Clematis armandii
This clematis is special in that it has both evergreen leaves and large, white flowers that appear in late spring. When the flowers finish, the leaves create a wall of shiny foliage, perfect as a backdrop to a tropical border. This species is vigorous, so train it along support wires to cover a wall or pergola. H4-8m
Fritillaria meleagris(Snake’s head fritillary)
Deservedly popular, the pretty, purple, nodding chequered bells on thin, slim stems are most effective naturalised in drifts in grass and meadows. Fritillaries will grow in the garden given the right conditions, relishing a cool, damp, moist soil in spring. H30cm
Paeonia lactiflora(Herbaceous peony)
Herbaceous peonies come in a vast array of colours and shapes. The doubles provide the ‘wow’ factor, and the singles and semi-doubles are…