Home City Plants Application
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
email
Your free 7-day Premium hasn’t been claimed yet. Click to claim.
more icon close icon
about about
About
care_guide care_guide
Care Guide
topic topic
Care FAQ
pests pests
Pests & Diseases
distribution_map distribution_map
Distribution
plant_info plant_info
More Info
more_plants more_plants
Related Plants
articles articles
Related Articles
pic top
Traveller's palm
Traveller's palm
Traveller's palm
Traveller's palm
Traveller's palm
Traveller's palm
Add to My Garden
Traveller's palm
Ravenala madagascariensis
Also known as: Madagascar traveller's tree
Traveller's palm (Ravenala madagascariensis) is a flowering plant native to Madagascar. This tree's leaves cause it to resemble a peacock. It gets its common name "traveller's palm" because its stem sheaths hold rainwater which is supposed to be an emergency source for the thirsty travelers.
Sunlight
Full sun
Sunlight
care guide

Care Guide for Traveller's palm

Water
Water
Traveller's palm likes moisture but does not like to sit in water, so its soil should be well-draining. Water as needed to ensure that the soil is evenly moist but not waterlogged. If the top 1 inch - 2 inches of soil is dry, feel free to give your plant a good soak. If the soil steel feels moist to the touch, it does not need water just yet.
Fertilization
Fertilization
Although traveller's palm has been known to survive in less than optimal conditions, a faster growing and healthier plant will result from feeding your traveller's palm with a nitrogen rich fertilizer. Feed should be applied once in spring, summer, and autumn.
Soil
Soil
Sand, Sandy loam, Acidic, Neutral
Sunlight
Sunlight
Full sun, Partial sun
Hardiness Zones
Hardiness Zones
10 - 13
care guide bg
Tips, advice, and instructions for over 13,000 species that you will find nowhere else
Picture This
A Botanist in Your Pocket
qrcode
Scan QR code to download
label
cover
Traveller's palm
Hardiness Zones
Hardiness Zones
10 - 13
bg
tip
Download and print this plant care card and attach it to your plants
download btn
Download
close
label label
cover
Traveller's palm
Hardiness Zones
Hardiness Zones
10 - 13
download btn
Download
label label
cover
Traveller's palm
Hardiness Zones
Hardiness Zones
10 - 13
download btn
Download
question

Questions About Traveller's palm

Watering Watering Watering
Pruning Pruning Pruning
Temperature Temperature Temperature
How Much to Water Traveller's palm?
When it comes time to water your Traveller's palm, you should not be shy about how much water you give. With the first two to three inches of soil dry, this plant will appreciate a long and thorough watering. Supply enough water to soak the soil entirely. The amount of water you add should be enough to cause excess water to flow through the drainage holes at the bottom of your pot. If you don’t see excess water draining from the pot, you have likely underwatered your plant. But do not let the water accumulate inside the soil, which will be very dangerous to the plant as well. Alternatively, a lack of water draining through the pot could indicate poorly draining soils, which is detrimental to the health of this plant and should be avoided. If the plant is outside, 1 inch of rain per week will be sufficient.
Read More more
Free
How Often to Water Traveller's palm?
If your plant is in a pot. The most precise way to decide whether your Traveller's palm needs water is to plunge your finger into the soil. If you notice that the first two to three inches of soil have become dry, it is time to add some water.

