Caulophyllum thalictroides (Blue cahosh): Shade-loving with yellow-brown flowers in spring, followed by blue berry-like seeds in autumn. Attractive, divided blue-grey foliage. Hardy. Up to 1m.

Digitalis grandiflora (Yellow foxglove): Perennial foxglove with yellow bell-shaped flowers above clumps of evergreen lance-shaped leaves. Bee-friendly. Hardy. Up to 1m. AGM

Dryopteris affinis 'Cristata The King': Tall, semi-evergreen fern with arching fronds,each leaflet is divided (Crested). Best in moist semi-shade. Hardy. Up to 1.2m.