and perishes.
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distribution

Distribution of Rose spirea

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Habitat of Rose spirea

Redwood, red fir forests
Northern Hemisphere
South Hemisphere

Distribution Map of Rose spirea

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Native
Cultivated
Invasive
Potentially invasive
Exotic
No species reported
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More Info on Rose Spirea Growth and Care

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Basic Care Guide
Common Pests & Diseases
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Lighting
Partial sun
Rose spirea thrives when it receives consistent exposure to sun for at least part of the day but can endure more if necessary. The environment where it originated is one with considerable sunlight. Lack or excess of sunlight may influence its healthy growth, yet it generally adapts to various light conditions.
Best Sunlight Practices
Transplant
2-3 feet
The prime time to transplant rose spirea is in the verdant growth of late to mid-spring, leveraging robust root development pre-summer. Choose a sunny, well-drained spot and enrich the site with organic matter for best establishment.
Transplant Techniques
Temperature
-20 - 35 ℃
As a native of rose spirea's growth environment, it is able to adapt to a wide range of temperatures, growing best in a temperature range of 41 to 89 ℉ (5 to 32 ℃). During the growing season, it can handle higher temperatures with adequate water, but may require protection from frost during the colder months. In temperate climates, the plant can tolerate some winter cold and may only require minimal protection.
Temp for Healthy Growth
Pruning
Late spring, Early summer
A deciduous shrub known for its dense clusters of pink flowers, rose spirea is best pruned just after blooming in late spring or early summer to encourage new growth and enhance blooming. Thinning out by cutting back the oldest stems at ground level improves air circulation. Shortening long stems and removing weak or dead branches maintains shape and vigor. Pruning confers the benefits of a more aesthetically pleasing form and healthier, more abundant flowers.
Pruning techniques
Propagation
Autumn,Winter
Rose spirea propagates best through cutting or layering during autumn or winter. Moderate difficulty may be encountered, but successful propagation is indicated by new growth. Key tip: Provide adequate moisture and a well-draining medium.
Propagation Techniques
Caterpillar
The 'Caterpillar' disease considerably affects the growth and aesthetics of 'Rose spirea', leading to defoliation and weakened plants. This issue often results in reduced growth vigor and can make the plant more susceptible to other stresses.
Read More
Scale insect
Scale insects are small pests that infest Rose spirea, causing yellowing of leaves, stunted growth, and in severe cases, plant death. Effective management is essential for plant health.
Read More
Leaf blotch
Leaf blotch is a fungal disease affecting Rose spirea, causing dark, irregular spots on leaves. This can lead to defoliation and weakened plants, particularly impacting aesthetic and health.
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Leaf yellowing
Leaf yellowing on Rose spirea often indicates stress or disease, impacting the plant's photosynthesis and growth. This condition can precede leaf drop, weakening Rose spirea over time.
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Leaf blight
Leaf Blight is a fungal disease that drastically affects Rose spirea, causing defoliation and potential plant death. It is highly infectious and lethal, with symptoms manifesting predominantly during humid and wet conditions.
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Non-base branch withering
Non-base branch withering in Rose spirea comprises a drastic decline in branch vitality, primarily visible during the plant's active growth phases. Impacts include diminished aesthetic value and compromised overall health.
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Powdery mildew
Powdery mildew is a widespread disease affecting Rose spirea, causing a whitish coating on leaves that stunts growth and may lead to premature leaf drop. The disease thrives in humid conditions and is moderately infectious but usually non-lethal.
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Dark spots
Dark spots is a disease that impacts the health of Rose spirea. It leads to poor growth, discoloration and may reduce the plant's lifespan. It's caused by a pathogen and can have damaging effects on both young and mature plants.
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Mealybug
Mealybug infestation on Rose spirea leads to stunted growth, leaf yellowing, and sapping of plant vigor, significantly impacting floral and vegetative components.
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Flower rot
Flower rot is a detrimental disease adversely affecting the health of Rose spirea. It devastates the flowering capacity, leading to tangible yield decrease and plant vitality, primarily due to fungal pathogens and improper cultivation conditions.
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Dodder
Dodder is a parasitic plant that detrimentally affects 'Rose spirea', leading to reduced growth and potential death. This disease impacts the host's photosynthesis, nutrient uptake, and overall vitality.
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Leafhopper
Leafhopper disease significantly impacts Rose spirea by causing discolored leaves and reduced plant vigor. This vector-borne ailment hampers photosynthesis and can lead to severe decline in plant health if unmanaged.
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Spider mite
Spider mite infestation on Rose spirea can severely affect plant vigor and aesthetic value, leading to yellowing leaves, reduced growth, and eventual leaf drop if untreated.
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Whitefly
Whitefly is a pest affecting Rose spirea, causing leaf wilting, discoloration, and reduced plant vigor. Management involves cultural tactics and chemical treatments.
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Interveinal yellowing
Interveinal yellowing is a symptom often linked to nutrient deficiencies, affecting Rose spirea by causing its leaves to yellow between veins, potentially leading to diminished health and vigor of the plant.
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Weevil
Weevil disease primarily affects Rose spirea, causing stunted growth and deformity in the foliage. The disease compromises plant health and its ornamental value, potentially leading to significant agricultural losses.
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Underwatering yellow
Underwatering is a common issue that affects Rose spirea due to inadequate water supply. The plant's growth becomes stunted, leaves dry out, and blooms might fail to appear. Correct hydration and maintenance practices are crucial to alleviate the condition.
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Brown blotch
Brown spot is a common plant disease affecting Rose spirea and various plants. It's primarily characterized by the presence of brown spots on the leaves, leading to plant stress and, in severe cases, premature defoliation. Effective management involves both cultural and chemical practices.
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Yellow edges