If you grow your Traveller's palm outdoors in the ground, you can use a similar method to test the soil. Again, when you find that the first few inches of soil have dried out, it is time to add water. During the spring and early fall, this method will often lead you to water this plant about once every week. When extremely hot weather arrives, you may need to increase your watering frequency to about twice or more per week. With that said, mature, well-established the Traveller's palm can show an admirable ability to withstand drought.
Read More more
Free
How to Water Traveller's palm at Different Growth Stages?
The water needs of the Traveller's palm can change depending on growth stages as well. For example, when your Traveller's palm is in the first few years of its life, or if you have just transplanted it to a new growing location, you will need to give more water than usual. During both of those stages, your Traveller's palm will put a lot of energy towards sprouting new roots that will then support future growth. For those roots to perform their best, they need a bit more moisture than they would at a more mature phase. After a few seasons, your Traveller's palm will need much less water. Another growth stage in which this plant may need more water is during the bloom period. Flower development can make use of a significant amount of moisture, which is why you might need to give your Traveller's palm more water at this time.
Read More more
Free
How to Water Traveller's palm Through the Seasons?
The Traveller's palm will have its highest water needs during the hottest months of the year. During the height of summer, you may need to give this plant water more than once per week, depending on how fast the soil dries out. The opposite is true during the winter. In winter, your plant will enter a dormant phase, in which it will need far less water than usual. In fact, you may not need to water this plant at all during the winter months. However, if you do water during winter, you should not do so more than about once per month. Watering too much at this time will make it more likely that your Traveller's palm will contract a disease.
Read More more
lock
What Is the Best Way to Water the Traveller's palm?
When watering the Traveller's palm, you should aim to use filtered water that is at room temperature. Filtered water is better for this plant, as tap water can contain particles that are harmful to its health. The reason that the water should be at room temperature or slightly warmer is that the Traveller's palm comes from a warm environment, and cold water can be somewhat of a shock to its system. Also, you should avoid overhead watering for this plant, as it can cause foliage complications. Instead, simply apply your filtered room temperature water to the soil until the soil is entirely soaked. Soaking the soil can be very beneficial for this plant as it moistens the roots and helps them continue to spread through the soil and collect the nutrients they need.
Read More more
lock
What Is the Difference between Watering Traveller's palm Indoors and Outdoors?
It is most common to grow the Traveller's palm indoors for any gardener that does not live in temperate and tropical regions. Those gardeners should consider the fact that soil in a container can dry out a bit faster than ground soil. Also, the presence of drying elements such as air conditioning units can cause your Traveller's palm to need water on a more frequent basis as well. if you planted it outside. When that is the case, it’s likely you won’t need to water your Traveller's palm very much at all. If you receive rainfall on a regular basis, that may be enough to keep your plant alive. Alternatively, those who grow this plant inside will need to water it more often, as allowing rainwater to soak the soil will not be an option.
Read More more
lock
What to Do If Your Water Traveller's palm Too Much or Too Little?
Both overwatering and underwatering will be detrimental to the health of your Traveller's palm, but overwatering is a far more common issue. When this species receives too much water, its stems and leaves may begin to wilt and turn from green to yellow. Overwatering over a prolonged period may also lead to diseases such as root rot, mold, and mildew, all of which can kill your plant. Underwatering is far less common for the Traveller's palm, as this plant has decent drought tolerance. However, underwatering remains a possibility, and when it occurs, you can expect to find that the leaves of your Traveller's palm have become brittle and brown.

It is crucial that you notice the signs of overwatering as soon as possible when caring for your Traveller's palm. Some of the diseases that arise from overwatering, such as root rot, may not be correctable if you wait too long. If you see early signs of overwatering, you should reduce your watering schedule immediately. You may also want to assess the quality of soil in which your Traveller's palm grows. If you find that the soil drains very poorly, you should replace it immediately with a loose, well-draining potting mix. On the other hand, if you find signs that your Traveller's palm is receiving too little water, all you need to do is water more regularly until those signs have subsided.
Read More more
lock
right
buy vip bg
You’ve got questions. We’ve got answers.
Let us help take all the guesswork out of your gardening.
pests

