PictureThis
camera identify
Use App
tab list
Home Identify 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
Get App
This page looks better in the app
about about
About
care_guide care_guide
Care Guide
topic topic
Care FAQ
plant_info plant_info
More Info
pests pests
Pests & Diseases
distribution_map distribution_map
Distribution
care_scenes care_scenes
More About How-Tos
more_plants more_plants
Related Plants
pic top
Blue trumpet vine
Blue trumpet vine
Blue trumpet vine
Blue trumpet vine
Blue trumpet vine
Blue trumpet vine
Blue trumpet vine
Thunbergia grandiflora
Also known as : Skyflower, Skyvine, Bengal trumpet, Blue Sky Vine, Green Trumpet Vine, Large-flowered thunbergia
Blue trumpet vine (Thunbergia grandiflora) is an evergreen vine native to China, India, and Mainland Southeast Asia. It is often cultivated as a houseplant in environments with temperate climates and widely naturalized. In Australia, it is considered to be a serious environmental weed.
Water
Water
Every week
Sunlight
Sunlight
Full sun
more
care guide

Care Guide for Blue trumpet vine

Watering Care
Watering Care
Average water needs, watering when the top 3 cm of soil has dried out.
Details on Watering Care Watering Care
Fertilizing Care
Fertilizing Care
Fertilization once every 2-3 months during the growing season.
Details on Fertilizing Care Fertilizing Care
Pruning
Pruning
Trim the diseased, withered leaves once a month.
Details on Pruning Pruning
Soil Care
Soil Care
Loam, Sand, Chalky, Clay, Sandy loam, Neutral
Details on Soil Care Soil Care
Repotting
Repotting
Needs excellent drainage in pots.
Details on Repotting Repotting
care guide bg
Know the light your plants really get.
Find the best spots for them to optimize their health, simply using your phone.
Download the App
Picture This
A Botanist in Your Pocket
qrcode
Scan QR code to download
label
cover
Blue trumpet vine
Water
Water
Every week
Sunlight
Sunlight
Full sun
Hardiness Zones
Hardiness Zones
10 to 12
Planting Time
Planting Time
Spring, Fall
question

Questions About Blue trumpet vine

Watering Watering Watering
Pruning Pruning Pruning
Sunlight Sunlight Sunlight
Temperature Temperature Temperature
Fertilizing Fertilizing Fertilizing
What is the best way to water my Blue trumpet vine?
When watering the Blue trumpet vine, 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 Blue trumpet vine 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
What should I do if I water my Blue trumpet vine too much or too little?
Both overwatering and underwatering will be detrimental to the health of your Blue trumpet vine, 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 Blue trumpet vine, 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 Blue trumpet vine have become brittle and brown.
It is crucial that you notice the signs of overwatering as soon as possible when caring for your Blue trumpet vine. 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 Blue trumpet vine 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 Blue trumpet vine is receiving too little water, all you need to do is water more regularly until those signs have subsided.
Read More more
How often should I water my Blue trumpet vine?
If your plant is in a pot. The most precise way to decide whether your Blue trumpet vine 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 Blue trumpet vine 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 Blue trumpet vine can show an admirable ability to withstand drought.
Read More more
How much water does my Blue trumpet vine need?
When it comes time to water your Blue trumpet vine, 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
How should I water my Blue trumpet vine at different growth stages?
The water needs of the Blue trumpet vine can change depending on growth stages as well. For example, when your Blue trumpet vine 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 Blue trumpet vine 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 Blue trumpet vine 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 Blue trumpet vine more water at this time.
Read More more
How should I water my Blue trumpet vine through the seasons?
The Blue trumpet vine 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 Blue trumpet vine will contract a disease.
Read More more
What's the difference between watering my Blue trumpet vine indoors and outdoors?
It is most common to grow the Blue trumpet vine 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 Blue trumpet vine 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 Blue trumpet vine 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
icon
Get tips and tricks for your plants.
Keep your plants happy and healthy with our guide to watering, lighting, feeding and more.
close
plant_info

Key Facts About Blue trumpet vine

Attributes of Blue trumpet vine

Lifespan
Perennial
Plant Type
Vine, Herb
Planting Time
Spring, Fall
Bloom Time
Mid summer, Late summer, Fall
Harvest Time
Summer, Early fall
Plant Height
20 m
Spread
1 m
Leaf Color
Green
Flower Size
7 cm
Flower Color
Blue
White
Purple
Yellow
Fruit Color
White
Stem Color
Green
Dormancy
Non-dormant
Leaf type
Evergreen
Pollinators
Bees, Hummingbirds

Name story

Bengal clockvine
Blue trumpet vine has earned its common name for its twining habit. The interesting vine will climb around poles and supports in a clockwise direction. The Latin name, Thunbergia grandiflora, was declared in honor of the Swedish Botanist Carl Peter Thurnberg. The specific epithet means large flowered.

Symbolism

A fresh start, referring to the beginning of autumn

Usages

Garden Use
This lush and exquisitely flowering vine is a wonderful fit for cottage gardens, informal gardens, and Mediterranean gardens. A vigorous climber, blue trumpet vine requires support such as arbors and trellises, but also makes a pretty decorative over yard fences and walls. However, check your local agriculture and horticulture resources before planting, because it is listed as invasive in several tropical and subtropical parts of the world.

Scientific Classification of Blue trumpet vine

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

Common Pests & Diseases About Blue trumpet vine

Common issues for Blue trumpet vine based on 10 million real cases
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.
Brown spot
Brown spot Brown spot
Brown spot
This infection can cause brown spots or patches to appear on the plant.
Solutions: In minor cases of brown spot, there isn’t any need to treat the disease. However, if much of the foliage is affected and defoliation occurs, the plant will benefit from getting rid of the infection. It is recommended to start by applying organic treatment options, working up to the more potent synthetic, chemical fungicides if necessary. Organic options won’t kill the fungus, but will prevent it from spreading. Dissolve ½ teaspoon of baking soda and one teaspoon of liquid soap in a gallon of water. Using a spray bottle, spray on tops and bottoms of leaves until the mixture drips off. Repeat every two weeks until existing spots stop enlarging and new spots no longer appear. Spray a copper-based fungicidal soap on the leaves, coating the top and bottom leaf surfaces. Reapply as directed on the product label. Copper penetrates the leaf surface and prevents germination of spores so the fungus cannot spread. Apply an all-purpose fungicide to the entire plant, following the label instructions carefully.
Wilting after blooming
Wilting after blooming Wilting after blooming
Wilting after blooming
Flowers may wither for a variety of reasons.
Solutions: Check the soil or potting medium. Coarse textures can allow water to drain too rapidly, preventing the plant from taking up enough. If the soil and roots seem very dry, add sphagnum moss or other mediums that hold water. Water according to recommendations for each plant's species. Low humidity can be corrected by misting the plant regularly or placing it near a humidifier. Keeping it near other plants helps, too. Keep the environment consistent in terms of temperature, humidity, and lighting. Keep it away from vents, heaters, and air conditioners, and avoid moving it to locations where it will experience a temperature shock. Hot, dry heat, and cold drafts are problematic for many plants. Especially if the plant is outside, it could be experiencing heat or light stress. Try moving it to a shadier location.
Iron deficiency
Iron deficiency Iron deficiency
Iron deficiency
An iron deficiency can cause yellowing of the leaves, but the veins will remain green and clear.
Solutions: Here's what to do to remedy an iron deficiency in plants: Utilize a fertilizer that has iron. This is the most direct method of addressing iron deficiency. Fertilizer can be incorporated into the soil, or, to see even quicker results, use a foliar spray that includes iron. This is particularly useful for plants grown in containers. Add organic material. Often iron deficiency is not due to a lack of iron present in the soil. Rather, a deficiency occurs because iron is not available in a form that plants can take up. Adding organic material, such as compost, can remedy this. Rich organic material contains micronutrients that can help plants better absorb iron. Adding organic matter to the soil also helps to lower the pH and adds more acidity. Test the soil's pH. Overly alkaline soils can cause iron deficiencies in many plants. Adding sulfur, or another substance that reduces alkalinity, may help if the soil is too alkaline.
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.
Scars
Scars Scars
Scars
Any light-colored markings that appear on stems but which do not enlarge or multiply are simply scars that have healed.
Solutions: Each source of scarring requires a different approach to help your plant recover. Protect the trunk and leaves from physical damage like scrapes. If pests or disease are the cause of scarring, isolate the plant from others to avoid further spread. Some pests can be removed with organic remedies such as a soft cloth and soapy water solution or diluted isopropyl alcohol spray. Stop sunburn by moving your plant away from direct sunlight and making sure it has the water it needs. Frequent leaf or bud loss may be due to insufficient light or nutrients.
icon
Treat and prevent plant diseases.
AI-powered plant doctor helps you diagnose plant problems in seconds.
close
Flower withering
plant poor
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.
Continue reading in our app - it's better
A database of 400000+ plants and unlimited guides at your fingertips...
qrcode
Scan the QR code with your phone camera to download the app
Brown spot
plant poor
Brown spot
This infection can cause brown spots or patches to appear on the plant.
Overview
Overview
Discolored spots on the foliage of plants are one of the most common disease problems people observe. These spots are caused by fungal and bacterial diseases, with most infections related to a fungal pathogen.
Brown spot can occurs on all houseplants, flowering ornamentals, vegetable plants, and leaves of trees, bushes, and shrubs. No plants are resistant to it, and the problem is worse in warm, wet environments. It can occur at any point in the life stage as long as leaves are present.
Small brownish spots appear on the foliage and enlarge as the disease progresses. In severe cases, the plant or tree is weakened when the lesions interrupt photosynthesis or cause defoliation.
Symptom Analysis
Symptom Analysis
In most cases, brown spot only affects a small percentage of the whole plant, appearing on a small amount of the leaves. A small infection only puts minor stress on the plant. However, if left untreated and the disease progresses over numerous seasons, it will severely impact the health and productivity of the infected specimen.
  • Sporulation begins (reproduction of the fungal spores), and tiny spots appear on leaves.
  • Placement is often random and scattered as diseases are spread through raindrops.
  • May appear on lower leaves and the interior of the plant where humidity is higher.
  • Brown spots enlarge and grow large enough to touch neighboring spots to form a more prominent blotch.
  • Leaf margins may turn yellow.
  • Tiny black dots (fruiting bodies of the fungi) appear in the dead spots.
  • Blotches grow in size until the entire leaf is brown.
  • The leaf falls off the plant.
Severe Symptoms
  • Partial or complete premature defoliation
  • Reduced growth
  • Increased susceptibility to pests and other diseases
Disease Cause
Disease Cause
Brown spot, or leaf spot, is a common descriptive term given to several diseases affecting the leaves of plants and trees. Around 85% of diseases exhibiting leaf spots are due to fungus or fungus-like organisms. Sometimes brown spot is caused by a bacterial infection, or insect activity with similar symptoms.
When conditions are warm and the leaf surfaces are wet, fungal spores being transported by wind or rain land on the surface and cling to it. They do not rupture the cell walls but grow in the space between the plant plasma membrane and the plant cell wall. As the spores reproduce, they release toxins and enzymes that cause necrotic spots (i.e., dead tissue) on the leaves, allowing the fungi to consume the products released when the cells degrade.
Continue reading in our app - it's better
A database of 400000+ plants and unlimited guides at your fingertips...
qrcode
Scan the QR code with your phone camera to download the app
Wilting after blooming
plant poor
Wilting after blooming
Flowers may wither for a variety of reasons.
Overview
Overview
Wilting after blooming is sometimes a natural aging process of the flower, while other times it may indicate a problem. Orchids, for example, can bloom for anywhere from two weeks to three months, so wilting after a few days signals a problem for most varieties. This can happen to virtually any ornamental flowering plant, but those with shallow roots and limited tolerance for drought, full sun, and low humidity are more susceptible.
This is a common problem, and often has an easy fix. Sometimes, however, it is the result of more serious causes such as pests or disease of the root system.
Symptom Analysis
Symptom Analysis
  • At first, flowers may look a little limp.
  • Petals may start to appear dried out and turn brown.
  • Eventually they may drop off the plant all together.
Disease Cause
Disease Cause
Wilting blooms can be a sign of an unhealthy root system. Any condition that prevents the plant from absorbing enough water and nutrition can result in wilting blooms and sometimes other symptoms. If the plant doesn’t have enough water, it cannot maintain appropriate pressure within stems, leaves, and blooms, causing them to wilt.
This can result from physical damage – for example from root breakage during re-potting or attack by insects like cutworms. If you recently re-potted your plant, physical damage to the roots is a likely cause. If you see insects, they may be eating leaves, roots, or flowers. Fungal infections can also cause root rot and damage, preventing water and nutrient uptake.
Finally, wilting blooms can result simply from age. If no other symptoms are visible, it may simply signal the natural end of the flower’s lifespan. If it seems premature, this may be caused by environmental factors: water, humidity, light, or stress. Under-watering is a common cause. Similarly, plants adapted to high humidity dry out easily when humidity is low, like during winter or in dry climates. Too much light can also stress plants that need shade, causing blooms to wilt.
Continue reading in our app - it's better
A database of 400000+ plants and unlimited guides at your fingertips...
qrcode
Scan the QR code with your phone camera to download the app
Iron deficiency
plant poor
Iron deficiency
An iron deficiency can cause yellowing of the leaves, but the veins will remain green and clear.
Overview
Overview
Iron is an important nutrient that all plants need to produce chlorophyll. Chlorophyll gives plants their green color. Therefore, plants with an iron deficiency will often develop yellowing leaves, with only the veins remaining green. Iron deficiencies in the soil are often caused by leaching as a direct result of excessive rainfall or irrigation.
An iron deficiency is easy to diagnose and treat by giving plants an extra dose of iron in a soluble form. The plant can also be sprayed with a solution containing iron, and noticeable results should be seen within a week or two.
Symptom Analysis
Symptom Analysis
Iron deficiency symptoms appear on leaves of mature plants. These leaves lose their green color, although the veins may remain green.
Young leaves and new growth appear bleached and may be stunted.
Disease Cause
Disease Cause
Iron deficiency is caused by a lack of available iron in the soil. This could be from leaching through excess rainfall or from too much irrigation.
It can also be a symptom of plants growing in soils that are highly alkaline or have a high pH level. This is because alkaline soils bind up the iron, making it unavailable to the plant roots.
Continue reading in our app - it's better
A database of 400000+ plants and unlimited guides at your fingertips...
qrcode
Scan the QR code with your phone camera to download the app
Underwatering
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
Continue reading in our app - it's better
A database of 400000+ plants and unlimited guides at your fingertips...
qrcode
Scan the QR code with your phone camera to download the app
Scars
plant poor
Scars
Any light-colored markings that appear on stems but which do not enlarge or multiply are simply scars that have healed.
Symptom Analysis
Symptom Analysis
Scars form when the plant repairs wounds. They can be the result of people or pets passing by and scraping the plant. Once the underlying issue is resolved, the plant will heal but a scar may remain.
Pests and pathogens can also cause scarring. Insects may attack the plant for a meal, resulting in extensive scarring when a few invaders turn into an infestation. Diseases such as fungus and bacteria can weaken the plant, causing brown spots, mushy areas, or blisters that lead to scars.
Scars occur on stems when a leaf or bud has been lost and the plant has healed. The harder tissue is like a scab that protects a wound.
On other occasions, scars can signal problems from environmental conditions, such as overexposure to sunlight or heat. It might surprise you to know that plants can suffer from sunburn, even desert dwellers like cactus!
Solutions
Solutions
Each source of scarring requires a different approach to help your plant recover.
  1. Protect the trunk and leaves from physical damage like scrapes.
  2. If pests or disease are the cause of scarring, isolate the plant from others to avoid further spread. Some pests can be removed with organic remedies such as a soft cloth and soapy water solution or diluted isopropyl alcohol spray.
  3. Stop sunburn by moving your plant away from direct sunlight and making sure it has the water it needs.
  4. Frequent leaf or bud loss may be due to insufficient light or nutrients.
Prevention
Prevention
Preventing some sources of scarring is easier than others, but all start with careful attention to your plants once you decide to bring them home.
  1. Review specific guidelines for your plant, including soil drainage, watering, and fertilizer requirements.
  2. Inspect plants before planting and use sterile pots and fresh potting soil or media to limit transfer of fungi or bacteria.
  3. Once established, check your plants regularly for signs of scarring or the presence of pests, as it is better to catch problems as early as possible.
Continue reading in our app - it's better
A database of 400000+ plants and unlimited guides at your fingertips...
qrcode
Scan the QR code with your phone camera to download the app
distribution