Yellow edges is a disease affecting Rose spirea, causing yellow margins on leaves, leading to diminished health and plant growth. Timely identification and proper management can successfully control its impact.
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Moss
Moss disease, affecting Rose spirea, leads to reduced photosynthesis, discoloration, and sometimes stunted growth. It primarily thrives in moist, shaded environments, posing significant health risks to the plant.
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Stem blackening
Stem blackening is a pathological condition affecting Rose spirea leading to compromised structural integrity and reduced vigor. The disease manifests as darkening of stems, potentially threatening the plant's overall health and survival.
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Lack of fertilizer
Lack of Fertilizer is a universal plant condition where Rose spirea's growth and vitality are impeded due to an inadequate supply of essential nutrients. This condition might lead to poor growth, discoloration, and eventual death of the plant if not treated timely.
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Dark blotch
Dark blotch is a fungal disease affecting Rose spirea, causing dark spots on leaves, premature leaf drop, and reduced plant vigor. Effective management is crucial for plant health.
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Flower wilting
Flower wilting is a destructive disease characterized by the decline in health and eventual death of Rose spirea's flowers. The disease, principally caused by fungal pathogens and extreme environmental conditions, leads to decreased plant aesthetic appeal and productivity.
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Thrips
Thrips are pests affecting Rose spirea, causing distorted growth and discolored leaves. They pose significant risks during warm, dry conditions, affecting overall plant health and appearance.
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Whole plant withering
Whole plant withering is a progressive condition where Rose spirea displays extensive wilting and potential die-off. It disrupts vital functions, leading to decreased vigor and potential plant death.
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Spots
Spots is a common plant disease that affects Rose spirea, leading to loss of foliage and plant vigor. It's caused by several pathogens, and if untreated, can severely impact the plant's health and productivity.
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Leaf white mold
Leaf white mold, a fungal disease, severely affects the vitality and health of Rose spirea. This pathogen primarily impairs the foliage, leading to substantial quality loss and lowering the plant's overall aesthetic and economic value.
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Leaf tip withering
Leaf tip withering in Rose spirea is a pathological condition leading to the browning and dieback of leaf tips, potentially resulting in decreased vigor and aesthetic value of the plant.
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Notch
Notch is a fungal disease primarily affecting Rose spirea, characterized by distinct leaf deformities and reduced plant vigor. The disease compromises plant health significantly, leading to lowered aesthetic and ecological value.
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Crown gall
Crown gall is a widespread bacterial disease that leads to formation of tumor-like outgrowths on Rose spirea. These galls disturb the water and nutrient supply, reducing plant growth and productivity.
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Lichen
Lichen is not a disease but a symbiotic composite of algae and fungi. It commonly grows on Rose spirea, but doesn't harm the plant directly, instead indicating possible environmental stress or poor plant vigor.
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Plant dried up
Plant dried up' is a common disease affecting Rose spirea, usually caused by various environmental factors and pathogens, resulting in the wilting and desiccation of plant parts. Timely identification and control can prevent potential damage.
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Leaf drooping
Leaf drooping in Rose spirea is often indicative of stress, particularly hydration issues, leading to reduced photosynthesis capabilities and plant weakness.
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Branch withering
Branch withering in Rose spirea refers to the progressive decline and dieback of branches, significantly impacting the plant's vigor and aesthetic appeal. This disease can ultimately lead to plant death if not managed properly.
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Whole leaf withering
Whole leaf withering is a disease impacting Rose spirea, leading to weakened foliage and potential plant death. It hampers photosynthesis, significantly lowering the plant's vigour and ornamental value.
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Flower withering
Flower withering is a plant disease affecting Rose spirea commonly by causing premature wilting of flowers, which deteriorates their health and reduces productivity. The disease is typically linked to various pathogens and environmental stressors affecting the plant health substantially.
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Scars
The disease 'Scars' significantly impacts the plant Rose spirea, resulting in reduced vitality and aesthetic degradation. This condition is characterized by the formation of visible scar-like lesions on the plant's tissues.
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Leaf wilting
Leaf wilting is a common disease affecting Rose spirea, leaving it with wilted, faded leaves. The disease is usually caused by a combination of physiological factors and serious water stress, and can significantly stunt the plant's growth if left untreated.
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Wounds
Wounds pose a significant threat to Rose spirea, causing damage and enhancing susceptibility to secondary infections. In severe cases, they deter the plant's normal growth and developmental processes, leading to stunted growth or total plant loss if left untreated.
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Aphid
Aphids, small sap-sucking insects, heavily infest Rose spirea, causing discoloration, stunted growth, and decreased vigor. Their secretion, honeydew, also promotes sooty mold growth, further weakening the plant.
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Black mold
Black mold is a fungal infection that primarily targets 'Rose spirea', causing discolored foliage, weakened growth, and potential plant death. This disease thrives in humid, warm conditions, adversely affecting plant health and aesthetics.
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Leaf beetle
Leaf beetles are a significant pest affecting Rose spirea, causing defoliation and stunted growth. This pest primarily attacks the foliage and can lead to severe aesthetic and health issues for the plant.
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Feng shui direction
South
The rose spirea harmonizes well when placed in a South-facing setting. Known for its vibrant blooms, the energy of this plant lends itself to fostering positive growth and fiery ambition inherent to the South—presiding element being the 'Fire'. Do bear in mind, these interpretations are suggestive, conforming to this ancient art's spiritual slant.
Fengshui Details
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Plants Related to Rose spirea

