Acanthus mollis (Latifolius Group) 'Rue Ledan (Bear's Breeches 'Rue Ledan'): Architectural spikes of hooded pure white spiny flowers over large, soft, bright green leaves. Best in sun or part shade. Height to 1.2m [Collect Only]

Achillea ptarmica 'The Pearl' (Yarrow 'The Pearl): Tight buttons of white flowers, ferny grey/green foliage. Prefers full sun and light well-drained soil. Hardy. Up to 60cm.

Aruncus 'Horatio' (Goat's beard 'Horatio'): A very elegant form of the familiar goat's beard, with fine sprays of creamy flowers in summer. To 1.2m. Hardy [Collect Only]

Aruncus dioicus (Goat's beard): Stately plant for larger borders or feature plant. Deeply divided foliage, frothy panicles of creamy white flowers in summer. Hardy. Up to 2m.

Astrantia major (Greater masterwort): White/green pincushion flowers. Good for drying, I'm told! Great in sun/shade in soil that isn't too dry. Hardy. Up to 60cm.

Astrantia major subsp. involucrata 'Shaggy' (Hattie's pincushion, Masterwort 'Shaggy'): Greenish white umbel flowers surrounded by long white bracts above mounds of green palmate leaves. Long flowering. Up to 80cm. Hardy

Calamintha nepeta 'White Cloud': Spikes of small white flowers above mounds of minty scented green leaves. Loved by bees and butterflies. Hardy. Up to 30cm.

Catananche caerulea 'Alba' (Cupid's Dart (White)): Papery white flowers above slender grey-green foliage. Flower heads retains attractive form through winter. To 60cm. Hardy

Centaurea montana 'Alba' (Perennial cornflower - white): Large white cornflower-like flowers over grey-green foliage. To 30cm. Hardy. [Collect Only]

Fuchsia 'Hawkshead': One of the hardier Fuchsias. Dark green foliage and dainty white flowers, tinged with green. Need a sheltered spot. Up to 1m. [Collect Only]

Fuchsia magellanica 'Alba': Hardy fuchsia with white flowers tinged with pink. Deciduous shrub with lance shaped deep green leaves. Prefers a sheltered spot. Up to 1.2m. [Collect Only]

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 sanguineum 'Album' (Bloody cranesbill 'Album'): Pure white flowers over a mat of dark green leaves. Height to 20cm. Fully hardy. [Collect Only]

Leucanthemum x superbum 'Wirral Supreme': Tall form of Shasta daisy with white flowers and multiple shorter petals around the golden centre, making an attractive frilly effect. Hardy. Up to 1.5m.

Monarda 'Schneewittchen' (Bergamot 'Schneewittchen'): Whorls of pure white flowers held high above aromatic foliage. Does well in sun or part shade and in moist soil. Attractive to bees. To 90cm. Hardy.

Morina longifolia: Whorls of white tubular flowers which age to pink, above prickly rosettes of glossy dark green aromatic leaves. Hardy. Up to 90cm.

Penstemon 'White Bedder': Pure white tubular flowers over semi-evergreen foliage. Frost-hardy perennial. Up to 60cm.

Primula japonica 'Alba' (Japanese primula 'Alba'): Whorls of white flowers on tall stems, rising from a rosette of green leaves. To 60cm. Hardy

Salvia nemorosa 'Sensation White' (Balkan Clary 'Sensation White'): Compact with spikes of pure white flowers. Height 30cm. Likes humus rich, well-drained soil in sunny position. [Collect Only]

Salvia x sylvestris 'Schneehugel' (Wood Sage 'Schneehugel'): White flower spikes above grey-green leaves. Flower over a long season from mid-summer. Bees love it! Hardy. Up to 50cm.

Scabiosa caucasica 'Perfecta Alba' (Scabious 'Perfecta Alba'): Large pure white frilled flowers over lance-shaped grey-green foliage. Height to 60cm. Hardy.

Selinum wallichianum (Wallich milk parsley): Stately umbellifer with large white heads atop large lacy leaves. Hardy. To 1.5m

Stokesia laevis 'Alba' (Stoke's aster): Large fluffy white flowers in mid summer above slender green leaves. Likes a well drained but fertile soil in full sun. Up to 60cm. Hardy

Veronica longifolia 'Charlotte' (PBR) (Long-leaved speedwell 'Charlotte'): Spikes of white flowers, slender variegated leaves. Good in sun or part shade. Hardy. Height to 40cm.

Veronica longifolia 'Melanie White' (Long-leaved speedwell 'Melanie White'): Spikes of pure, clean white flowers, and long slender foliage. Good in sun or part shade. Good as a cut-flower. Hardy. Up to 60cm.

Veronicastrum virginicum 'Album' (Culver's Root 'Album'): Slender spikes of white flowers above rising whorls of slender green leaves. To 1.5m. Hardy

Vinca minor f. alba 'Gertrude Jekyll' (Small white periwinkle 'Gertrude Jekyll'): A compact mat-forming evergreen perennial with trailing stems of dark green leaves. White flowers from mid spring to autumn.