Clematis can be deciduous or evergreen shrubs or herbaceous perennials, mostly climbing by twining leaf-stalks, and often with showy flowers. Some have attractive fluffy seed-heads in autumn
Montana Group clematis are vigorous deciduous climbers with single, 4-petalled flowers opening in late spring and early summer
'Mayleen' is a vigorous deciduous climber with divided, bronze-tinged leaves and abundant, light pink flowers 7 cm wide, with four rounded, overlapping petals paler at the edge, opening in late spring and early summer