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Virgin's bower
Virgin's bower
Virgin's bower is noted for the unusual appearance of its dark-colored felt-like petals and urn-shaped blossoms. This perennial is a fast-growing climbing shrub that is good for covering unattractive areas of the garden. It is a summer bloomer that is naturally found in low alpine forests.
Tufted hairgrass
Tufted hairgrass
Tufted hairgrass (Deschampsia cespitosa) is an ornamental grass that is green in the spring and then turns to a deep golden color later in the year. Butterfly larvae (such as the umber skipper) love to feast on it.
Tricolor stromanthe
Tricolor stromanthe
The tricolor stromanthe is a popular houseplant, known for its bright green and red or yellow leaves. It is easy to care for and can grow in different environments, but is native to warm, tropical areas including Mexico and South America. In contrast to many popular houseplants, tricolor stromanthe is not toxic to pets.
Swamp rosemallow
Swamp rosemallow
Swamp rosemallow is a water-loving plant that grows in swampy areas and a tropical climate. Growing as a tall shrub with flower-covered stalks, it produces very showy flowers that range from pinkish-white to bright pink-purple, with darker centers. Seeds are available commercially, and can often be found as part of native wildflower mixes.
Angelonia
Angelonia
Angelonia is easily mistaken for annual spring and fall snapdragons. The flowers are similar in appearance, but angelonia can bloom in the summer heat. The flowers also have a light, fruity fragrance.
Spotted beebalm
Spotted beebalm
Spotted beebalm (Monarda punctata) is a perennial shrub that will grow to 61 cm tall. It spreads by runners but is not aggressive or invasive. It produces pagoda-like flowers in showy clusters of creamy, purple-spotted tubular blossoms. It blooms early to mid-summer attracting butterflies and bees.
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.
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Related Plants
Rose spirea
Rose spirea
Rose spirea
Rose spirea
Rose spirea
Rose spirea
Rose spirea
Spiraea douglasii
Also known as: Douglas' spirea, Western spirea, Hardhack steeplebush
Hardiness Zones
Hardiness Zones
5 to 8
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Questions About Rose spirea

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Watering Watering Watering
Pruning Pruning Pruning
Sunlight Sunlight Sunlight
Temperature Temperature Temperature
Fertilizing Fertilizing Fertilizing
What's the best method to water my Rose spirea?
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What should I do if I water Rose spirea too much/too little?
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How often should I water my Rose spirea?
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How much water do I need to give my Rose spirea?
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Should I adjust the watering frequency for my Rose spirea according to different seasons or climates?
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What should I be careful with when I water my Rose spirea in different seasons, climates, or during different growing periods?
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Why is watering my Rose spirea important?
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Key Facts About Rose spirea