Distribution of Blue trumpet vine

Habitat of Blue trumpet vine

Thickets
Northern Hemisphere
South Hemisphere

Distribution Map of Blue trumpet vine

distribution map
Native
Cultivated
Invasive
Potentially invasive
Exotic
No species reported
habit
care_scenes

More Info on Blue Trumpet Vine Growth and Care

Basic Care Guide
Explore More
Lighting
Full sun
Blue trumpet vine thrives in a zone where the sun pours in generously for most hours of daylight. It's also capable of flourishing in areas where the sun's rays filter through the canopy during the day. Despite its versatility, inadequate or excessive sun exposure can hamper its growth, evidenced from its natural habitat.
Best Sunlight Practices
Temperature
5 43 ℃
Blue trumpet vine is native to tropical and subtropical regions and prefers temperatures between 68℉ (20℃) and 100℉ (38℃). During the colder months, it may need to be moved indoors or provided with additional heat to maintain proper temperature. In the hottest months, it may benefit from shade or additional watering to prevent heat stress.
Temp for Healthy Growth
Transplant
3-4 feet
The best time to transplant blue trumpet vine is from late spring to early summer, since the plant is stronger and more established. Choose a location with well-draining soil and partial to full sun for optimum growth. Remember to water regularly after transplanting to encourage healthy root development.
Transplant Techniques
Pollination
Easy
During the active blooming season, the Blue trumpet vine (blue trumpet vine) becomes a charming spectacle that lures primary pollinators such as bees and hummingbirds. Its vibrant, sizable blue flowers unfold a mesmerising dance of attraction with its pollen-rich stamens, creating a pollination playground. They effectively seduce these pollinators with delightful nectar and bright color displays, an effective strategy synchronized with their active daytime feed schedule.
Pollination Techniques
Pruning
Spring, Summer, Autumn, Winter
Known for its lush foliage and vibrant blue flowers, blue trumpet vine is a vigorous climbing plant. Prune this species to maintain desired shape and contain its spread, removing dead or diseased wood and trimming overgrown areas. All-season pruning is acceptable but post-blooming offers the best time for substantial cuts to promote new growth. Pruning benefits blue trumpet vine by encouraging healthier, denser foliage and can rejuvenate old vines, ensuring a vivid floral display.
Pruning techniques
Feng shui direction
Northeast
Blue trumpet vine, commonly known as the Blue trumpet vine, exhibits a peculiar blend of Feng Shui harmony when placed in the Northeast direction. This spatial arrangement subtly channels the Wood energy typically associated with nurturing growth and development in one's life. However, interpretations may vary, and personal resonance with the blue trumpet vine is distinctly crucial for embodying the Feng Shui balance.
Fengshui Details
other_plant

