Knowledgebase

What is this gall? #865342

Asked April 21, 2024, 6:55 PM EDT

We have been seeing this on trees in Glen Arbor, but don't know if it is harmful.

Leelanau County Michigan

Expert Response

Hello,

Can you please provide additional images:

A clear image of the branch with buds
A clear image of the trunk of the tree

Please send all these images to the MSU Plant & Pest Diagnostics Lab.
Their email is <personal data hidden>
Please include your name – The lab will let you know if they need a sample sent.
FYI – The lab may also ask for additional images too.
An Ask Extension Expert Replied April 23, 2024, 4:55 PM EDT

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