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Attributes of Rose spirea

Lifespan
Perennial
Plant Type
Shrub
Planting Time
Summer, Spring, Fall
Bloom Time
Mid spring, Late spring, Early summer, Mid summer
Harvest Time
Summer, Fall
Plant Height
1 m to 2 m
Spread
90 cm to 1.8 m
Leaf Color
Green
Flower Size
1 mm to 2 mm
Flower Color
Pink
Purple
Fruit Color
Black
Purple
Blue
Stem Color
Green
Purple
Brown
Pink
Dormancy
Winter dormancy
Leaf type
Deciduous
Ideal Temperature
5 - 32 ℃
Growth Season
Spring, Summer
Pollinators
Beetles, Wasps, Flies, Butterflies
Benefits to Pollinating Insects
Adult food, Larval food
Growth Rate:Moderate
Due to its moderate growth rate, rose spirea displays a steady development during spring and summer. With the seasons' warming temperatures, rose spirea witnesses a consistent increment in height, leaf production, and flowering. This continuous growth allows rose spirea to gradually reach its mature form while being adaptable to various environmental conditions. Interestingly, rose spirea's moderate growth is not uniform across all seasons, with slower progress noticeable during colder months.
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Scientific Classification of Rose spirea

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pests

Common Pests & Diseases About Rose spirea

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Common issues for Rose spirea based on 10 million real cases
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Caterpillar
The 'Caterpillar' disease considerably affects the growth and aesthetics of 'Rose spirea', leading to defoliation and weakened plants. This issue often results in reduced growth vigor and can make the plant more susceptible to other stresses.
Learn More About the Caterpillar more
Flower withering
Flower withering Flower withering Flower withering
Flowers may dry out due to a sudden change in environment or because the plant has completed its normal flowering period.
Solutions: If flower withering is a natural progression due to age, there is nothing that can be done to slow or stop the process. Once hormones within the plant begin the process of senescence, it’s irreversible. For lack of water, immediately water the plant using room temperature rainwater, bottled spring water, or filtered tap water. Water container plants until excess water drains out the bottom; water in-ground plants until the soil is soaked but there isn’t standing water on the surface. In the event of nutritional deficiencies, the best solution is to use a granular or water-soluble liquid fertilizer, and apply it to the soil at about half the recommended dosage. Keep it off the leaves and make sure granular products are watered into the soil well. If the plant is infected with a bacterial or fungal pathogen, there is no course of treatment that cures the diseased plants. The best solution is to remove the infected plants and dispose of the plant material off-site. Do not put in a compost pile.
Learn More About the Flower withering more
Leaf beetles
Leaf beetles Leaf beetles Leaf beetles
Leaf beetles are a class of colored insects 1 to 2 cm in size. They gnaw on leaves and petals resulting in small, round holes scattered over the surface.
Solutions: For less serious cases: Remove beetles, nymphs, and eggs. Remove all life stages of the beetles and kill them by placing them in a bucket of warm, soapy water. This can be done more easily by placing the bucket under affected leaves and shaking the plant. This method is most effective in the afternoon when leaf beetles are more active. Always dispose of insects in a sealed bag or container to avoid escape and spread. To treat more serious infestations: Apply organic insecticides. Use naturally-derived insecticides before moving on to synthetic insecticides. Neem oil and pyrethrum are naturally-derived insecticides that should be applied following label instructions. Apply synthetic insecticides. Examples of insecticides effective for leaf beetles include carbaryl, permethrin, and bifenthrin. Apply insecticides according to label instructions.
Learn More About the Leaf beetles more
Aged yellow and dry
Aged yellow and dry Aged yellow and dry Aged yellow and dry
Natural aging can cause leaves to turn yellow and dry out.
Solutions: If the yellowing and drying of leaves and flowers is a natural progression due to age, nothing can be done to slow or stop the process. Once hormones within the plant begin the process of senescence, it’s irreversible.
Learn More About the Aged yellow and dry more
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Caterpillar
Overview
Symptom
Causes
Treatment
Prevention
Active Period
What is Caterpillar Disease on Rose spirea?
What is Caterpillar Disease on Rose spirea?
The 'Caterpillar' disease considerably affects the growth and aesthetics of 'Rose spirea', leading to defoliation and weakened plants. This issue often results in reduced growth vigor and can make the plant more susceptible to other stresses.
Symptom Analysis
Symptom Analysis
On 'Rose spirea', the main symptoms include chewed leaves, defoliation (partial or complete leaf loss), and visible caterpillar presence. Infested parts may show reduced growth and dieback.
What Causes Caterpillar Disease on Rose spirea?
What Causes Caterpillar Disease on Rose spirea?
1
Insect Larvae
The disease is primarily caused by the feeding activities of various caterpillar species which are the larvae of moths and butterflies.
How to Treat Caterpillar Disease on Rose spirea?
How to Treat Caterpillar Disease on Rose spirea?
1
Non pesticide
Manual Removal: Physically remove caterpillars and egg clusters from plants regularly to mitigate spread and damage.

Natural Predators: Encourage natural predators like birds and wasps by providing suitable habitats.
2
Pesticide
Insecticidal Soap: Apply insecticidal soap focusing on the undersides of the leaves where caterpillars often reside.

