8 Reasons Moss, Lichen, and Fungi Are Growing on Your Trees in Western Washington
Key Takeaways Western Washington’s cool, wet climate naturally supports moss, lichen, and fungi. Moss and lichen usually grow on the bark without harming healthy trees. Heavy growth often indicates excess shade, moisture, or reduced tree vigor rather than disease. Mushrooms and shelf fungi growing from a living tree can be signs of internal decay. Improving […]
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