Pocket Botanist
Check these first
- Inspect the undersides of the leaves for pests or spores.
- Check if the leaves are staying wet for too long.
- Ensure the plant has enough space for air to move around it.
Likely causes
Powdery Mildew
Most likelyHow to tell: A white, dusty coating appears on the leaves and stems.
What to do: Improve air circulation by spacing plants out. Apply a neem oil spray or a mixture of water and baking soda to the affected leaves.
Fungal Leaf Spot
PossibleHow to tell: Dark brown or black spots appear, often with a yellow halo.
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 daisy fleabane
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
Small spots are manageable, but if they cover more than half the foliage, the plant will struggle to photosynthesize. Remove heavily damaged parts to save the rest.
Stopping it coming back
Water at the base of the plant rather than over the leaves, and ensure the site has full sun.
Daisy fleabane: spots? Check yours with a photo
Every plant is a little different. Take a photo of your daisy fleabane 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, the spores spread easily through the air. Keep infected plants away from healthy ones.
- Can I save leaves with spots?
- It is usually better to prune off heavily spotted leaves. The plant will grow back healthier foliage.
Guides to these causes
More problems with Daisy fleabane
- Why is my Daisy fleabane drooping?
- Why is my Daisy fleabane growing leggy?
- Why are my Daisy fleabane leaves turning yellow?
- Why are my Daisy fleabane tips turning brown?
- Why is my Daisy fleabane not blooming?
- Why are there bugs on my Daisy fleabane?
- Is my Daisy fleabane suffering from root rot?
- Why are my Daisy fleabane leaves curling?
Back to the Daisy fleabane 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.