Aster trifoliatus subsp. ageratoides 'Ashvi': White flowers in a neat mound over a very long season - July to November. Hardy. Up to 80cm.

Astilbe 'Ellie': Large, upright panicles of white flowers in mid-summer over dark green ferny foliage. Hardy. Up to 80cm. [Collect Only]

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

Geranium pratense var. pratense f. albiflorum 'Laura' (PBR) (Meadow cranesbill 'Laura'): An attractive double form of the familiar meadow cranesbill with lovely pure white flowers. Strong growing. Hardy. Up to 70cm. [Collect Only]

Geranium sylvaticum 'Album' (Wood cranesbill): Upright stems of white saucer-shaped flowers above deeply divided leaves. Prefers moist shadier spots. Hardy. Up to 70cm.

Libertia grandiflora (Libertia): Starry white flowers above stiff, slender strappy green foliage. To 90cm.

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]

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.

Rodgersia 'Irish Bronze': Bronze tinted leaves, shaped much like a horse-chestnut's. Sprays of fluffy white flowers in mid-summer. To 70cm. Hardy. [Collect Only]

Silene fimbriata (Fringed Campion): Greeny white fringed bell-shaped flowers, loved by bees. Can spread quite vigorously, though will be less so in a dry spot. Hardy. Up to 75cm.