The Q&A Archives: Weeping cherry tree

Question: The leaves have little holes and look lacy.

Answer: Cherry tree leaves are often attacked by insects, especially small caterpillars, which can cause the symptoms you describe. Look carefully at the foliage to see if you can find these little pests. If not, the problem can be a fungal disease called shot hole. This is usually not too severe a disease and happens more often when the spring weather is wet and cold. It can cause up to 20% defoliation and although it is not attractive, it won't kill your tree. The damage is already done so there's not much you can do except to let your tree ride it out. The affected leaves will fall. Be sure to rake them up and remove them from the garden.

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