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White growth and drooping crown on cedar tree - Ask Extension

I have a cedar tree with tiny white growths that can be flaked off plus some unknown cotton like hairs and a drooping crown. What is causing this?

This work is supported in part by New Technologies for Ag Extension grant no. 2020-41595-30123 from the USDA National Institute of Food and Agriculture. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture.