
Q: I found these unusual growths on my oak trees. What are they and will it cause my oak tree to die?
July 13, 2017
A: Thank you for bringing this to the Extension office; I have seen this gall only one other time in my thirteen years of being a Horticulture agent in Nassau County. I believe the gall is called an oak apple gall. Galls occur on a wide variety ... READ MORE
Category: Home Landscapes, Pests & DiseaseTags: Oak Apple Gall