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

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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1 Comment To "My Flowering Dogwood Has Moss Green, Hard Scale on the Trunk"

#1 Comment By Nikki On 05/15/2011 @ 12:12 pm

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 ^[1]

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

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