Mature Oak Tree #755424 - Ask Extension

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Mature Oak Tree #755424

Asked June 10, 2021, 7:02 PM EDT

I am noticing that there are a lot of leaves falling off our oak tree and other oak trees in the neighborhood as if it were fall. Is there something wrong with oak trees here in Toledo? Hopefully there is no foreign critter killing the trees.

Lucas County Ohio

Expert Response

Hello,

It is difficult to say without seeing the trees or knowing the variety.  Depending on the variety, it could simply be "oak leaf drop".  Some oak varieties keep their leaves throughout winter and drop them in the spring.  

Are any of the leaves damaged?  Discolored?  If any of the leaves are damaged or discolored, I recommend taking some of the leaves to to your local Extension Office (find your office by clicking on the link below -- call to see if they are open) or a local reputable nursery and see if they can identify any issues.  You may also want to contact a local reputable arborist to stop by and take a look.

I am listing some links to information on some of the more common oak issues.  This may help you to identify any problems.

Oak Leafminer:  https://bygl.osu.edu/index.php/node/1796

Oak Wilt:  https://bygl.osu.edu/index.php/node/1668

Oak Leaf Blister:  https://bygl.osu.edu/index.php/node/805

Oak Lace Bug:  https://bygl.osu.edu/index.php/node/369

I hope this helps you!

Andrea Bonesteel - MGV Replied June 10, 2021, 8:15 PM EDT

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