Check these first
- Examine the leaves for a white, fuzzy coating.
- Check if you have been splashing water on the leaves.
- Ensure the plant has enough space for air to move.
Likely causes
Powdery mildew
Most likelyHow to tell: You see a white, powdery substance on the leaves or stems. It often happens when air circulation is poor.
What to do: Improve air flow around the plant by spacing it away from others. You can gently wipe the leaves with a damp cloth or use a mild fungicide.
Water spotting
PossibleHow to tell: Small, light colored rings or spots appear on the leaves. This happens when cold water splashes onto the foliage.
What to do: Water carefully at the soil line using a narrow spout. If you get water on the leaves, gently blot it off with a paper towel.
Find out what's wrong with your african violet
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
Powdery mildew can spread quickly to other plants, so treat it as soon as you see it. Small water spots are mostly cosmetic and not a threat to the plant's life.
Stopping it coming back
Keep the leaves dry and ensure your plant has good air circulation. Never crowd your African Violets too close together.
African Violet: spots? Check yours with a photo
Every plant is a little different. Take a photo of your african violet 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
- Can I wash the leaves?
- You can, but you must be very careful. Use a soft, dry brush to remove dust instead of water whenever possible.
- Is powdery mildew dangerous?
- It is not immediately fatal, but it weakens the plant and stops it from blooming. Treat it early to keep your plant healthy.
Guides to these causes
More problems with African Violet
- Why is my African Violet not flowering?
- Why are my African Violet's leaves turning yellow?
- Why is my African Violet drooping?
- How do I fix root rot on my African Violet?
- Why is my African Violet growing long and leggy?
- Why are my African Violet's leaf tips turning brown?
- Why is my African Violet losing its leaves?
- How do I get rid of pests on my African Violet?
- Why are my African Violet leaves curling?
Back to the African Violet 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.

