tree growth

Asked May 31, 2017, 10:07 PM EDT

What is this brownish growth on the tree branch?

Prince George's County Maryland

1 Response

We cannot say for sure but the tree looks like it may be a cherry tree. The gall on the stem is called black knot, caused by a fungus. All you can do is prune at least 4 inches below the gall/growth during dry weather. Discard in the trash.
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