Aconitum napellus 'Album' (White Monkshood): White hooded flowers over finely divided frondy foliage. A great plant for shade, even quite dry shade. Flowers at about 1.2m Hardy. All parts are highly toxic [Collect Only]

Dierama 'Snow Bells' (white angel's fishing rod): Tall, wiry, arching stems with white nodding bells. Grassy foliage. Likes well-drained soil that doesn't dry out. Hardy. Up to 1.5m.

Gaura lindheimeri 'The Bride': Beautiful airy stems of white flowers in mid to late summer. Best in full sun, in well drained soil and a sheltered spot. Stems up to 1m.

Lamprocapnos spectabilis 'Alba' (formerly Dicentra) (Bleeding Heart, Dicentra): Pure white form of the familiar Bleeding Heart. Very pretty in dappled shade. Does best in soil that isn't too dry. Hardy. To 70cm [Collect Only]

Paeonia 'Moonrise': Beautiful large single creamy white flowers with a big fluffy yellow centre. Highly scented. Glossy mid green leaves. Hardy. Up to 90cm. [Collect Only]