Common Pests & Diseases

Common issues for Traveller's palm based on 10 million real cases
Anthracnose
Anthracnose Anthracnose
Anthracnose
Anthracnose causes grey-brown spots with black margins on leaves and stems.
Solutions: For less serious cases when only a few leaves are affected, complete the following: Prune affected leaves. Using pruning shears, remove leaves that have spots. Dispose of these leaves to avoid spreading the disease to other plants. Clear debris. To stop the spread of disease, remove debris and weeds from around plants. For serious cases when many leaves are infected with large splotches: Apply a fungicide. Fungicides won't cure current infections, but they will prevent anthracnose from spreading to uninfected tissue. Apply a fungicide before a dry period following product instructions. Products containing copper diammonia diacetate are most likely to be effective.
Underwatering
Underwatering Underwatering
Underwatering
Leaves may wilt for a variety of reasons.
Solutions: The easiest (and most obvious) way to address underwatering is to fully hydrate the plant. However, this must be done carefully. A common mistake that many gardeners make is to douse their underwatered plants with water. This can overwhelm the roots of the plant and shock its system, something that can be even more damaging than the lack of water to begin with. Instead, water thoroughly and slowly, taking breaks to let the water slowly saturate through the soil to get to the roots. Use room temperature water, as cold water might be too much of a shock. In the future, shorten the time between waterings. A good rule of thumb is to check the soil around each plant daily. If it’s dry to at least two inches down, it’s time to water. If a container plant is repeatedly drying out very quickly, repotting into a slower-draining container might be a good idea, too.
Longhorn beetles
Longhorn beetles Longhorn beetles
Longhorn beetles
The longhorn beetle is a medium- to large-sized insect with very long antennae and strong jaws. Both its adult and larval stages gnaw on tree trunks, leaving small, round holes.
Solutions: Some longhorn beetles species are native insects, and they cause little damage. Therefore, these don't warrant control. Other longhorn beetles species are invasive pests that were recently introduced from other areas. These species can cause a great deal of damage to hardwood trees. Apply an insecticide containing imidacloprid as a soil injection or trunk injection following product instructions. This will enter into new grow and kill adults who feed on foliage. This will not help save trees that are already infested with large amounts of larvae, but it will save trees located near an infested tree. Contact an arborist for best control practices regarding infected trees. To properly control longhorn beetles, all host plants in a given area must be treated. Contact a local extension agent or state agency. Tracking the spread of longhorn beetles is a key component of their control.
buy vip bg
Keep your leafy friends healthy and happy.
Diagnose your plant, and learn how to prevent and treat plant diseases.
close
Anthracnose
plant poor
Anthracnose
Anthracnose causes grey-brown spots with black margins on leaves and stems.
Overview
Overview
Anthracnose is a group of fungal diseases that affects foliage, twigs, and stems. It can affect a wide variety of plants including trees, shrubs, vegetables, grasses, and flowers and is most likely to occur in cool, wet conditions. It often occurs in the spring when rain splashes on overwintering fungi.
Some varieties of plants are bred to be resistant to anthracnose. If plants are not resistant, they can become infected year after year. Plants can also recover from infection only to be reinfected later that year.
In most cases, anthracnose only causes minor damage. However, young plants are susceptible to major damage. In the worst-case scenarios, this disease can cause major defoliation.
Symptom Analysis
Symptom Analysis
Plant leaves will show gray or brown blotches that may be surrounded by black edges. Blotches may be only one small spot or many spots that cover an entire leaf. If these symptoms progress, leaves may drop prematurely.
Anthracnose can also cause small lesions on twigs and stems. These often appear as brown, gray, or orange blisters. If left untreated, twigs may drop.
Disease Cause
Disease Cause
Anthracnose is caused by one of several possible fungi. These pathogens overwinter on plant debris. When water hits these fungi in the spring, spores release and land on plant tissue. When the spores germinate on leaf or twig tissue, they cause anthracnose symptoms.
These fungi need moist conditions to live. Therefore, they will not be a problem in dry conditions.
Solutions
Solutions
For less serious cases when only a few leaves are affected, complete the following:
  • Prune affected leaves. Using pruning shears, remove leaves that have spots. Dispose of these leaves to avoid spreading the disease to other plants.
  • Clear debris. To stop the spread of disease, remove debris and weeds from around plants.
For serious cases when many leaves are infected with large splotches:
  • Apply a fungicide. Fungicides won't cure current infections, but they will prevent anthracnose from spreading to uninfected tissue. Apply a fungicide before a dry period following product instructions. Products containing copper diammonia diacetate are most likely to be effective.
Prevention
Prevention
Since anthracnose is difficult to treat once it appears, it's important to prevent it from infecting your plants.
  • Remove debris. Clear all old plant material and weeds from under and around plants in the fall. This material can harbor anthracnose spores that will later infect plants.
  • Select resistant varieties. When adding new plants, choose varieties that are resistant to anthracnose.
  • Increase airflow. Anthracnose thrives in wet conditions, so space plants far enough apart to allow for good airflow.
  • Avoid overhead irrigation. To keep plant tissue dry, avoid using overhead irrigation. Instead, water at the base of plants or install drip irrigation.
  • Use a preventative fungicide. If there is a reason to suspect future anthracnose outbreaks, apply a fungicide in the early spring.
Show More
more
Become a premium member and read all about it!
Learn how to prevent and treat plant diseases.
Underwatering
plant poor
Underwatering
Leaves may wilt for a variety of reasons.
Overview
Overview
Underwatering plants is one of the quickest ways to kill them. This is something that most gardeners are well aware of. Unfortunately, knowing exactly how much water a plant needs can be tricky, especially considering that underwatering and overwatering present similar symptoms in plants.
Therefore, it’s important to be vigilant and attentive to each plants’ individual needs.
Symptom Analysis
Symptom Analysis
As mentioned earlier, overwatering and underwatering present similar symptoms in plants. These symptoms include poor growth, wilted leaves, defoliation, and brown leaf tips or margins. Ultimately, both underwatering and overwatering can lead to the death of a plant.
The easiest way to determine whether a plant has too much water or too little is to look at the leaves. If underwatering is the culprit, the leaves will look brown and crunchy, while if it’s overwatering, they will appear yellow or a pale green in color.
When this issue first begins, there may be no noticeable symptoms at all, particularly in hardy or drought-tolerant plants. However, they will begin to wilt once they start suffering from a lack of water. The edges of the plant’s leaves will become brown or curled. Soil pulling away from the edges of the planter is a telltale sign, or a crispy, brittle stem.
Prolonged underwatering can cause a plant’s growth to become stunted. The leaves might drop and the plant can be more susceptible to pest infestations, too.
Disease Cause
Disease Cause
Underwatering is caused by, quite simply, not watering plants often or deeply enough. There is a heightened risk of underwatering if any of these situations apply:
  • Extreme heat and dry weather (when growing outdoors)
  • Grow lights or indoor lighting that is too bright or intense for the type of plant
  • Using fast-draining growing media such as sand
Solutions
Solutions
The easiest (and most obvious) way to address underwatering is to fully hydrate the plant. However, this must be done carefully. A common mistake that many gardeners make is to douse their underwatered plants with water. This can overwhelm the roots of the plant and shock its system, something that can be even more damaging than the lack of water to begin with.
Instead, water thoroughly and slowly, taking breaks to let the water slowly saturate through the soil to get to the roots. Use room temperature water, as cold water might be too much of a shock.
In the future, shorten the time between waterings. A good rule of thumb is to check the soil around each plant daily. If it’s dry to at least two inches down, it’s time to water. If a container plant is repeatedly drying out very quickly, repotting into a slower-draining container might be a good idea, too.
Prevention
Prevention
Always check the soil before watering. If the top inch of soil feels moist, though not wet, the watering is perfect. If it’s dry, water it immediately. If it feels soggy, you avoid watering until it dries out a bit more.
Also, make sure the lighting is sufficient for the species. Plants grow faster and need more water when there is intense light or lots of heat. Being aware of these conditions and modifying them, if possible, is a good way to prevent underwatering. Many container plants are potted in soil mixtures mean to be well-draining. Adding materials that retain moisture, like compost or peat moss, can also prevent these symptoms.
Other tips to prevent underwatering include:
  • Choose pots with adequately-sized drainage holes
  • Avoid warm temperatures
  • Use large pots with additional soil (these take longer to dry out)
  • Avoid terracotta pots, which lose water quickly
Show More
more
Become a premium member and read all about it!
Learn how to prevent and treat plant diseases.
Longhorn beetles
plant poor
Longhorn beetles
The longhorn beetle is a medium- to large-sized insect with very long antennae and strong jaws. Both its adult and larval stages gnaw on tree trunks, leaving small, round holes.
Overview
Overview
Longhorn beetles are characterized by extremely long antennae which are often as long as, or longer, than the beetle's body. Adult longhorn beetles vary in size, shape, and coloration, depending upon the species. They may be 6 - 76 mm long. The larvae are worm-like with a wrinkled, white to yellowish body and a brown head.
Longhorn beetles are active throughout the year, but adults are most active in the summer and fall. Larvae feed on wood throughout the year.
Both larvae and adults feed on woody tissue. Some of the most susceptible species include ash, birch, elm, poplar, and willow.
If left untreated, longhorn beetles can kill trees.
Symptom Analysis
Symptom Analysis
Longhorn beetles are attracted to wounded, dying, or freshly-cut hardwood trees. Adults lay their eggs in the spring, summer, and fall on the bark of greenwood. There may be sap around egg-laying sites.
Once the eggs hatch, larvae called round-headed borers burrow into the trunk to feed. They may tunnel for one to three years depending on the wood's nutritional content. As the larvae feed, they release sawdust-like frass at the base of the tree.
Eventually, the larvae turn into pupae and then adults. When the adults emerge, they leave 1 cm holes in the bark on their way out. Adults feed on leaves, bark, and shoots of trees before laying eggs.
After a few years of being fed upon by longhorn beetles, a tree will begin losing leaves. Eventually, it will die.
Solutions
Solutions
Some longhorn beetles species are native insects, and they cause little damage. Therefore, these don't warrant control.
Other longhorn beetles species are invasive pests that were recently introduced from other areas. These species can cause a great deal of damage to hardwood trees.
  • Apply an insecticide containing imidacloprid as a soil injection or trunk injection following product instructions. This will enter into new grow and kill adults who feed on foliage. This will not help save trees that are already infested with large amounts of larvae, but it will save trees located near an infested tree.
  • Contact an arborist for best control practices regarding infected trees.
  • To properly control longhorn beetles, all host plants in a given area must be treated.
  • Contact a local extension agent or state agency. Tracking the spread of longhorn beetles is a key component of their control.
Prevention
Prevention
  • Keeping trees healthy, uninjured, and unstressed will help prevent beetle infestation. Water trees appropriately, giving neither too much nor too little.
  • Check with local tree companies about which tree species have fewer problems.
  • Avoid moving firewood as this can introduce exotic longhorn beetles.
  • Routine spraying of persistent, broad-spectrum insecticides will help prevent re-infestation of previously affected trees or infestation of unaffected trees.
Show More
more
Become a premium member and read all about it!
Learn how to prevent and treat plant diseases.
distribution

