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

Anemonella thalictroides (Mayflower): Gorgeous little white flowers over dainty foliage. Hardy. To 20cm.

Cornus canadensis (creeping dogwood): Ground cover plant with white four petalled flowers in spring. Leaves turn brilliant red in autumn. Ideal under deciduous trees

Digitalis purpurea 'Alba' (White foxglove): Pure white flowers on tall spires in late spring. Biennial so keep and re-sow the seed

Epimedium grandiflorum 'White Queen' (Barrenwort 'White Queen'): Among the largest and showiest of white flowered Epimediums. To 30cm. Hardy.

Lamium maculatum 'White Nancy' (Spotted dead nettle 'White Nancy'): A low ground cover plant with silvery heart-shaped leaves and short stems of white flowers. Brightens up a shady area. Hardy. Up to 20cm.

Lamium orvala 'Album': A woodland perennial with large, white, lipped flowers in late spring. Hardy. Up to 50cm.

Maianthemum racemosum (False solomon's seal. Syn. Smilacena racemosa): Arching sprays of white flowers with bold, oval green foliage. A fine woodland plant, especially if soil is not too dry. To 90cm. Hardy. [Collect Only]

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.

Paeonia lactiflora 'Festiva Maxima' (Paeony 'Festiva Maxima'): A strongly scented form with large double frilly white flowers with tints of pink in the centre. Glossy dark green leaves. Hardy. Up to 90cm. [Collect Only]

Paeonia lactiflora 'Moon of Nippon' (Paeony 'Moon of Nippon'): Large single white flowers with a mass of frilly central bright yellow petaloids. Highly scented. Glossy dark green leaves. Hardy. Up to 90cm. [Collect Only]

Paeonia officinalis 'Alba Plena' (Peony 'Alba Plena'): Sumptuous, large double white flowers above green foliage in May. A traditional cottage garden plant. May need support. [Collect Only]

Podophyllum peltatum (May apple): Large umbrella like leaves, with white waxy flowers beneath. A fine woodland plant. Height to 30cm. Hardy.

Pulmonaria 'Sissinghurst White' (Lungwort 'Sissinghurst White'): Clusters of pure white flowers in spring over white spotted green leaves. To 20cm. Hardy.

Thalictrum aquilegiifolium 'Album' (French meadow rue 'Album'): Clouds of fluffy white flowers in spring, foliage looks like an aquilegia, but much taller. To 1.5m Hardy

Thalictrum Nimbus White = 'Tntnw' (PBR) (Rue 'Nimbus White'): A new variety with dense clouds of fluffy white flowers on dark stems above grey-green ferny foliage like an aquilegia. Hardy. Up to 70cm.

Trillium grandiflorum (American wake-robin): Pure white, three petalled flowers over three-leaved foliage.