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Check these first
- Look for white dust on the leaf surfaces.
- Inspect the undersides of leaves for tiny bugs.
- Check for sticky sap on the stems.
Likely causes
Powdery mildew
Most likelyHow to tell: A white, dusty coating appears on the surface of the leaves. It often starts as small circular spots that spread.
What to do: Wipe the leaves with a damp cloth to remove the fungus. Improve air circulation around the plant to prevent it from returning.
Aphids
PossibleHow to tell: Tiny yellow or green insects cluster on new growth and cause small discolored spots. You might see a sticky residue on the leaves.
What to do: Wash the aphids off with a gentle stream of water. Use insecticidal soap once a week until the pests are gone.
Find out what's wrong with your hedge bindweed
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
Worry if the spots cover more than half of the foliage or if the leaves start to curl and die. Small isolated spots are usually manageable.
Stopping it coming back
Keep the leaves dry when watering and ensure the plant has plenty of space for airflow.
Keep your hedge bindweed healthy from here
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Questions people ask
- Are these spots contagious to other plants?
- Yes, powdery mildew can easily spread to nearby plants. Isolate the affected plant until it is completely healthy again.
- Can I use neem oil for the spots?
- Neem oil is effective for both powdery mildew and aphids. Apply it in the evening to avoid burning the leaves in direct sun.
More problems with hedge bindweed
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This article was generated with AI from the plant’s care profile and is general information, not horticultural advice. Read about how we build these guides.