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By Ellgee

United Kingdom Gb

I have a holly tree - I don't know which variety. A lot of leaves are turning yellow, with irregular black/purple spots. Have you any idea what this is, and what I can do about it?



Could be Holly Leaf Miner - inspect the leaves closely for signs of "mining" in the leaf tissue. No treatment available, and the only harm it does to the plant is to cause the discoloration on the leaves. Any leaves which turn yellow and fall are likely to be ones that would have fallen anyway, regardless of the Miner.

16 Jun, 2010

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