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?

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1 Comment To "Azalea With Dull Green Stuff on Branches"

#1 Comment By Nikki On 08/24/2011 @ 7:23 am

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:
https://www.gardeningknowhow.com/ornamental/fungus-lichen/treatment-tree-lichen.htm ^[1]

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[1] https://www.gardeningknowhow.com/ornamental/fungus-lichen/treatment-tree-lichen.htm: https://www.gardeningknowhow.com/ornamental/fungus-lichen/treatment-tree-lichen.htm

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