Hi!
First post!
We've many well established azeleas in out garden, but some of them are troubled with these deposits on various parts of the branches. It doesn't effect the flowers although some of the leaves get a greyish bloom on them. It can with difficulty be brushed off, but I'm looking for some sort of treatment to get rid of it. These azeleas are with a few yards of a 3000 gallon koi pool so I guess the atmosphere can be a bit damp.
Any advice would be appreciated.
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