Distribution Map

Habitat

Forests, freshwater wetlands, marshes, mountain slopes, secondary forests, riparian habitats
distribution map
Native
Cultivated
Invasive
Potentially invasive
Exotic
No species reported
habit
plant_info

More Info

Bloom Time
Bloom Time
Summer, Fall, Winter
Leaf Color
Leaf Color
Green
Blue

Name story

Traveller's palm
The plant has been granted the name "traveller's palm" because the sheaths of the stems collect rainwater which could be used as an emergency water supply for travelers. However, the collected water turns murky, black and smelly. It is not recommended to consume it without purification.

Symbolism

Immortality

Usages

Garden Use
Traveller's palm is quite common in public and commercial areas, though it's not very popular in home gardens. The sheer size of traveller's palm makes it difficult to manage in smaller settings. When given ample space to grow, however, and with a backdrop of blue sky (rather than buildings or other trees), this "palm" can truly shine. Typically, this plant is grown alone as a specimen piece, but smaller specimens can be grown in containers.
other_plant

Related Plants

Beggar's lice
Beggar's lice
Beggar's lice has small white flowers that bloom in mid-summer. The common name comes from the seeds of this plant, which are burrs and are very sticky. These burrs are extremely small and are very difficult to remove from clothing and pet fur. This method of seed dispersal is very effective for this plant, and if caught on clothing often times the entire seed stem, or even the whole plant will come out of the ground.
Bloom Time
Summer
Beach spider lily
Beach spider lily
Beach spider lily (Hymenocallis littoralis) is a bulbous perennial plant native to the south and eastern United States, Mexico, Central America, and South America. Beach spider lily has a distinctive appearance and is often cultivated for ornamental eye-catching displays.
Bloom Time
Early Summer,Mid Summer,Late Summer
Moreton bay fig
Moreton bay fig
Moreton bay fig (Ficus macrophylla) Is an evergreen tree and one of the largest cultivated fig trees that will grow from 23 - 55 m tall and 21 - 40 m wide. Known to live for more than 150 years, this tree grows an average of 91 cm per year. Blooms in summer, but flowers are inconspicuous. Produces edible figs that turn purple as they ripen in fall. Thrives in full sun and requires ample growing space.
Bloom Time
Spring, Summer, Autumn
Garden Usage
Plants of genus Ficus are often used in arbors and shrubs, as it usually grows large. If it is planted in a garden, choose a wide plot to give it enough space. It can also be planted in a flowerpot and maintained indoors at early stages, and transplanted to a garden later on. Its attractive green leaves require a warm, humid environment; we consider it a medium level difficulty plant to care.
Red maple
Red maple
The red maple is a common North American tree with distinctive red leaves and flower buds. Its sap can be made into maple syrup and the wood is good for furniture. Though non-toxic to humans, the leaves are very toxic to horses. According to the U.S. Forest Service, red maple is the most common tree in eastern North America.
Bloom Time
Spring
Garden Usage
The Maple is a plant of the genus Acer. The red maple is mainly used as a landscape tree because of its beautiful leaf color changes and elegant shape. The leaf color can change dramatically; colors include yellow, green, red, orange, pink, and purple. The red maple is often used as a garden shrub or as a potted plant.
Cotton fruit
Cotton fruit
Cotton fruit is a fast-growing fruit tree. It is commonly cultivated and the popular fruits are widely seasonally available in both local and international markets. There are two varieties that produce either yellow or red fruits. These varieties were once thought to be two distinct species. The fruit has various uses in Asian cuisine, however, care should be taken not to swallow the whole seeds for the risk of intestinal obstruction and perforation.
Bloom Time
Mid winter, Late winter, Early spring
Princess flower
Princess flower
The princess flower is native to Brazil and grows best in sunny areas. It has a wide reach when growing, and can be trained to "climb" up trellises or other upright structures. Its leaves are hairy to the touch.
Bloom Time
Summer, autumn
View More Plants more
close
product icon
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
product icon
Premium membership for No 1 mobile plant app 'PictureThis'
Continue reading all contents with a PictureThis membership
No need to pay if you cancel the subscription at least a day before the 7-day free trial ends
Sorry, the website is being upgraded and does not support purchases at the moment.
About
Care Guide
Care FAQ
Pests & Diseases
Distribution
More Info
Related Plants
Related Articles
Traveller's palm
Traveller's palm
Traveller's palm
Traveller's palm
Traveller's palm
Traveller's palm
Add to My Garden
Traveller's palm
Ravenala madagascariensis
Also known as: Madagascar traveller's tree
Sunlight
Full sun
Sunlight
care guide

