The Q&A Archives: White foamy spots on the azalea branches

Question: I have about 22 Azalea plants in my yard some of which are over 25 years old. While clearing leaves from the trunk I found hundreds of white foamy dots on the branches. In 3 days time I found some of the branches have a mossy green mold on them. What do I do?

Answer: I think you are describing the symptoms of azalea leaf gall. Just to make sure, here's a website from Cornell with great photos:

Hope you find it helpful.

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