Bacillus thuringiensis: Use Bacillus thuringiensis (Bt) products to target young caterpillar larvae without harming beneficial insects.
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Flower withering
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Flower withering
Flowers may dry out due to a sudden change in environment or because the plant has completed its normal flowering period.
Overview
Overview
Flower withering occurs when flowers become weak, droopy, wilted, or faded until they can’t be revived. During withering, they begin to wrinkle and shrink until the flower becomes completely dry or dead.
Any flowers, regardless of the plant type or the climate they are grown in, are susceptible to withering. It is a worldwide problem across houseplants, herbs, flowering ornamentals, trees, shrubs, garden vegetables, and food crops.
Unlike wilting—which withering is often confused with—withering can be caused by different things and is often due to more than a lack of water. Withering can be fatal in severe cases.
Symptom Analysis
Symptom Analysis
Flower withering progresses from very mild cases to severe occurrences that kill the flower. The severity of the symptoms is related to the cause and how long the condition is allowed to progress before action is taken.
  • Wilted, droopy flowers
  • Petals and leaves begin to wrinkle
  • Brown papery streaks or spots appear on the petals and leaf tips
  • Flowerhead shrink in size
  • Petal color fades
  • Yellowing leaves
  • Complete death of the flower
Disease Cause
Disease Cause
The main causes of flower withering include natural age progress, lack of water, nutritional deficiencies, and bacterial or fungal diseases. It’s critical to determine the underlying cause when flower withering is noticed. This will guide the best course of action, if treatment is possible.
Check the soil for moisture and then closely examine the entire plant for signs of nutrient deficiencies. If neither of those appears to be the cause then cut open the stem below a flower. If a cross-section reveals brown or rust-colored stains it is safe to assume that this is a bacterial or fungal infection.
If the flower is nearing the end of its normal lifespan, genetic coding within the plant increases the production of ethylene, a phytohormone that controls senescence, or cell aging and death. Cell division stops and the plant begins breaking down resources within the flower to use in other parts of the plant.
In all other cases, flower withering happens when the plant seals off the stem as a defense mechanism, stopping transport within the vascular system. This prevents further water loss through the flowers but also stops bacteria and fungi from moving to healthy parts of the plant. Once water and nutrient transport stops, the flower begins to wither and ultimately die.
Solutions
Solutions
If flower withering is a natural progression due to age, there is nothing that can be done to slow or stop the process. Once hormones within the plant begin the process of senescence, it’s irreversible.
For lack of water, immediately water the plant using room temperature rainwater, bottled spring water, or filtered tap water. Water container plants until excess water drains out the bottom; water in-ground plants until the soil is soaked but there isn’t standing water on the surface.
In the event of nutritional deficiencies, the best solution is to use a granular or water-soluble liquid fertilizer, and apply it to the soil at about half the recommended dosage. Keep it off the leaves and make sure granular products are watered into the soil well.
If the plant is infected with a bacterial or fungal pathogen, there is no course of treatment that cures the diseased plants. The best solution is to remove the infected plants and dispose of the plant material off-site. Do not put in a compost pile.
Prevention
Prevention
This is definitely one of those instances where prevention is more effective than cure. Here are some preventative measures for avoiding premature flower withering.
  • Water plants according to their needs -- either keep the soil slightly moist or allow the top inch or two to dry out before watering again.
  • Fertilize lightly on a consistent basis, depending upon the plant’s growth. Quick-growing plants and those that flower or develop fruit will need more frequent fertilizing than slow-growing plants.
  • Purchase plants that are certified disease- or pathogen-free.
  • Look for disease-resistant cultivars.
  • Isolate plants showing disease symptoms to prevent the spread to neighboring plants.
  • Practice good plant hygiene by removing any fallen plant material as soon as possible.
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Leaf beetles
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Leaf beetles
Leaf beetles are a class of colored insects 1 to 2 cm in size. They gnaw on leaves and petals resulting in small, round holes scattered over the surface.
Overview
Overview
Leaf beetles range in size from 1.5 mm to 2 cm. Both adult beetles and their larvae eat the leaves of many different types of plants. There are over 35,000 different species of leaf beetles, in a variety of colors including gold, green, yellow-striped, and red striped. Some of these have been mistaken for ladybirds because of their shape and coloring. They can be oval, round, or elongated in shape. These insect pests are most active in spring and summer.
If not controlled, leaf beetles can do a lot of damage to vegetable crops and ornamental plants. They feed on the leaves, flowers, stems, roots, and fruits of different plants. They can fly, which means it's easy for them to move from one plant to another. Some species of leaf beetles only target one specific crop, while others will target many different types of plants. Although a lot of the damage that they cause is cosmetic, an infestation can weaken a plant and leave it prone to other more problematic diseases.
Symptom Analysis
Symptom Analysis
The first signs of a leaf beetles infestation are small visible holes in leaves. Leaves then become discolored and dark beetle droppings can be seen. As the leaves turn yellow and brown, they will drop off the plant onto the ground. Some leaves will appear skeletonized with only the veins still remaining.
Infestation begins in spring, when the adult beetles emerge from the soil and lay their eggs on the leaves of plants. When these eggs hatch, the young nymphs start munching on the leaves as they grow up. Once leaf beetles are large and mature, they'll fall to the ground and pupate in the soil over winter before starting the cycle all over again.
Leaf beetles also eat holes in fruits and vegetables. These can be seen as small round holes that sometimes have a larger brown area surrounding them.
Solutions
Solutions
For less serious cases:
  1. Remove beetles, nymphs, and eggs. Remove all life stages of the beetles and kill them by placing them in a bucket of warm, soapy water. This can be done more easily by placing the bucket under affected leaves and shaking the plant. This method is most effective in the afternoon when leaf beetles are more active. Always dispose of insects in a sealed bag or container to avoid escape and spread.
To treat more serious infestations:
  1. Apply organic insecticides. Use naturally-derived insecticides before moving on to synthetic insecticides. Neem oil and pyrethrum are naturally-derived insecticides that should be applied following label instructions.
  2. Apply synthetic insecticides. Examples of insecticides effective for leaf beetles include carbaryl, permethrin, and bifenthrin. Apply insecticides according to label instructions.
Prevention
Prevention
To prevent infestations of leaf beetles, follow these practices.
  1. Regularly check for beetles. To prevent large pest infestations, be proactive about frequently checking plants for pests and removing them quickly.
  2. Clear debris. Clear weeds and debris to remove areas where these beetles may overwinter and hide.
  3. Attract natural predators. Birds and other insects, such as wasps and ladybugs, are effective natural predators of leaf beetles. Encourage them to visit by including a diverse array of plants to provide habitat and food. Also, avoid applying broad-spectrum herbicides that can harm and kill beneficial insects.
  4. Plant aromatic herbs like mint, garlic, or rosemary, as these can repel leaf beetles.
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Aged yellow and dry
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Aged yellow and dry
Natural aging can cause leaves to turn yellow and dry out.
Overview
Overview
Regardless of the type of plant or where it is grown, at some point, it will begin to aged yellow and dry. This is a natural, unavoidable process that happens when the plant has completed all of the steps in its life.
Annual plants go through this process at the end of a single growing season. Perennial plants live for multiple years, if not tens or hundreds of years, but will still ultimately exhibit these symptoms.
Symptom Analysis
Symptom Analysis
When plants have progressed through their natural developmental stages and are nearing the end of their lifecycle, they begin showing signs of decline. Leaves will start to yellow and droop, and over time they turn papery brown and dry.
Once completely dry, the leaves begin to fall from the plant until the entire plant has dried out.
Disease Cause
Disease Cause
At the end of its life, genetic coding within the plant increases the production of ethylene, a phytohormone that controls senescence or natural aging and death. Cell division stops, and the plant begins catabolizing resources to use in other parts of the plant.
As this happens, the tissues begin yellow and drying until the entire plant is desiccated and perishes.
Solutions
Solutions
If the yellowing and drying of leaves and flowers is a natural progression due to age, nothing can be done to slow or stop the process. Once hormones within the plant begin the process of senescence, it’s irreversible.
Prevention
Prevention
Unfortunately, there is no way to prevent plants from dying of “old age.” To help prolong their life, and put off symptoms of aged yellow and dry for as long as possible, take care of them by giving them enough water, fertilizing them appropriately, and making sure they get enough sunlight.
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distribution

