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Shrubs And Trees

Q.What Causes This Leaf To Have This Strange Protrusions On The Bottom.

Zone 10467 | Anonymous added on June 20, 2021 | Answered

I found this leaf in my yard. And I am worried about my grape vine.

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Certified GKH Gardening Expert
Answered on July 2, 2021

Those are insect galls. You can prevent them with insecticides. Here is an article that will help:


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