Convallaria majalis (Lily of the Valley): Scented white bells in spring, Great for spreading around in shade. To 20cm.

Geranium macrorrhizum 'Album' (Rock cranesbill 'Album'): Superb ground cover Geranium especially for dry shade. White flowers with definite hint of pink. Aromatic foliage. Hardy. To 30cm.

Maianthemum bifolium (False lily of the valley): Shade-loving spreading perennial. Pairs of glossy oval leaves. Like a mini-hosta. Spikes of white star-shaped flowers. Hardy. Up to 10cm.