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
Disporum uniflorum (One-flowered disporum):
An unusual woodland plant with tall stems of arching pale yellow bell shaped flowers in spring. Black berries in the autumn. Hardy. Up to 60cm.
Epimedium perralderianum (Barrenwort):
Tiny lemon yellow flowers held on fine wires above attractive, marbled foliage. Very good in shade, even dry shade
Saruma henryi (upright wild ginger):
An unusual shade loving perennial with pale green, hairy, heart shaped leaves and bright yellow three-petalled flowers. Hardy. Up to 50cm.