Plants Related to Blue trumpet vine

Traveller's palm
Traveller's palm
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.
Swedish ivy
Swedish ivy
Swedish ivy (Plectranthus verticillatus) is a plant species that is also referred to as whorled Plectranthus, creeping Charlie, and Swedish Begonia. The common name swedish ivy is a misnomer because this plant is not native to Sweden, is not a true ivy plant, and does not grow along walls.
Tea rose
Tea rose
The first tea rose was created in 1867 by Jean-Baptiste André Guillot, who operated his father's nursery in Lyon from the age of 14. The tea rose did not become popular until the Rosa hybrida was cultivated at the beginning of the 1900s in France.
Wingpod purslane
Wingpod purslane
Wingpod purslane (Portulaca umbraticola) is a succulent annual plant or short-lived perennial that will grow to 15 cm tall and 61 cm wide. Its flowers vary in color from orange to red to pink. Flowers attract butterflies, bees and moths. Thrives in full sun with regular moisture and well-drained soil. Trim back when it becomes untidy to encourage new growth and flowers.
Queen's wreath
Queen's wreath
Queen's wreath (Petrea volubilis) is an evergreen flowering vine that is native to Central America and is grown in gardens around the world for its ornamental properties. In late spring and early summer, it produces star-like purple flowers. The scientific genus name honors Lord Robert James Petre, a 17th-century British horticulturist.
Moss rose
Moss rose
Moss rose is an ornamental flowering semi-succulent plant native to South America. Gardeners can cultivate this easy-to-grow plant in annual flowerbeds, in containers, or in hanging baskets because of its trailing habit. Different cultivars have been selected and propagated for achieving striking variations in color, shape, and petal number of the flowers.
Cape jasmine
Cape jasmine
Gardenia jasminoides is an evergreen shrub with unique, glossy evergreen leaves and stunning flowers. The sophisticated, matte white flowers are often used in bouquets. The exceptional beauty of this ornamental plant has made it a popular and highly appreciated plant amongst gardeners and horticulturalists.
Golden pothos
Golden pothos
The golden pothos (Epipremnum aureum) is a popular houseplant that is commonly seen in Australia, Asia, and the West Indies. It goes by many nicknames, including "devil's ivy", because it is so hard to kill and can even grow in low light conditions. Golden pothos has poisonous sap, so it should be kept away from pets and children.
View More Plants
close
product icon
Continue reading in our app - it's better
A database of 400000+ plants and unlimited guides at your fingertips...
Your Ultimate Guide to Plants
Identify grow and nurture the better way!
product icon
17,000 local species +400,000 global species studied
product icon
Nearly 5 years of research
product icon
80+ scholars in botany and gardening
ad
ad
Botanist in your pocket
Scan the QR code with your phone camera to download the app
About
Care Guide
Care FAQ
More Info
Pests & Diseases
Distribution
More About How-Tos
Related Plants
Blue trumpet vine
Blue trumpet vine
Blue trumpet vine
Blue trumpet vine
Blue trumpet vine
Blue trumpet vine
Blue trumpet vine
Thunbergia grandiflora
Also known as: Skyflower, Skyvine, Bengal trumpet, Blue Sky Vine, Green Trumpet Vine, Large-flowered thunbergia
Blue trumpet vine (Thunbergia grandiflora) is an evergreen vine native to China, India, and Mainland Southeast Asia. It is often cultivated as a houseplant in environments with temperate climates and widely naturalized. In Australia, it is considered to be a serious environmental weed.
Water
Water
Every week
Sunlight
Sunlight
Full sun
more
question

Questions About Blue trumpet vine

Watering Watering Watering
Pruning Pruning Pruning
Sunlight Sunlight Sunlight
Temperature Temperature Temperature
Fertilizing Fertilizing Fertilizing
What is the best way to water my Blue trumpet vine?
more
What should I do if I water my Blue trumpet vine too much or too little?
more
How often should I water my Blue trumpet vine?
more
How much water does my Blue trumpet vine need?
more
How should I water my Blue trumpet vine at different growth stages?
more
How should I water my Blue trumpet vine through the seasons?
more
What's the difference between watering my Blue trumpet vine indoors and outdoors?
more
icon
Get tips and tricks for your plants.
Keep your plants happy and healthy with our guide to watering, lighting, feeding and more.
Download the App
close
plant_info

Key Facts About Blue trumpet vine

Attributes of Blue trumpet vine

Lifespan
Perennial
Plant Type
Vine, Herb
Planting Time
Spring, Fall
Bloom Time
Mid summer, Late summer, Fall
Harvest Time
Summer, Early fall
Plant Height
20 m
Spread
1 m
Leaf Color
Green
Flower Size
7 cm
Flower Color
Blue
White
Purple
Yellow
Fruit Color
White
Stem Color
Green
Dormancy
Non-dormant
Leaf type
Evergreen
Pollinators
Bees, Hummingbirds
icon
Gain more valuable plant knowledge
Explore a rich botanical encyclopedia for deeper insights
Download the App

Name story

Bengal clockvine
Blue trumpet vine has earned its common name for its twining habit. The interesting vine will climb around poles and supports in a clockwise direction. The Latin name, Thunbergia grandiflora, was declared in honor of the Swedish Botanist Carl Peter Thurnberg. The specific epithet means large flowered.

Symbolism

A fresh start, referring to the beginning of autumn

Usages

Garden Use
This lush and exquisitely flowering vine is a wonderful fit for cottage gardens, informal gardens, and Mediterranean gardens. A vigorous climber, blue trumpet vine requires support such as arbors and trellises, but also makes a pretty decorative over yard fences and walls. However, check your local agriculture and horticulture resources before planting, because it is listed as invasive in several tropical and subtropical parts of the world.

