Algae, lichens and moss on trees and shrubs / RHS Gardening

Algae, lichens and moss often form green or grey, powdery or mossy, crusty growths on the stems, branches and trunks of trees and shrubs. While this can worry gardeners, these growths are harmless, although may occasionally indicate a lack of vigour in the affected plant.

Advice - Lichens Often Grow on the Bark of Trees.

Lichens and Mosses, This is just like a little garden all b…

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Algae Lichen Moss, Four Seasons Tree Care Services

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Algae Lichen Moss, Four Seasons Tree Care Services