Oak Trees

Oak Tree Shooting Acorns

Pea added on July 30, 2017 | Answered

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

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Certified GKH Gardening Expert
Answered on August 1, 2017

This sounds like knopper gall which is due to a wasp. Generally, insect galls will not harm the tree, though the affected acorns will not germinate - but unless you're growing these this shouldn't be much of an issue.

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