A perennial climber, occurring in hedges, scrub, woodland edges, tall-herb fens, in open Salix and Alnus carr, and on railway banks and waste ground. It also occurs in artificial habitats in built-up areas and near habitation. 0?365 m (near Buxton, Derbys.).
There is no change in the range of this species since the 1962 Atlas. Two subspecies occur in our area: subsp sepium is found throughout the range of the species and subsp. roseata is mapped separately. A third, subsp. spectabilis, was formerly recorded as a garden relic in Merionethshire.
Circumpolar Temperate element.