Anemone nemorosa (Wood anemone): Low growing, pure white anemone which flowers in early spring. Hardy. To 10cm

Anemone sylvestris (Snowdrop anemone): Large pure white flowers over a mound of green ferny foliage. Hardy. Up to 30cm.

Calamintha nepeta 'White Cloud': Spikes of small white flowers above mounds of minty scented green leaves. Loved by bees and butterflies. Hardy. Up to 30cm.

Campanula glomerata 'Alba' (White clustered bellflower): Tight clusters of white flowers on short stems above neat, mat-forming foliage. Height about 30cm. Hardy.

Centaurea montana 'Purple Heart' (Perennial cornflower 'Purple Heart'): Large white cornflower-like flowers with violet central markings. Loved by bees and butterflies. To 30cm.

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.

Geranium sanguineum 'Album' (Bloody cranesbill 'Album'): Pure white flowers over a mat of dark green leaves. Perfect for border edging. Long Flowering.To 20cm. Fully hardy.

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.

Mukdenia rossii: Short plump spikes of white flowers in spring, but mainly grown for its foliage which turns brilliant red in autumn. Up to 30cm.

Phlox divaricata 'May Breeze': A beauty with strongly scented pure white flowers. Semi-evergreen foliage and spreading habit. A great cottage garden plant.Hardy. To 30cm

Primula denticulata var. alba (Drumstick primula - white): Pure white balls of flowers on sturdy stems. To 25cm. Hardy