Check these first
- Inspect the undersides of leaves for tiny insects.
- Look for sticky residue or fine webbing.
- Check if the plant is crowded by other plants.
Likely causes
Aphids
PossibleHow to tell: You will see tiny green or black insects clustering on the new growth or flower buds. They often leave behind a sticky residue called honeydew.
What to do: Spray the plant with a steady stream of water to knock them off. If they persist, apply insecticidal soap once a week for 3 weeks.
Spider Mites
PossibleHow to tell: Look for fine, silky webbing between the leaves or stems. The foliage may also look speckled or pale.
What to do: Increase the humidity around your plant and wipe the leaves down with a damp cloth. Use neem oil spray every 7 days until the mites are gone.
Find out what's wrong with your viper's bugloss
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
Worry if the leaves start to yellow or deform significantly. A few stray bugs are usually manageable with quick action.
Stopping it coming back
Keep your plant in a spot with good air circulation and check it regularly during the growing season.
Viper's bugloss: pests? Check yours with a photo
Every plant is a little different. Take a photo of your viper's bugloss 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 these bugs kill my plant?
- Usually not if you catch them early. If left untreated, they can weaken the plant and make it susceptible to other issues.
- Can I use household soap to kill them?
- Avoid using harsh dish soaps as they can burn the leaves. Stick to insecticidal soap specifically formulated for plants.
Guides to these causes
More problems with Viper's bugloss
- Why are there white spots on my Viper's bugloss?
- Why is my Viper's bugloss showing signs of root rot?
- Why is my Viper's bugloss growing so leggy?
- Why is my Viper's bugloss not flowering?
- Why are my Viper's bugloss leaves turning yellow?
- Why is my Viper's bugloss drooping?
- Why are my Viper's bugloss leaves curling?
Back to the Viper's bugloss 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.

