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whats this growing on my oak trees

celtic_oz · 2020-05-13 19:59:28

looks like some sort of moss or lichen.. Should I treat with something ? thanks!

13-05-2020 07:59PM

#1

celtic_oz

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looks like some sort of moss or lichen..

Should I treat with something ?

thanks!

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Comments

#2 13-05-2020 08:09PM

CelticRambler

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Lichen, yes; treat, no.

It's frequently a sign that the affected branches are getting old and possibly already dead or dying. Lichen likes dry surfaces, which isn't really what you want in a tree-branch.

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#3 13-05-2020 08:10PM

magicbastarder

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it's a sign of clean air and will do the tree no damage.

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