azaleas look like they have been burned

The branches are black with white scales on them. It is affecting part of 2 bushes in 2 separate locations. There are also spots on the leaves. These are very mature azaleas and I haven’t had any problems before now. What might this be and how do I save them?
Thanks
Melanie

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1 Comment To "azaleas look like they have been burned"

#1 Comment By Downtoearthdigs On 07/05/2015 @ 7:43 pm

This sounds like a case of Azalea Bark Scale.
Here is a link with more information.

https://www.gardeningknowhow.com/ornamental/shrubs/azalea/azalea-bark-scale.htm ^[1]

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