Pocket Botanist
Check these first
- Inspect the leaves for a white powdery coating.
- Check if the plant is crowded by other plants.
- Look for signs of moisture sitting on the leaves.
Likely causes
Powdery mildew
Most likelyHow to tell: You will see a white, floury substance on the leaves and stems. It often starts as small circular spots that spread quickly.
What to do: Improve air circulation by spacing plants further apart. You can apply a neem oil spray or a mixture of water and baking soda to treat the affected areas.
Fungal leaf spot
PossibleHow to tell: Small brown or black spots appear on the leaves, sometimes with a yellow halo. These spots may grow larger over time.
What to do: Remove the infected leaves immediately to stop the spread. Avoid overhead watering to keep the foliage dry.
Find out what's wrong with your field pansy
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.
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When to worry
If the spots cover most of the foliage, the plant will struggle to photosynthesize. Remove heavily damaged leaves to save the rest of the plant.
Stopping it coming back
Water at the base of the plant to keep leaves dry and ensure there is plenty of space for air to move around.
Field pansy: spots? Check yours with a photo
Every plant is a little different. Take a photo of your field pansy 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
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Questions people ask
- Can I wash the spots off?
- If it is powdery mildew, you can wipe it off, but the fungus remains. Treating it with a fungicide is more effective.
- Are these spots contagious?
- Yes, fungal spores spread easily through the air or water splashes. Keep infected plants away from healthy ones.
Guides to these causes
More problems with Field pansy
- Why is my field pansy looking so leggy?
- Why is my field pansy drooping?
- Why are my field pansy leaves turning yellow?
- Why is my field pansy not producing flowers?
- How do I fix root rot on my field pansy?
- Why are my field pansy's leaf tips turning brown?
- Why is my field pansy dropping its leaves?
- How do I get rid of pests on my field pansy?
- Why are my field pansy leaves curling?
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.