Distribution of Rose spirea

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Habitat of Rose spirea

Redwood, red fir forests
Northern Hemisphere
South Hemisphere

Distribution Map of Rose spirea

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Native
Cultivated
Invasive
Potentially invasive
Exotic
No species reported
care_scenes

More Info on Rose Spirea Growth and Care

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Basic Care Guide
Common Pests & Diseases
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Caterpillar
The 'Caterpillar' disease considerably affects the growth and aesthetics of 'Rose spirea', leading to defoliation and weakened plants. This issue often results in reduced growth vigor and can make the plant more susceptible to other stresses.
 detail
Scale insect
Scale insects are small pests that infest Rose spirea, causing yellowing of leaves, stunted growth, and in severe cases, plant death. Effective management is essential for plant health.
 detail
Leaf blotch
Leaf blotch is a fungal disease affecting Rose spirea, causing dark, irregular spots on leaves. This can lead to defoliation and weakened plants, particularly impacting aesthetic and health.
 detail
Leaf yellowing
Leaf yellowing on Rose spirea often indicates stress or disease, impacting the plant's photosynthesis and growth. This condition can precede leaf drop, weakening Rose spirea over time.
 detail
Leaf blight
Leaf Blight is a fungal disease that drastically affects Rose spirea, causing defoliation and potential plant death. It is highly infectious and lethal, with symptoms manifesting predominantly during humid and wet conditions.
 detail
Non-base branch withering
Non-base branch withering in Rose spirea comprises a drastic decline in branch vitality, primarily visible during the plant's active growth phases. Impacts include diminished aesthetic value and compromised overall health.
 detail
Powdery mildew
Powdery mildew is a widespread disease affecting Rose spirea, causing a whitish coating on leaves that stunts growth and may lead to premature leaf drop. The disease thrives in humid conditions and is moderately infectious but usually non-lethal.
 detail
Dark spots
Dark spots is a disease that impacts the health of Rose spirea. It leads to poor growth, discoloration and may reduce the plant's lifespan. It's caused by a pathogen and can have damaging effects on both young and mature plants.
 detail
Mealybug
Mealybug infestation on Rose spirea leads to stunted growth, leaf yellowing, and sapping of plant vigor, significantly impacting floral and vegetative components.
 detail
Flower rot
Flower rot is a detrimental disease adversely affecting the health of Rose spirea. It devastates the flowering capacity, leading to tangible yield decrease and plant vitality, primarily due to fungal pathogens and improper cultivation conditions.
 detail
Dodder
Dodder is a parasitic plant that detrimentally affects 'Rose spirea', leading to reduced growth and potential death. This disease impacts the host's photosynthesis, nutrient uptake, and overall vitality.
 detail
Leafhopper
Leafhopper disease significantly impacts Rose spirea by causing discolored leaves and reduced plant vigor. This vector-borne ailment hampers photosynthesis and can lead to severe decline in plant health if unmanaged.
 detail
Spider mite
Spider mite infestation on Rose spirea can severely affect plant vigor and aesthetic value, leading to yellowing leaves, reduced growth, and eventual leaf drop if untreated.
 detail
Whitefly
Whitefly is a pest affecting Rose spirea, causing leaf wilting, discoloration, and reduced plant vigor. Management involves cultural tactics and chemical treatments.
 detail
Interveinal yellowing
Interveinal yellowing is a symptom often linked to nutrient deficiencies, affecting Rose spirea by causing its leaves to yellow between veins, potentially leading to diminished health and vigor of the plant.
 detail
Weevil
Weevil disease primarily affects Rose spirea, causing stunted growth and deformity in the foliage. The disease compromises plant health and its ornamental value, potentially leading to significant agricultural losses.
 detail
Underwatering yellow
Underwatering is a common issue that affects Rose spirea due to inadequate water supply. The plant's growth becomes stunted, leaves dry out, and blooms might fail to appear. Correct hydration and maintenance practices are crucial to alleviate the condition.
 detail
Brown blotch
Brown spot is a common plant disease affecting Rose spirea and various plants. It's primarily characterized by the presence of brown spots on the leaves, leading to plant stress and, in severe cases, premature defoliation. Effective management involves both cultural and chemical practices.
 detail
Yellow edges
Yellow edges is a disease affecting Rose spirea, causing yellow margins on leaves, leading to diminished health and plant growth. Timely identification and proper management can successfully control its impact.
 detail
Moss
Moss disease, affecting Rose spirea, leads to reduced photosynthesis, discoloration, and sometimes stunted growth. It primarily thrives in moist, shaded environments, posing significant health risks to the plant.
 detail
Stem blackening
Stem blackening is a pathological condition affecting Rose spirea leading to compromised structural integrity and reduced vigor. The disease manifests as darkening of stems, potentially threatening the plant's overall health and survival.
 detail
Lack of fertilizer
Lack of Fertilizer is a universal plant condition where Rose spirea's growth and vitality are impeded due to an inadequate supply of essential nutrients. This condition might lead to poor growth, discoloration, and eventual death of the plant if not treated timely.
 detail
Dark blotch
Dark blotch is a fungal disease affecting Rose spirea, causing dark spots on leaves, premature leaf drop, and reduced plant vigor. Effective management is crucial for plant health.
 detail
Flower wilting
Flower wilting is a destructive disease characterized by the decline in health and eventual death of Rose spirea's flowers. The disease, principally caused by fungal pathogens and extreme environmental conditions, leads to decreased plant aesthetic appeal and productivity.
 detail
Thrips
Thrips are pests affecting Rose spirea, causing distorted growth and discolored leaves. They pose significant risks during warm, dry conditions, affecting overall plant health and appearance.
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Whole plant withering
Whole plant withering is a progressive condition where Rose spirea displays extensive wilting and potential die-off. It disrupts vital functions, leading to decreased vigor and potential plant death.
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Spots
Spots is a common plant disease that affects Rose spirea, leading to loss of foliage and plant vigor. It's caused by several pathogens, and if untreated, can severely impact the plant's health and productivity.
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Leaf white mold