Care Guide for Traveller's palm

Water
Water
Traveller's palm likes moisture but does not like to sit in water, so its soil should be well-draining. Water as needed to ensure that the soil is evenly moist but not waterlogged. If the top 1 inch - 2 inches of soil is dry, feel free to give your plant a good soak. If the soil steel feels moist to the touch, it does not need water just yet.
Fertilization
Fertilization
Although traveller's palm has been known to survive in less than optimal conditions, a faster growing and healthier plant will result from feeding your traveller's palm with a nitrogen rich fertilizer. Feed should be applied once in spring, summer, and autumn.
Soil
Soil
Sand, Sandy loam, Acidic, Neutral
Sunlight
Sunlight
Full sun, Partial sun
Hardiness Zones
Hardiness Zones
10 - 13
buy vip bg
Tips, advice, and instructions for over 13,000 species that you will find nowhere else
cover
Traveller's palm
Ravenala madagascariensis
Hardiness Zones
Hardiness Zones
10 - 13
close
bg bg
download btn
Download
question

Questions About Traveller's palm

Watering Watering Watering
Pruning Pruning Pruning
Temperature Temperature Temperature
How Much to Water Traveller's palm?
more
Free
How Often to Water Traveller's palm?
more
Free
How to Water Traveller's palm at Different Growth Stages?
more
Free
How to Water Traveller's palm Through the Seasons?
more
lock
What Is the Best Way to Water the Traveller's palm?
more
lock
Show More more
buy vip bg
You’ve got questions. We’ve got answers.
Let us help take all the guesswork out of your gardening.
pests