Scientific Classification of Blue trumpet vine

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

Common Pests & Diseases About Blue trumpet vine

Common issues for Blue trumpet vine based on 10 million real cases
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
Brown spot
Brown spot Brown spot Brown spot
This infection can cause brown spots or patches to appear on the plant.
Solutions: In minor cases of brown spot, there isn’t any need to treat the disease. However, if much of the foliage is affected and defoliation occurs, the plant will benefit from getting rid of the infection. It is recommended to start by applying organic treatment options, working up to the more potent synthetic, chemical fungicides if necessary. Organic options won’t kill the fungus, but will prevent it from spreading. Dissolve ½ teaspoon of baking soda and one teaspoon of liquid soap in a gallon of water. Using a spray bottle, spray on tops and bottoms of leaves until the mixture drips off. Repeat every two weeks until existing spots stop enlarging and new spots no longer appear. Spray a copper-based fungicidal soap on the leaves, coating the top and bottom leaf surfaces. Reapply as directed on the product label. Copper penetrates the leaf surface and prevents germination of spores so the fungus cannot spread. Apply an all-purpose fungicide to the entire plant, following the label instructions carefully.
Learn More About the Brown spot more
Wilting after blooming
Wilting after blooming Wilting after blooming Wilting after blooming
Flowers may wither for a variety of reasons.
Solutions: Check the soil or potting medium. Coarse textures can allow water to drain too rapidly, preventing the plant from taking up enough. If the soil and roots seem very dry, add sphagnum moss or other mediums that hold water. Water according to recommendations for each plant's species. Low humidity can be corrected by misting the plant regularly or placing it near a humidifier. Keeping it near other plants helps, too. Keep the environment consistent in terms of temperature, humidity, and lighting. Keep it away from vents, heaters, and air conditioners, and avoid moving it to locations where it will experience a temperature shock. Hot, dry heat, and cold drafts are problematic for many plants. Especially if the plant is outside, it could be experiencing heat or light stress. Try moving it to a shadier location.
Learn More About the Wilting after blooming more
Iron deficiency
Iron deficiency Iron deficiency Iron deficiency
An iron deficiency can cause yellowing of the leaves, but the veins will remain green and clear.
Solutions: Here's what to do to remedy an iron deficiency in plants: Utilize a fertilizer that has iron. This is the most direct method of addressing iron deficiency. Fertilizer can be incorporated into the soil, or, to see even quicker results, use a foliar spray that includes iron. This is particularly useful for plants grown in containers. Add organic material. Often iron deficiency is not due to a lack of iron present in the soil. Rather, a deficiency occurs because iron is not available in a form that plants can take up. Adding organic material, such as compost, can remedy this. Rich organic material contains micronutrients that can help plants better absorb iron. Adding organic matter to the soil also helps to lower the pH and adds more acidity. Test the soil's pH. Overly alkaline soils can cause iron deficiencies in many plants. Adding sulfur, or another substance that reduces alkalinity, may help if the soil is too alkaline.
Learn More About the Iron deficiency 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 About the Underwatering more
Scars
Scars Scars Scars
Any light-colored markings that appear on stems but which do not enlarge or multiply are simply scars that have healed.
Solutions: Each source of scarring requires a different approach to help your plant recover. Protect the trunk and leaves from physical damage like scrapes. If pests or disease are the cause of scarring, isolate the plant from others to avoid further spread. Some pests can be removed with organic remedies such as a soft cloth and soapy water solution or diluted isopropyl alcohol spray. Stop sunburn by moving your plant away from direct sunlight and making sure it has the water it needs. Frequent leaf or bud loss may be due to insufficient light or nutrients.
Learn More About the Scars more
icon
Treat and prevent plant diseases.
AI-powered plant doctor helps you diagnose plant problems in seconds.
Download the App
close
Flower withering
plant poor
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.
Continue reading in our app - it's better
A database of 400000+ plants
unlimited guides at your fingertips...
close
Brown spot
plant poor
Brown spot
This infection can cause brown spots or patches to appear on the plant.
Overview
Overview
Discolored spots on the foliage of plants are one of the most common disease problems people observe. These spots are caused by fungal and bacterial diseases, with most infections related to a fungal pathogen.
Brown spot can occurs on all houseplants, flowering ornamentals, vegetable plants, and leaves of trees, bushes, and shrubs. No plants are resistant to it, and the problem is worse in warm, wet environments. It can occur at any point in the life stage as long as leaves are present.
Small brownish spots appear on the foliage and enlarge as the disease progresses. In severe cases, the plant or tree is weakened when the lesions interrupt photosynthesis or cause defoliation.
Symptom Analysis
Symptom Analysis
In most cases, brown spot only affects a small percentage of the whole plant, appearing on a small amount of the leaves. A small infection only puts minor stress on the plant. However, if left untreated and the disease progresses over numerous seasons, it will severely impact the health and productivity of the infected specimen.
  • Sporulation begins (reproduction of the fungal spores), and tiny spots appear on leaves.
  • Placement is often random and scattered as diseases are spread through raindrops.
  • May appear on lower leaves and the interior of the plant where humidity is higher.
  • Brown spots enlarge and grow large enough to touch neighboring spots to form a more prominent blotch.
  • Leaf margins may turn yellow.
  • Tiny black dots (fruiting bodies of the fungi) appear in the dead spots.
  • Blotches grow in size until the entire leaf is brown.
  • The leaf falls off the plant.
Severe Symptoms
  • Partial or complete premature defoliation
  • Reduced growth
  • Increased susceptibility to pests and other diseases
Disease Cause
Disease Cause
Brown spot, or leaf spot, is a common descriptive term given to several diseases affecting the leaves of plants and trees. Around 85% of diseases exhibiting leaf spots are due to fungus or fungus-like organisms. Sometimes brown spot is caused by a bacterial infection, or insect activity with similar symptoms.
When conditions are warm and the leaf surfaces are wet, fungal spores being transported by wind or rain land on the surface and cling to it. They do not rupture the cell walls but grow in the space between the plant plasma membrane and the plant cell wall. As the spores reproduce, they release toxins and enzymes that cause necrotic spots (i.e., dead tissue) on the leaves, allowing the fungi to consume the products released when the cells degrade.
Solutions
Solutions
In minor cases of brown spot, there isn’t any need to treat the disease. However, if much of the foliage is affected and defoliation occurs, the plant will benefit from getting rid of the infection. It is recommended to start by applying organic treatment options, working up to the more potent synthetic, chemical fungicides if necessary.
Organic options won’t kill the fungus, but will prevent it from spreading.
  1. Dissolve ½ teaspoon of baking soda and one teaspoon of liquid soap in a gallon of water. Using a spray bottle, spray on tops and bottoms of leaves until the mixture drips off. Repeat every two weeks until existing spots stop enlarging and new spots no longer appear.
  2. Spray a copper-based fungicidal soap on the leaves, coating the top and bottom leaf surfaces. Reapply as directed on the product label. Copper penetrates the leaf surface and prevents germination of spores so the fungus cannot spread.
  3. Apply an all-purpose fungicide to the entire plant, following the label instructions carefully.
Prevention
Prevention
Like many other diseases, it is easier to prevent brown spot than cure it, and this is done through cultural practices.
  • Clear fall leaves from the ground before winter to minimize places where fungi and bacteria can overwinter.
  • Maintain good air movement between plants through proper plant spacing.
  • Increase air circulation through the center of plants through pruning.
  • Thoroughly clean all pruning tools after working with diseased plants.
  • Never dispose of disease plant material in a compost pile.
  • Avoid overhead watering to keep moisture off of the foliage.
  • Keep plants healthy by providing adequate sunlight, water, and fertilizer.
