Pocket Botanist
Check these first
- Examine the leaves for a white, dusty film.
- Check if the spots are brown or yellow.
- Look for high humidity or poor airflow around the plant.
Likely causes
Powdery Mildew
Most likelyHow to tell: White, powdery spots appear on the leaves during humid or damp weather.
What to do: Improve air circulation around the plant by spacing them out. Apply a mild fungicide or a mix of water and baking soda to the affected leaves.
Water Splashing
PossibleHow to tell: Small brown or yellow spots appear after watering from above.
What to do: Water at the base of the plant instead of over the foliage. Keep the leaves dry to prevent fungal growth.
Find out what's wrong with your clasping venus looking glass
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 spread rapidly and cover the whole plant, it can weaken the foliage. Small, isolated spots are usually manageable.
Stopping it coming back
Water at the soil level and ensure the plant has plenty of space for air to move.
Clasping Venus looking glass: spots? Check yours with a photo
Every plant is a little different. Take a photo of your clasping venus looking glass 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
- Is powdery mildew contagious?
- Yes, it can spread to nearby plants through the air.
- Can I wash the spots off?
- You can wipe them off, but you must treat the underlying fungal issue to stop them from returning.
Guides to these causes
More problems with Clasping Venus looking glass
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- Are there bugs on my Triodanis perfoliata?
- Is my Triodanis perfoliata suffering from root rot?
Back to the Clasping Venus looking glass 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.