Growth on Azalea Bark

Have a number of azaleas, most are doing great but a few have this pale blue-green, flaky looking growth on the bark, like you sometimes see on really old plants but these are fairly young. What is it and will it infect my other plants?

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1 Comment To "Growth on Azalea Bark"

#1 Comment By Nikki On 05/05/2014 @ 10:02 pm

This is lichen, which is not harmful to the plants. This article will explain more about them: https://www.gardeningknowhow.com/ornamental/fungus-lichen/treatment-tree-lichen.htm ^[1]

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