What is Wrong with this Tree?
What is affecting this tree and what should I do about it? Almost all of the leaves on this small tree have this gall=like symptom.
Prince George's County Maryland
1 Response
This is a type of gall, or abnormal tissue swelling, probably a spindle gall.
They are not concerning and do not need treatment.
Here is a publication explaining leaf galls: http://extension.umd.edu/sites/default/files/_images/programs/hgic/Publications/HG31_Insect_and_Mite...
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