To help with the Nature Conservancy Of Canada five nation; “Bioblitz” we spent some time in Arboretum identifying species … this was one of the stars. Their caterpillars grow on wild violets on the edges of woodland.
A week ago these trees were heavy with gloriously golden leaves. Last night the temperature dropped to -2C and this morning all the leaves are on the ground. There was ice in puddles. Snow can’t be far away.