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

Campanula persicifolia var. alba (Peach-leaved bellflower white flowered): Pure white large rounded cups on upright stems. Height to 70cm. Hardy.

Cenolophium denudatum (Seseli libanotis, Baltic parsley): Flat umbels of pretty white flowers in summer. Fine, filigree foliage. Great in borders, sun or part shade. Hardy. To 90cm [Collect Only]

Convallaria majalis 'Flore Pleno' (Lily of the Valley - double flowered): Scented double white bells in spring, Great for spreading around in shade. To 20cm. [Collect Only]

Geranium himalayense 'Derrick Cook' (Cranesbill 'Derrick Cook'): Large white flowers with delicate purple veining above a clump of bright green leaves. Foliage turns red in autumn. To 35cm. Hardy.

Geranium maculatum 'Album' (white spotted cranesbill): Clean white flowers over neat foliage. Great for establishing under trees and in shady areas.

Persicaria amplexicaulis 'Alba' (white flowered red bistort): Spikes of white flowers in late summer. Large oval pointed leaves. Hardy. Up to 1.2m.

Petasites paradoxus (Alpine butterburr): Silvery, wide but pointed leaves in summer. Flowers resembling white studded tennis balls in February. Excellent foliage plant.To 30cm. Hardy [Collect Only]

Physostegia virginiana 'Alba' (Obedient plant 'Alba'): Spires of white flowers on slowly spiralling stems. A good border filler as it soon clumps up. To 70cm.

Tradescantia (Andersoniana Group) 'Innocence' (Spider lily 'Innocence'): Three-petalled pure white flowers with purple tinged anthers. Strappy bright green foliage.

Valeriana officinalis (Common valerian): Tall perennial with branched stems of tiny, soft white/pale pink flowers in early summer. Ferny, foliage. Hardy. Up to 1.2m. [Collect Only]