Q.Encore azaleas
The stems of my encore azaleas have turned black and appear to be spreading to the leaves and possibly to nearby plants & shrubs. Should I spray with Malathyon or something else? Should I prune back some branches?
Downtoearthdigs
Answered on July 19, 2017
This sounds like Azalea Bark Scale.
This article will help you.
https://www.gardeningknowhow.com/ornamental/shrubs/azalea/azalea-bark-scale.htm
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