Continue reading in our app - it's better
A database of 400000+ plants
unlimited guides at your fingertips...
close
Wilting after blooming
plant poor
Wilting after blooming
Flowers may wither for a variety of reasons.
Overview
Overview
Wilting after blooming is sometimes a natural aging process of the flower, while other times it may indicate a problem. Orchids, for example, can bloom for anywhere from two weeks to three months, so wilting after a few days signals a problem for most varieties. This can happen to virtually any ornamental flowering plant, but those with shallow roots and limited tolerance for drought, full sun, and low humidity are more susceptible.
This is a common problem, and often has an easy fix. Sometimes, however, it is the result of more serious causes such as pests or disease of the root system.
Symptom Analysis
Symptom Analysis
  • At first, flowers may look a little limp.
  • Petals may start to appear dried out and turn brown.
  • Eventually they may drop off the plant all together.
Disease Cause
Disease Cause
Wilting blooms can be a sign of an unhealthy root system. Any condition that prevents the plant from absorbing enough water and nutrition can result in wilting blooms and sometimes other symptoms. If the plant doesn’t have enough water, it cannot maintain appropriate pressure within stems, leaves, and blooms, causing them to wilt.
This can result from physical damage – for example from root breakage during re-potting or attack by insects like cutworms. If you recently re-potted your plant, physical damage to the roots is a likely cause. If you see insects, they may be eating leaves, roots, or flowers. Fungal infections can also cause root rot and damage, preventing water and nutrient uptake.
Finally, wilting blooms can result simply from age. If no other symptoms are visible, it may simply signal the natural end of the flower’s lifespan. If it seems premature, this may be caused by environmental factors: water, humidity, light, or stress. Under-watering is a common cause. Similarly, plants adapted to high humidity dry out easily when humidity is low, like during winter or in dry climates. Too much light can also stress plants that need shade, causing blooms to wilt.
Solutions
Solutions
  • Check the soil or potting medium. Coarse textures can allow water to drain too rapidly, preventing the plant from taking up enough. If the soil and roots seem very dry, add sphagnum moss or other mediums that hold water.
  • Water according to recommendations for each plant's species.
  • Low humidity can be corrected by misting the plant regularly or placing it near a humidifier. Keeping it near other plants helps, too.
  • Keep the environment consistent in terms of temperature, humidity, and lighting. Keep it away from vents, heaters, and air conditioners, and avoid moving it to locations where it will experience a temperature shock. Hot, dry heat, and cold drafts are problematic for many plants.
  • Especially if the plant is outside, it could be experiencing heat or light stress. Try moving it to a shadier location.
Prevention
Prevention
  • Read up on moisture, light, and soil type preferences for each plant to avoid underwatering, incorrect light levels, or other conditions that can cause wilting blooms.
  • Avoid re-potting during the flowering period. This causes additional stress on the plants because they need to repair root damage and adapt to the new micro-environment, all of which can result in wilting.
  • One other potential cause is ethylene gas, a plant hormone related to ripening. Some fruits and vegetables emit ethylene, especially bananas. Apples, grapes, melons, avocados, and potatoes can also give it off, so keep flowering plants away from fresh produce.
Continue reading in our app - it's better
A database of 400000+ plants
unlimited guides at your fingertips...
close
Iron deficiency
plant poor
Iron deficiency
An iron deficiency can cause yellowing of the leaves, but the veins will remain green and clear.
Overview
Overview
Iron is an important nutrient that all plants need to produce chlorophyll. Chlorophyll gives plants their green color. Therefore, plants with an iron deficiency will often develop yellowing leaves, with only the veins remaining green. Iron deficiencies in the soil are often caused by leaching as a direct result of excessive rainfall or irrigation.
An iron deficiency is easy to diagnose and treat by giving plants an extra dose of iron in a soluble form. The plant can also be sprayed with a solution containing iron, and noticeable results should be seen within a week or two.
Symptom Analysis
Symptom Analysis
Iron deficiency symptoms appear on leaves of mature plants. These leaves lose their green color, although the veins may remain green.
Young leaves and new growth appear bleached and may be stunted.
Disease Cause
Disease Cause
Iron deficiency is caused by a lack of available iron in the soil. This could be from leaching through excess rainfall or from too much irrigation.
It can also be a symptom of plants growing in soils that are highly alkaline or have a high pH level. This is because alkaline soils bind up the iron, making it unavailable to the plant roots.
Solutions
Solutions
Here's what to do to remedy an iron deficiency in plants:
  1. Utilize a fertilizer that has iron. This is the most direct method of addressing iron deficiency. Fertilizer can be incorporated into the soil, or, to see even quicker results, use a foliar spray that includes iron. This is particularly useful for plants grown in containers.
  2. Add organic material. Often iron deficiency is not due to a lack of iron present in the soil. Rather, a deficiency occurs because iron is not available in a form that plants can take up. Adding organic material, such as compost, can remedy this. Rich organic material contains micronutrients that can help plants better absorb iron. Adding organic matter to the soil also helps to lower the pH and adds more acidity.
  3. Test the soil's pH. Overly alkaline soils can cause iron deficiencies in many plants. Adding sulfur, or another substance that reduces alkalinity, may help if the soil is too alkaline.
Prevention
Prevention
To help prevent iron deficiency from occurring in the first place, try taking some of these steps:
  1. Use a fertilizer that is high in iron.
  2. Aerate the soil. Compacted soil makes it harder for roots to take up iron, along with a whole host of other nutrients.
  3. Add more organic matter or compost to the soil to both aerate it and lower the pH. Sulfur can also be added to the soil to reduce the alkalinity.
Continue reading in our app - it's better
A database of 400000+ plants
unlimited guides at your fingertips...
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
Continue reading in our app - it's better
A database of 400000+ plants
unlimited guides at your fingertips...
close
Scars
plant poor
Scars
Any light-colored markings that appear on stems but which do not enlarge or multiply are simply scars that have healed.
Symptom Analysis
Symptom Analysis
Scars form when the plant repairs wounds. They can be the result of people or pets passing by and scraping the plant. Once the underlying issue is resolved, the plant will heal but a scar may remain.
Pests and pathogens can also cause scarring. Insects may attack the plant for a meal, resulting in extensive scarring when a few invaders turn into an infestation. Diseases such as fungus and bacteria can weaken the plant, causing brown spots, mushy areas, or blisters that lead to scars.
Scars occur on stems when a leaf or bud has been lost and the plant has healed. The harder tissue is like a scab that protects a wound.
On other occasions, scars can signal problems from environmental conditions, such as overexposure to sunlight or heat. It might surprise you to know that plants can suffer from sunburn, even desert dwellers like cactus!
Solutions
Solutions
Each source of scarring requires a different approach to help your plant recover.
  1. Protect the trunk and leaves from physical damage like scrapes.
  2. If pests or disease are the cause of scarring, isolate the plant from others to avoid further spread. Some pests can be removed with organic remedies such as a soft cloth and soapy water solution or diluted isopropyl alcohol spray.
  3. Stop sunburn by moving your plant away from direct sunlight and making sure it has the water it needs.
  4. Frequent leaf or bud loss may be due to insufficient light or nutrients.
Prevention
Prevention
Preventing some sources of scarring is easier than others, but all start with careful attention to your plants once you decide to bring them home.
  1. Review specific guidelines for your plant, including soil drainage, watering, and fertilizer requirements.
  2. Inspect plants before planting and use sterile pots and fresh potting soil or media to limit transfer of fungi or bacteria.
  3. Once established, check your plants regularly for signs of scarring or the presence of pests, as it is better to catch problems as early as possible.
Continue reading in our app - it's better
A database of 400000+ plants
unlimited guides at your fingertips...
distribution