Common Pests & Diseases

Common issues for Traveller's palm based on 10 million real cases
Anthracnose
Anthracnose  Anthracnose  Anthracnose
Anthracnose causes grey-brown spots with black margins on leaves and stems.
Solutions: For less serious cases when only a few leaves are affected, complete the following: Prune affected leaves. Using pruning shears, remove leaves that have spots. Dispose of these leaves to avoid spreading the disease to other plants. Clear debris. To stop the spread of disease, remove debris and weeds from around plants. For serious cases when many leaves are infected with large splotches: Apply a fungicide. Fungicides won't cure current infections, but they will prevent anthracnose from spreading to uninfected tissue. Apply a fungicide before a dry period following product instructions. Products containing copper diammonia diacetate are most likely to be effective.
Learn More more
Underwatering
Underwatering  Underwatering  Underwatering
Leaves may wilt for a variety of reasons.
Solutions: The easiest (and most obvious) way to address underwatering is to fully hydrate the plant. However, this must be done carefully. A common mistake that many gardeners make is to douse their underwatered plants with water. This can overwhelm the roots of the plant and shock its system, something that can be even more damaging than the lack of water to begin with. Instead, water thoroughly and slowly, taking breaks to let the water slowly saturate through the soil to get to the roots. Use room temperature water, as cold water might be too much of a shock. In the future, shorten the time between waterings. A good rule of thumb is to check the soil around each plant daily. If it’s dry to at least two inches down, it’s time to water. If a container plant is repeatedly drying out very quickly, repotting into a slower-draining container might be a good idea, too.
Learn More more
Longhorn beetles
Longhorn beetles  Longhorn beetles  Longhorn beetles
The longhorn beetle is a medium- to large-sized insect with very long antennae and strong jaws. Both its adult and larval stages gnaw on tree trunks, leaving small, round holes.
Solutions: Some longhorn beetles species are native insects, and they cause little damage. Therefore, these don't warrant control. Other longhorn beetles species are invasive pests that were recently introduced from other areas. These species can cause a great deal of damage to hardwood trees. Apply an insecticide containing imidacloprid as a soil injection or trunk injection following product instructions. This will enter into new grow and kill adults who feed on foliage. This will not help save trees that are already infested with large amounts of larvae, but it will save trees located near an infested tree. Contact an arborist for best control practices regarding infected trees. To properly control longhorn beetles, all host plants in a given area must be treated. Contact a local extension agent or state agency. Tracking the spread of longhorn beetles is a key component of their control.
Learn More more
buy vip bg
Keep your leafy friends healthy and happy.
Diagnose your plant, and learn how to prevent and treat plant diseases.
close
Anthracnose
plant poor
Anthracnose
Anthracnose causes grey-brown spots with black margins on leaves and stems.
Overview
Overview
Anthracnose is a group of fungal diseases that affects foliage, twigs, and stems. It can affect a wide variety of plants including trees, shrubs, vegetables, grasses, and flowers and is most likely to occur in cool, wet conditions. It often occurs in the spring when rain splashes on overwintering fungi.
Some varieties of plants are bred to be resistant to anthracnose. If plants are not resistant, they can become infected year after year. Plants can also recover from infection only to be reinfected later that year.
In most cases, anthracnose only causes minor damage. However, young plants are susceptible to major damage. In the worst-case scenarios, this disease can cause major defoliation.
Symptom Analysis
Symptom Analysis
Plant leaves will show gray or brown blotches that may be surrounded by black edges. Blotches may be only one small spot or many spots that cover an entire leaf. If these symptoms progress, leaves may drop prematurely.
Anthracnose can also cause small lesions on twigs and stems. These often appear as brown, gray, or orange blisters. If left untreated, twigs may drop.
Disease Cause
Disease Cause
Anthracnose is caused by one of several possible fungi. These pathogens overwinter on plant debris. When water hits these fungi in the spring, spores release and land on plant tissue. When the spores germinate on leaf or twig tissue, they cause anthracnose symptoms.
These fungi need moist conditions to live. Therefore, they will not be a problem in dry conditions.
Solutions
Solutions
For less serious cases when only a few leaves are affected, complete the following:
  • Prune affected leaves. Using pruning shears, remove leaves that have spots. Dispose of these leaves to avoid spreading the disease to other plants.
  • Clear debris. To stop the spread of disease, remove debris and weeds from around plants.
For serious cases when many leaves are infected with large splotches:
  • Apply a fungicide. Fungicides won't cure current infections, but they will prevent anthracnose from spreading to uninfected tissue. Apply a fungicide before a dry period following product instructions. Products containing copper diammonia diacetate are most likely to be effective.
Prevention
Prevention
Since anthracnose is difficult to treat once it appears, it's important to prevent it from infecting your plants.
  • Remove debris. Clear all old plant material and weeds from under and around plants in the fall. This material can harbor anthracnose spores that will later infect plants.
  • Select resistant varieties. When adding new plants, choose varieties that are resistant to anthracnose.
  • Increase airflow. Anthracnose thrives in wet conditions, so space plants far enough apart to allow for good airflow.
  • Avoid overhead irrigation. To keep plant tissue dry, avoid using overhead irrigation. Instead, water at the base of plants or install drip irrigation.
  • Use a preventative fungicide. If there is a reason to suspect future anthracnose outbreaks, apply a fungicide in the early spring.
Show More
more
Become a premium member and read all about it!
Learn how to prevent and treat plant diseases.
close
Underwatering
plant poor
Underwatering
Leaves may wilt for a variety of reasons.
Overview
Overview
Underwatering plants is one of the quickest ways to kill them. This is something that most gardeners are well aware of. Unfortunately, knowing exactly how much water a plant needs can be tricky, especially considering that underwatering and overwatering present similar symptoms in plants.
