Check these first
- Inspect the tips of new growth for clusters of tiny insects.
- Check the undersides of leaves for sticky residue.
- Look for ants, as they often farm aphids.
Likely causes
Aphids
Most likelyHow to tell: You will see tiny green or black insects clustered on the tips of new stems and undersides of leaves.
What to do: Spray the affected areas with a strong stream of water to knock them off. If they persist, apply insecticidal soap or neem oil every 5 to 7 days until they are gone.
Scale Insects
PossibleHow to tell: Small brown bumps that look like tiny shells appear on the stems.
What to do: Scrape them off gently with a soft brush or apply horticultural oil. Ensure you cover all stems thoroughly to suffocate any remaining pests.
Find out what's wrong with your chinese trumpet vine
The list above covers the usual causes. Pocket Botanist looks at a photo of your actual plant and tells you the likely cause, how serious it is, and what to try first. Identification and a health check are free.
Scan with your phone's camera to get the app
Or go to pocketbotanist.app/get on your phone
When to worry
A few aphids are normal, but if the leaves start curling or the plant looks stunted, you need to act.
Stopping it coming back
Keep the plant healthy with proper watering and check it weekly during the spring.
Chinese trumpet vine: pests? Check yours with a photo
Every plant is a little different. Take a photo of your chinese trumpet vine and Pocket Botanist tells you which cause is most likely, how serious it is, and what to try first. A few checks a day are free. Save the plant and you get care reminders timed for it.
Scan with your phone's camera to get the app
Or go to pocketbotanist.app/get on your phone
Get the app · Or check it from a photo now, free
Questions people ask
- Will aphids kill my vine?
- Usually no, but they can weaken it and spread viruses. It is best to manage them early.
- Can I use natural predators?
- Yes, ladybugs are excellent at controlling aphid populations naturally.
Guides to these causes
More problems with Chinese trumpet vine
- Why is my Chinese trumpet vine not flowering?
- What are these spots on my Chinese trumpet vine leaves?
- Why is my Chinese trumpet vine growing so leggy?
- Why are my Chinese trumpet vine leaves turning yellow?
- Why are my Chinese trumpet vine leaf tips turning brown?
- Why is my Chinese trumpet vine drooping?
- Why is my Chinese trumpet vine losing leaves?
- How do I fix root rot on my Chinese trumpet vine?
- Why are my Chinese trumpet vine leaves curling?
Back to the Chinese trumpet vine guide
This article was generated with AI on from the plant’s care profile and is general information, not horticultural advice. Read about how we build these guides.

