Garden Notes
Tree Galls

Tree Galls are unusual growths on tree leaves and branches caused by insects. UT/TSU Extension Agent Celeste Scott shows some large galls growing on the leaves of a sumac tree. She breaks open one of the galls to shows the insects living inside. Galls do not harm the tree, but they can be unsightly.

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Oak Galls
I treated my tree with a systemic insecticide. What do I do now?

Related Resources:
Tree and Shrub Galls
Deciduous Tree Galls