Therefore, it’s important to be vigilant and attentive to each plants’ individual needs.
Symptom Analysis
Symptom Analysis
As mentioned earlier, overwatering and underwatering present similar symptoms in plants. These symptoms include poor growth, wilted leaves, defoliation, and brown leaf tips or margins. Ultimately, both underwatering and overwatering can lead to the death of a plant.
The easiest way to determine whether a plant has too much water or too little is to look at the leaves. If underwatering is the culprit, the leaves will look brown and crunchy, while if it’s overwatering, they will appear yellow or a pale green in color.
When this issue first begins, there may be no noticeable symptoms at all, particularly in hardy or drought-tolerant plants. However, they will begin to wilt once they start suffering from a lack of water. The edges of the plant’s leaves will become brown or curled. Soil pulling away from the edges of the planter is a telltale sign, or a crispy, brittle stem.
Prolonged underwatering can cause a plant’s growth to become stunted. The leaves might drop and the plant can be more susceptible to pest infestations, too.
Disease Cause
Disease Cause
Underwatering is caused by, quite simply, not watering plants often or deeply enough. There is a heightened risk of underwatering if any of these situations apply:
  • Extreme heat and dry weather (when growing outdoors)
  • Grow lights or indoor lighting that is too bright or intense for the type of plant
  • Using fast-draining growing media such as sand
Solutions
Solutions
The easiest (and most obvious) way to address underwatering is to fully hydrate the plant. However, this must be done carefully. A common mistake that many gardeners make is to douse their underwatered plants with water. This can overwhelm the roots of the plant and shock its system, something that can be even more damaging than the lack of water to begin with.
Instead, water thoroughly and slowly, taking breaks to let the water slowly saturate through the soil to get to the roots. Use room temperature water, as cold water might be too much of a shock.
In the future, shorten the time between waterings. A good rule of thumb is to check the soil around each plant daily. If it’s dry to at least two inches down, it’s time to water. If a container plant is repeatedly drying out very quickly, repotting into a slower-draining container might be a good idea, too.
Prevention
Prevention
Always check the soil before watering. If the top inch of soil feels moist, though not wet, the watering is perfect. If it’s dry, water it immediately. If it feels soggy, you avoid watering until it dries out a bit more.
Also, make sure the lighting is sufficient for the species. Plants grow faster and need more water when there is intense light or lots of heat. Being aware of these conditions and modifying them, if possible, is a good way to prevent underwatering. Many container plants are potted in soil mixtures mean to be well-draining. Adding materials that retain moisture, like compost or peat moss, can also prevent these symptoms.
Other tips to prevent underwatering include:
  • Choose pots with adequately-sized drainage holes
  • Avoid warm temperatures
  • Use large pots with additional soil (these take longer to dry out)
  • Avoid terracotta pots, which lose water quickly
Show More
more
Become a premium member and read all about it!
Learn how to prevent and treat plant diseases.
close
Longhorn beetles
plant poor
Longhorn beetles
The longhorn beetle is a medium- to large-sized insect with very long antennae and strong jaws. Both its adult and larval stages gnaw on tree trunks, leaving small, round holes.
Overview
Overview
Longhorn beetles are characterized by extremely long antennae which are often as long as, or longer, than the beetle's body. Adult longhorn beetles vary in size, shape, and coloration, depending upon the species. They may be 6 - 76 mm long. The larvae are worm-like with a wrinkled, white to yellowish body and a brown head.
Longhorn beetles are active throughout the year, but adults are most active in the summer and fall. Larvae feed on wood throughout the year.
Both larvae and adults feed on woody tissue. Some of the most susceptible species include ash, birch, elm, poplar, and willow.
If left untreated, longhorn beetles can kill trees.
Symptom Analysis
Symptom Analysis
Longhorn beetles are attracted to wounded, dying, or freshly-cut hardwood trees. Adults lay their eggs in the spring, summer, and fall on the bark of greenwood. There may be sap around egg-laying sites.
Once the eggs hatch, larvae called round-headed borers burrow into the trunk to feed. They may tunnel for one to three years depending on the wood's nutritional content. As the larvae feed, they release sawdust-like frass at the base of the tree.
Eventually, the larvae turn into pupae and then adults. When the adults emerge, they leave 1 cm holes in the bark on their way out. Adults feed on leaves, bark, and shoots of trees before laying eggs.
After a few years of being fed upon by longhorn beetles, a tree will begin losing leaves. Eventually, it will die.
Solutions
Solutions
Some longhorn beetles species are native insects, and they cause little damage. Therefore, these don't warrant control.
Other longhorn beetles species are invasive pests that were recently introduced from other areas. These species can cause a great deal of damage to hardwood trees.
  • Apply an insecticide containing imidacloprid as a soil injection or trunk injection following product instructions. This will enter into new grow and kill adults who feed on foliage. This will not help save trees that are already infested with large amounts of larvae, but it will save trees located near an infested tree.
  • Contact an arborist for best control practices regarding infected trees.
  • To properly control longhorn beetles, all host plants in a given area must be treated.
  • Contact a local extension agent or state agency. Tracking the spread of longhorn beetles is a key component of their control.
Prevention
Prevention
  • Keeping trees healthy, uninjured, and unstressed will help prevent beetle infestation. Water trees appropriately, giving neither too much nor too little.
  • Check with local tree companies about which tree species have fewer problems.
  • Avoid moving firewood as this can introduce exotic longhorn beetles.
  • Routine spraying of persistent, broad-spectrum insecticides will help prevent re-infestation of previously affected trees or infestation of unaffected trees.
Show More
more
Become a premium member and read all about it!
Learn how to prevent and treat plant diseases.
distribution

