Dying Dog Wood

Question

I live in North central FL. I just moved and it’s a fairly wet area. The Dog Woods in the neighborhood are dying. Dead branches with lots of new sprouts coming out every where. Leaves seem large And healthy but dark gray patches on the trunk that almost look like mold but no where else.

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Answer 1

It could be a crown canker. Here is more information:

https://www.gardeningknowhow.com/ornamental/trees/dogwood/crown-canker-on-dogwood.htm