Distribution of Blue trumpet vine

Habitat of Blue trumpet vine

Thickets
Northern Hemisphere
South Hemisphere

Distribution Map of Blue trumpet vine

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

Plants Related to Blue trumpet vine

product icon close
Your Ultimate Guide to Plants
Identify grow and nurture the better way!
product icon
17,000 local species +400,000 global species studied
product icon
Nearly 5 years of research
product icon
80+ scholars in botany and gardening
ad
product icon close
Continue reading in our app - it's better
A database of 400000+ plants
unlimited guides at your fingertips...
Lighting
close
Indoor
Indoor
Outdoor
Choose a site here for personalized care tips.
Requirements
Full sun
Ideal
Above 6 hours sunlight
Partial sun
Tolerance
About 3-6 hours sunlight
Watch how sunlight gracefully moves through your garden, and choose spots that provide the perfect balance of light and shade for your plants, ensuring their happiness.
Essentials
Blue trumpet vine thrives in a zone where the sun pours in generously for most hours of daylight. It's also capable of flourishing in areas where the sun's rays filter through the canopy during the day. Despite its versatility, inadequate or excessive sun exposure can hamper its growth, evidenced from its natural habitat.
Preferred
Tolerable
Unsuitable
icon
Know the light your plants really get.
Find the best spots for them to optimize their health, simply using your phone.
Download the App
Artificial lighting
Indoor plants require adequate lighting for optimal growth. When natural sunlight is insufficient, particularly in winter or in less sunny spaces, artificial lights offer a vital solution, promoting faster, healthier growth.
View more
Indoor plants require adequate lighting for optimal growth. When natural sunlight is insufficient, particularly in winter or in less sunny spaces, artificial lights offer a vital solution, promoting faster, healthier growth.
1. Choose the right type of artificial light: LED lights are a popular choice for indoor plant lighting because they can be customized to provide the specific wavelengths of light that your plants need.
Full sun plants need 30-50W/sq ft of artificial light, partial sun plants need 20-30W/sq ft, and full shade plants need 10-20W/sq ft.
2. Determine the appropriate distance: Place the light source 12-36 inches above the plant to mimic natural sunlight.
3. Determine the duration: Mimic the length of natural daylight hours for your plant species. most plants need 8-12 hours of light per day.
Important Symptoms
Insufficient light
Blue trumpet vine thrives in full sunlight but is often cultivated indoors during winter due to sensitivity to cold. This increases the chance of being placed in rooms with inadequate lighting, leading to noticeable symptoms of light deficiency.
View more
(Symptom details and solutions)
Small leaves
New leaves may grow smaller in size compared to the previous ones once they have matured.
Leggy or sparse growth
The spaces between leaves or stems of your blue trumpet vine 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
Blue trumpet vine enters a survival mode when light conditions are poor, which leads to a halt in leaf production. As a result, the plant's growth becomes delayed or stops altogether.
Lighter-colored new leaves
Insufficient sunlight can cause leaves to develop irregular color patterns or appear pale. This indicates a lack of chlorophyll and essential nutrients.
Solutions
1. To ensure optimal growth, gradually move plants to a sunnier location each week, until they receive at least 6 hours of direct sunlight daily. Use a south-facing window and keep curtains open during the day for maximum sunlight exposure and nutrient accumulation.2. To provide additional light for your plant, consider using artificial light if it's large or not easily movable. Keep a desk or ceiling lamp on for at least 8 hours daily, or invest in professional plant grow lights for ample light.
Excessive light
Blue trumpet vine thrives in full sun exposure and can tolerate intense sunlight. With their remarkable resilience, symptoms of sunburn may not be easily visible, as they rarely suffer from it.
View more
(Symptom details and solutions)
Chlorosis
Chlorosis is a condition where the plant's leaves lose their green color and turn yellow. This is due to the breakdown of chlorophyll from excessive sunlight, which negatively affects the plant's ability to photosynthesize.
Sunscald
Sunscald occurs when the plant's leaves or stems are damaged by intense sunlight exposure. It appears as pale, bleached, or necrotic areas on the plant tissue and can reduce the plant's overall health.
Leaf Curling
Leaf curling is a symptom where leaves curl or twist under extreme sunlight conditions. This is a defense mechanism used by the plant to reduce its surface area exposed to sunlight, minimizing water loss and damage.
Wilting
Wilting occurs when a plant loses turgor pressure and its leaves and stems begin to droop. Overexposure to sunlight can cause wilting by increasing the plant's water loss through transpiration, making it difficult for the plant to maintain adequate hydration.
Leaf Scorching
Leaf scorching is a symptom characterized by the appearance of brown, dry, and crispy edges or patches on leaves due to excessive sunlight. This can lead to a reduction in photosynthetic capacity and overall plant health.
Solutions
1. Move your plant to the optimal position where it can receive abundant sunlight but also have some shade. An east-facing window is an ideal choice as the morning sunlight is gentler. This way, your plant can enjoy ample sunlight while reducing the risk of sunburn.2. It is recommended to trim off any completely dehydrated or withered parts of the plant.
Discover information about plant diseases, toxicity, weed control and more.
Temperature
close
Indoor
Indoor
Outdoor
Choose a site here for personalized care tips.
Requirements
Ideal
Tolerable
Unsuitable
Just like people, each plant has its own preferences. Learn about your plants' temperature needs and create a comforting environment for them to flourish. As you care for your plants, your bond with them will deepen. Trust your intuition as you learn about their temperature needs, celebrating the journey you share. Lovingly monitor the temperature around your plants and adjust their environment as needed. A thermometer can be your ally in this heartfelt endeavor. Be patient and gentle with yourself as you explore your plants' temperature needs. Cherish your successes, learn from challenges, and nurture your garden with love, creating a haven that reflects the warmth of your care.
Essentials
Blue trumpet vine is native to tropical and subtropical regions and prefers temperatures between 68℉ (20℃) and 100℉ (38℃). During the colder months, it may need to be moved indoors or provided with additional heat to maintain proper temperature. In the hottest months, it may benefit from shade or additional watering to prevent heat stress.
Regional wintering strategies
Blue trumpet vine is extremely heat-loving, and any cold temperatures can cause harm to it. In the autumn, it is recommended to bring outdoor-grown Blue trumpet vine indoors and place it near a bright window, but it should be kept at a certain distance from heaters. Maintaining temperatures above {Suitable_growth_temperature_min} during winter is beneficial for plant growth. Any temperatures approaching {Tolerable_growing_temperature_min} are detrimental to the plant.
Important Symptoms
Low Temperature
Blue trumpet vine prefers warm temperatures and is not tolerant of low temperatures. It 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}, the leaves may lighten in color. After frost damage, the color gradually turns brown or black, and symptoms such as wilting and drooping may occur.
Solutions
Trim off the frost-damaged parts. Immediately move indoors to a warm environment for cold protection. Choose a spot near a south-facing window to place the plant, ensuring ample sunlight. Additionally, avoid placing the plant near heaters or air conditioning vents to prevent excessive dryness in the air.
High Temperature
During summer, Blue trumpet vine should be kept below {Suitable_growth_temperature_max}. When the temperature exceeds {Tolerable_growing_temperature_max}, the color of the leaves becomes lighter, 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. Water the plant in the morning and evening to keep the soil moist.
Discover information about plant diseases, toxicity, weed control and more.
Transplant
close
How to Successfully Transplant Blue Trumpet Vine?
The best time to transplant blue trumpet vine is from late spring to early summer, since the plant is stronger and more established. Choose a location with well-draining soil and partial to full sun for optimum growth. Remember to water regularly after transplanting to encourage healthy root development.
