red Japanese Maple tree

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red Japanese Maple tree

Question
My tree is about 3 years old and sits at the corner of a fence, I have noticed brown marks on the leaves and wonder if I should do anything about it.
Thanks
Annette

Answer
These are leaf spots caused by a fungus BUT they will not cause any health problems with the tree. For the tree to have a lost in growth from the spots the leaves would all have to be infected more then 1/2.( each leaf would have more brown than green.) I would not worry with these spots.

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