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

Pulsatilla vulgaris 'Alba' (Pasque flower - white): Large cup shaped white flowers over soft ferny foliage. Thrives in sunny, well drained spots. To 40cm.

Pulsatilla vulgaris Heiler hybrids: Mixed colour range, purple, pink, red or white. Lovely ornamental seed heads. Prefers a well drained, sunny site. Hardy. Up to 30cm.