Azalea With Dull Green Stuff on Branches
My azalea plants have a dull green stuff on the branches and it seems to be spreading. It looks like rust on copper pipes. What is it and how do I get rid of it? What should I do?
Certified GKH Gardening Expert
What you are seeing on the azalea is lichen. It is not harmful to the plant but if you want to be rid of it, this article will help: