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sunnysideuphill

Lichen?

sunnysideuphill
12 years ago

While pruning Polareis today, I saw what looks exactly like the grey-green lichen you find in the woods on tree trunks, on some of the older canes. Could it be lichen? Is it a sign of something wrong with the rose? It's in a sunny, exposed, breezy location, not at all like the woods....