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]

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

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]