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Cotoneaster

Q.Can You Please Tell Me What Is Causing This To My Cotoneaster?

Zone Bradford West Yorkshire | Anonymous added on February 19, 2022 | Answered

It’s part of my hedge and 20 years old

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GKH_Susan
Certified GKH Gardening Expert
Answered on March 4, 2022

It looks like lichens, which are often on trees. They are harmless and need no intervention.

https://www.gardeningknowhow.com/ornamental/fungus-lichen/treatment-tree-lichen.htm

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