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Stevie D

Azalea Fungus/lichen Infection

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Hi,

A chap for whom I do gardening work has a lot of azaleas. All of these seem to be affected by the grey/white fungus/lichen/whatever it is shown in the pictures below. He's concerned that the stuff is threatening the well-being of the plants (potentially fatally), and since I don't know what the stuff is or what it does, I ought to take it seriously.

It looks like a lichen at first glance, but then lichen takes years to grow and this stuff seems to have appeared over a short space of time, as you'd expect from a fungal bloom. It doesn't affect the leaves, but seems mostly attracted to forks in the plants' branches.

If you can tell me what the growth is called, what harmful effects it can have, and what can be done to get rid of it, I'd be much obliged.

AzaleaFungus03.jpg

AzaleaFungus02.jpg

AzaleaFungus01.jpg

Steve :)

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it is a lichen, harmless, an indicator of good air quality. Can be rubbed off by hand if unsightly but I would leave it myself!

Thanks. I've looked at a whole load of other sources on the web, and the consensus seems to be the effects of the lichen are negligible at worst.

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I have the same thing on my red azaleas.  It did not affect the white ones, right next to them.  They have no leaves on them, but they are loaded with buds.  Help!

Edited by Jamie
It is a lichen

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