What Preparations are Needed Before Transplanting Blue Trumpet Vine?
What is the Ideal Time for Transplanting Blue Trumpet Vine?
The optimal time to transplant blue trumpet vine is when the final spring frosts have passed, up until the early summer's warmth. This period provides the plant ample time to establish roots before cooler weather.
How Much Space Should You Leave Between Blue Trumpet Vine Plants?
Ideal spacing for blue trumpet vine is about 3-4 feet (90-120 cm) apart. This gives the plant enough room to spread its beautiful vines and develop a healthy root system.
What is the Best Soil Mix for Blue Trumpet Vine Transplanting?
For best results, prepare a well-draining soil with a slightly acidic to neutral pH. Mix in a good amount of organic matter, like compost or aged manure, to maintain soil fertility.
Where Should You Relocate Your Blue Trumpet Vine?
Choose a location for blue trumpet vine that receives plenty of sunlight – at least 6 hours of direct sun daily. It's also a good idea to place it near a support structure, like a trellis, to encourage vigorous growth.
What Equipments Should You Prepare Before Transplantation Blue Trumpet Vine?
Gardening Gloves
They help protect hands from thorns on the vine and any harmful organisms in the soil.
Trowel
This will be used to dig the transplanting hole and remove the blue trumpet vine from its current location. A sizeable trowel is recommended because the plant has an extensive root system.
Pruners
Needed to prune off any long stretched vines before translocation.
Garden Hose or Watering Can
To water the plant at its new location immediately after transplanting.
Supports (Wooden Trellis or Poles)
Due to its climbing nature, blue trumpet vine will need some form of support to latch on as it grows.
How Do You Remove Blue Trumpet Vine from the Soil?
From Ground: Moist the soil around the blue trumpet vine before attempting to remove it. This will make the soil loose and easier for digging. Dig around to form a wide, deep circle large enough to safely get a major portion of the root system. Gently pry the plant from the bottom using a trowel or a spade.
From Pot: Water the blue trumpet vine prior to removing it from the pot. Place your hand at the soil surface with the plant stem between your fingers. Turn the pot upside down and tap its bottom. The root and soil should slide out with your hand supporting the plant.
From Seedling Tray: Water the seedlings before commencing. Use a small trowel or even a spoon to scoop underneath the seedling and lift it up with the root and soil attached. Make sure to hold only the leaf not the stem during displacement.
Step-by-Step Guide for Transplanting Blue Trumpet Vine
Step1 Preparation
Dig a hole where you plan to transplant the blue trumpet vine. The hole should be wide and deep enough to cover the plant's root system fully, but not overly deep to bury the stem. Keep the removed soil nearby to cover the plant after replanting.
Step2 Moving the Plant
Carefully move the blue trumpet vine to its new position without damaging the root system. Place it gently in the hole you've prepared and make sure it stands upright.
Step3 Soil Backfill
Cover the blue trumpet vine roots with the soil keeping it firm to eliminate any air pockets which could dry out the roots.
Step4 Watering
After the soil is perfectly backfilled, water the newly transplanted blue trumpet vine generously to settle the soil around the roots and help the plant adjust to the new location.
Step5 Support
Setup any necessary lattice or supports for the blue trumpet vine to grow upwards and latch onto.
How Do You Care For Blue Trumpet Vine After Transplanting?
Watering
Regular watering is important. Keep the soil moist but not overly drenched. In the first few weeks after transplanting, a deep watering every day is recommended.
Pruning
Regularly prune off any dead or overreaching vine branches. This helps the plant maintain a manageable size and promotes vigorous growth.
Monitoring
Keep an eye out for any signs of transplant shock. These may include wilting, leaf yellowing or leaf drop. If you notice these symptoms, check watering and lighting conditions and adjust as necessary
Troubleshooting Common Issues with Blue Trumpet Vine Transplantation.
What's the best season to transplant blue trumpet vine?
The prime time to transplant blue trumpet vine is between late spring and early summer. It allows the plant to establish roots before the heat of summer hits.
How should I space my blue trumpet vine during transplantation?
Aim for a distance of 3 to 4 feet (0.9 to 1.2 meters) between each blue trumpet vine. This ensures each plant has enough room to grow without fighting for resources.
What type of soil is best for transplanting blue trumpet vine?
Blue trumpet vine favors well-drained soil, enriched with organic matter. A pH between 5.5 and 6.5 creates an optimal environment for the plant to thrive and bloom.
How should I prepare blue trumpet vine before transplantation?
Water blue trumpet vine the day before transplantation to ease removal and minimize shock. Slightly pruning the plant can also better allocate its energy towards root development.
How deep should the hole be when transplanting blue trumpet vine?
Dig a hole twice as wide and as deep as the root ball, about 10 inches (25 cm). This gives the roots plenty of room to grow.
What's the best method for removing blue trumpet vine for transplantation?
Gently loosen the soil around blue trumpet vine with a trowel before carefully lifting it. Aim to retain as many roots as possible to promote easier transplantation.
How should I water blue trumpet vine after transplanting?
Water blue trumpet vine immediately after transplanting, ensuring the soil is evenly moist but not soggy. Continue regular waterings until the plant shows signs of new growth.
What should I do if my transplanted blue trumpet vine shows signs of shock?
If blue trumpet vine exhibits drooping or wilting post-transplant, don’t fret. Maintain consistent watering and give it time to adjust. If conditions persist, consider a shaded location.
Should I apply fertilizers to blue trumpet vine after transplanting?
Avoid applying fertilizer immediately after transplant as it can cause root burn. Once blue trumpet vine has settled into the new location and shows new growth, you can start feeding slowly.
Can I transplant blue trumpet vine in a container?
Absolutely! Just be sure the container is sufficiently big, ideally 14-16 inches (35-40 cm) in diameter. Use a high-quality potting mix and ensure there's good drainage.
Discover information about plant diseases, toxicity, weed control and more.
Cookie Management Tool
In addition to managing cookies through your browser or device, you can change your cookie settings below.
Necessary Cookies
Necessary cookies enable core functionality. The website cannot function properly without these cookies, and can only be disabled by changing your browser preferences.
Analytical Cookies
Analytical cookies help us to improve our application/website by collecting and reporting information on its usage.
Cookie Name Source Purpose Lifespan
_ga Google Analytics These cookies are set because of our use of Google Analytics. They are used to collect information about your use of our application/website. The cookies collect specific information, such as your IP address, data related to your device and other information about your use of the application/website. Please note that the data processing is essentially carried out by Google LLC and Google may use your data collected by the cookies for own purposes, e.g. profiling and will combine it with other data such as your Google Account. For more information about how Google processes your data and Google’s approach to privacy as well as implemented safeguards for your data, please see here. 1 Year
_pta PictureThis Analytics We use these cookies to collect information about how you use our site, monitor site performance, and improve our site performance, our services, and your experience. 1 Year
Cookie Name
_ga
Source
Google Analytics
Purpose
These cookies are set because of our use of Google Analytics. They are used to collect information about your use of our application/website. The cookies collect specific information, such as your IP address, data related to your device and other information about your use of the application/website. Please note that the data processing is essentially carried out by Google LLC and Google may use your data collected by the cookies for own purposes, e.g. profiling and will combine it with other data such as your Google Account. For more information about how Google processes your data and Google’s approach to privacy as well as implemented safeguards for your data, please see here.
Lifespan
1 Year

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

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