Growth on Azalea Leaves

Question

We have just found a growth on the leaves of on of our azaleas. It’s a crusty, deformed looking growth that only affects the portion of leaves it’s on. My husband thinks it’s a pest and I think it’s a fungus. Any help in identification and treatment would be greatly appreciated.

Answer 1

It sounds like azalea leaf gall. This article will help:
http://plantclinic.cornell.edu/factsheets/azaleagall2.pdf