Pocket Botanist
Check these first
- Examine the spots for fungal growth or spores.
- Check if the tree is in a poorly ventilated area.
- Observe if the spots appear after a rainy spell.
Likely causes
Lime leaf spot fungus
Most likelyHow to tell: Small, dark spots appear on the leaves, sometimes with a yellow halo. These spots may grow larger during rainy periods.
What to do: Remove and dispose of any fallen leaves to reduce fungal spores. Improve air circulation around the tree by pruning crowded branches.
Excessive moisture
PossibleHow to tell: Leaves stay wet for long periods, encouraging fungal growth.
What to do: Avoid overhead watering that keeps the foliage damp. Water at the base of the tree early in the morning so the leaves dry quickly.
Find out what's wrong with your common lime
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
A few spots are normal in wet years. Worry if the tree loses a significant amount of leaves early in the season.
Stopping it coming back
Keep the area under the tree clean of debris. Ensure the tree has enough space to allow wind to dry the leaves after rain.
Common lime: spots? Check yours with a photo
Every plant is a little different. Take a photo of your common lime 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.
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Questions people ask
- Should I use a fungicide?
- Usually not necessary for established trees. Good hygiene and air circulation are more effective.
- Will the spots go away?
- The existing spots will remain, but new leaves should be healthy if conditions improve.
More problems with Common lime
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.