Oak Trees
Q.

Why Oak Tree disease??

Zone 21631 | Thallbauer@hotmail.com added on May 17, 2019 | Answered

Eye oak tree has weird white cotton ball looking things attached to branches. Husband said they look light toasted marshmallows. Photos show it.

A.
A.Answers to this queston: Add Answer
Downtoearthdigs
Certified GKH Gardening Expert
Answered on May 18, 2019

How interesting! This is not something I had seen before so a little research show this is a Wool-Sower Gall.
It should not be an issue, but worth watching.
This link has more information.

https://www.inaturalist.org/posts/6119-wool-sower-gall-callirhytis-seminator

It may also be of interest to your County Extension Office.
https://www.gardeningknowhow.com/extension-search

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