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Hyacinth Plant

Q.Oak tree shooting acorns

Zone 43214 | Pea added on July 30, 2017 | Answered

The oak is shooting these deformed acorns. What is the cause and what can be done? Thanks

A.Answers to this queston: Add Answer
Liz Baessler
Certified GKH Gardening Expert
Answered on July 31, 2017

Do they look like the acorns on this page?
You might have knopper galls, a symptom of a certain kind of wasp. There are actually wasp larvae growing inside the acorns. It may look really weird, but the presence of the galls won't harm the tree.

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