White fluffy balls on maple trees

Q. We have three younger maple trees and they all have these white web/sac like things on the branches. Do I need to worry about them or treat them somehow?? A. From your photo, it looks like you have Cottony Maple Scale. Trees are very tolerant to this scale and it does not usually harm…

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Why does my Japanese Maple have dry, curled leaves?

Q. The leaves on my Japanese Maple have started to turn brown and are curling at the edges. What could be causing this and what should I do? A. There are several reasons why a Japanese Maple leaf would be dry and curled. It could be due to environmental causes, wind damage, or even high humidity…

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Black spots on maple leaves

Q. Why are there tar-like spots on my maple tree leaves? A. Black spots sometimes appear on the leaves of maple trees from mid-June to mid-July. The spots are a fungal disease called Maple Tar Spot (the spots look just like they sound). The spots do not cause damage to the tree and are only…

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