Achillea ptarmica 'Peter Cottontail' (Sneezewort 'Peter Cottontail'): White, double button-like flowers, ferny grey/green foliage. Prefers full sun and light soil. More compact and larger flowers than other forms. Hardy. Up to 45cm.

Catananche caerulea 'Alba' (Cupid's Dart (White)): Papery white flowers above slender grey-green foliage. Flower heads retains attractive form through winter. Prefers sun and good drainage.To 60cm.

Geranium phaeum 'Album' (Dusky cranesbill 'Album'): Clean white flowers held above bright green foliage. Excellent in shade. Spreading habit. Hardy. Height to 60cm.