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. [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]

Thalictrum 'Splendide White' (PBR) (Rue 'Splendide White'): Pure white flowers open from spherical buds. Spectacular in dappled shade [Collect Only]

Thalictrum delavayi 'Album' (Chinese meadow rue 'Album'): Dainty cup-shaped white flowers held high above fern-like greyish green leaves. To 1.2m. Hardy [Collect Only]