Leaf white mold, a fungal disease, severely affects the vitality and health of Rose spirea. This pathogen primarily impairs the foliage, leading to substantial quality loss and lowering the plant's overall aesthetic and economic value.
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Leaf tip withering
Leaf tip withering in Rose spirea is a pathological condition leading to the browning and dieback of leaf tips, potentially resulting in decreased vigor and aesthetic value of the plant.
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Notch
Notch is a fungal disease primarily affecting Rose spirea, characterized by distinct leaf deformities and reduced plant vigor. The disease compromises plant health significantly, leading to lowered aesthetic and ecological value.
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Crown gall
Crown gall is a widespread bacterial disease that leads to formation of tumor-like outgrowths on Rose spirea. These galls disturb the water and nutrient supply, reducing plant growth and productivity.
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Lichen
Lichen is not a disease but a symbiotic composite of algae and fungi. It commonly grows on Rose spirea, but doesn't harm the plant directly, instead indicating possible environmental stress or poor plant vigor.
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Plant dried up
Plant dried up' is a common disease affecting Rose spirea, usually caused by various environmental factors and pathogens, resulting in the wilting and desiccation of plant parts. Timely identification and control can prevent potential damage.
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Leaf drooping
Leaf drooping in Rose spirea is often indicative of stress, particularly hydration issues, leading to reduced photosynthesis capabilities and plant weakness.
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Branch withering
Branch withering in Rose spirea refers to the progressive decline and dieback of branches, significantly impacting the plant's vigor and aesthetic appeal. This disease can ultimately lead to plant death if not managed properly.
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Whole leaf withering
Whole leaf withering is a disease impacting Rose spirea, leading to weakened foliage and potential plant death. It hampers photosynthesis, significantly lowering the plant's vigour and ornamental value.
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Flower withering
Flower withering is a plant disease affecting Rose spirea commonly by causing premature wilting of flowers, which deteriorates their health and reduces productivity. The disease is typically linked to various pathogens and environmental stressors affecting the plant health substantially.
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Scars
The disease 'Scars' significantly impacts the plant Rose spirea, resulting in reduced vitality and aesthetic degradation. This condition is characterized by the formation of visible scar-like lesions on the plant's tissues.
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Leaf wilting
Leaf wilting is a common disease affecting Rose spirea, leaving it with wilted, faded leaves. The disease is usually caused by a combination of physiological factors and serious water stress, and can significantly stunt the plant's growth if left untreated.
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Wounds
Wounds pose a significant threat to Rose spirea, causing damage and enhancing susceptibility to secondary infections. In severe cases, they deter the plant's normal growth and developmental processes, leading to stunted growth or total plant loss if left untreated.
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Aphid
Aphids, small sap-sucking insects, heavily infest Rose spirea, causing discoloration, stunted growth, and decreased vigor. Their secretion, honeydew, also promotes sooty mold growth, further weakening the plant.
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Black mold
Black mold is a fungal infection that primarily targets 'Rose spirea', causing discolored foliage, weakened growth, and potential plant death. This disease thrives in humid, warm conditions, adversely affecting plant health and aesthetics.
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Leaf beetle
Leaf beetles are a significant pest affecting Rose spirea, causing defoliation and stunted growth. This pest primarily attacks the foliage and can lead to severe aesthetic and health issues for the plant.
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Lighting
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Requirements
Partial sun
Ideal
About 3-6 hours sunlight
Full sun
Tolerance
Above 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
Rose spirea thrives when it receives consistent exposure to sun for at least part of the day but can endure more if necessary. The environment where it originated is one with considerable sunlight. Lack or excess of sunlight may influence its healthy growth, yet it generally adapts to various light conditions.
Preferred
Tolerable
Unsuitable
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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.
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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
Rose spirea is a versatile plant that thrives in full sunlight but can tolerate partial shade. While it can adapt to different light conditions, when grown indoors with insufficient light, subtle symptoms of light deficiency may arise.
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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 rose spirea 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
Rose spirea 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 optimize plant growth, shift them to increasingly sunnier spots each week until they receive 3-6 hours of direct sunlight daily, enabling gradual adaptation to changing light conditions.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
Rose spirea thrives in full sun exposure but can adapt to partial shade. Although sunburn symptoms occur occasionally, they are generally tolerant of different light conditions due to their resilience.
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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.
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Temperature
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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
As a native of rose spirea's growth environment, it is able to adapt to a wide range of temperatures, growing best in a temperature range of 41 to 89 ℉ (5 to 32 ℃). During the growing season, it can handle higher temperatures with adequate water, but may require protection from frost during the colder months. In temperate climates, the plant can tolerate some winter cold and may only require minimal protection.
Regional wintering strategies
Rose spirea 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 Rose spirea
Rose spirea 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 Rose spirea
During summer, Rose spirea 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.
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