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Dogwood Trees

Q.My Flowering Dogwood Has Moss Green, Hard Scale on the Trunk

Anonymous added on May 14, 2011 | Answered

My flowering dogwood has a moss green, hard scale on the trunk.   It is patchy. I wonder if I should spray with Malathion.

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Certified GKH Gardening Expert
Answered on May 15, 2011

Your problem sounds like lichen, which poses no real threat. Here is an article that you may find helpful: https://www.gardeningknowhow.com/ornamental/fungus-lichen/treatment-tree-lichen.htm

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