Rhododendron is a genus characterised by shrubs that range from small bushes to large trees and include Azaleas also. The leaves are spirally arranged; leaf size can range from a half inch to over 2o inches. They may be either evergreen or deciduous. In some species, the undersides of the leaves are covered with scales (lepidote) or hairs (indumentum). Some of the best known species are noted for their many clusters of large flowers. The Rhodys in our yard are beautiful in late spring provided we can keep the deer from eating them over the winter. Holbein watercolors on 140# Fluid 100 cold press watercolor paper.
I have a rhodedondron in my back yard. It must be one of the only plants that can keep their leaves in the winter in Eastern Ontario. We sometimes get nights as cold as -30C and still the Rhodedondron keeps its leaves. Mind you they turn a dark brown colour.
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We do not get that cold here in New England. Our leaves just curl on really cold nights or days.