Distribution Map

Habitat

Forests, freshwater wetlands, marshes, mountain slopes, secondary forests, riparian habitats

Map

distribution map
Native
Cultivated
Invasive
Potentially invasive
Exotic
No species reported
plant_info

More Info

Bloom Time
Bloom Time
Summer, Fall, Winter
Leaf Color
Leaf Color
Green
Blue

Name story

Traveller's palm
The plant has been granted the name "traveller's palm" because the sheaths of the stems collect rainwater which could be used as an emergency water supply for travelers. However, the collected water turns murky, black and smelly. It is not recommended to consume it without purification.

Symbolism

Immortality

Usages

Garden Use
Traveller's palm is quite common in public and commercial areas, though it's not very popular in home gardens. The sheer size of traveller's palm makes it difficult to manage in smaller settings. When given ample space to grow, however, and with a backdrop of blue sky (rather than buildings or other trees), this "palm" can truly shine. Typically, this plant is grown alone as a specimen piece, but smaller specimens can be grown in containers.
article

Related Articles

Best Perennial Plant to Grow
# Useful Tips
Best Perennial Plant to Grow
Best Perennial Plant to Grow
# Useful Tips
Best Perennial Plant to Grow
Most Common Treelike
# Useful Tips
Most Common Treelike
Discover more articles?
Read More
close
product icon
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
product icon
Premium membership for No 1 mobile plant app 'PictureThis'
Continue reading all contents with a PictureThis membership
No need to pay if you cancel the subscription at least a day before the 7-day free trial ends
Sorry, the website is being upgraded and does not support purchases at the moment.
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
Download