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Check these first
- Look for white dust on the leaves.
- Check if the plant is crowded by other plants.
- Inspect the humidity levels in your room.
Likely causes
Powdery mildew
Most likelyHow to tell: White, flour like patches appear on the surface of the leaves.
What to do: Improve air circulation by spacing plants out or using a small fan. Wipe the leaves with a damp cloth and apply a neem oil spray if the infection persists.
Fungal leaf spot
PossibleHow to tell: Dark or brown spots with yellow halos appear on the foliage.
What to do: Remove the affected leaves immediately to stop the spread. Avoid getting water on the leaves when you water the soil.
Find out what's wrong with your heath speedwell
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
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When to worry
Small spots are manageable, but if they cover more than half the foliage, the plant will struggle to photosynthesize. Act quickly to prevent total leaf loss.
Stopping it coming back
Water at the base of the plant to keep leaves dry and ensure good airflow around the foliage.
Heath speedwell: spots? Check yours with a photo
Every plant is a little different. Take a photo of your heath speedwell 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
- Is powdery mildew contagious?
- Yes, it spreads easily through air currents. Keep the infected plant away from your other houseplants until it is fully recovered.
- Can I use household soap to treat spots?
- A mild solution of dish soap and water can work, but be careful. It is safer to use a dedicated horticultural soap or neem oil.
Guides to these causes
More problems with Heath speedwell
- Why is my Heath speedwell looking leggy?
- Why is my Heath speedwell drooping?
- Why is my Heath speedwell not blooming?
- How do I fix root rot in my Heath speedwell?
- Why are my Heath speedwell leaves turning yellow?
- Why are my Heath speedwell leaf tips turning brown?
- Why is my Heath speedwell dropping leaves?
- How do I get rid of pests on my Heath speedwell?
- Why are my Heath speedwell leaves curling?
Back to the Heath speedwell 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.