We have found 18 plants that meet your criteria.

Japanese Anemone ‘Anemone x hybrida Honorine Jobert’ Lights up the garden in late summer £5.99 Buy
Aster ‘Aster lateriflorus Lady in Black’ Masses of tiny, pink-tinged daisies £5.99 Buy
Flat-topped Aster ‘Aster umbellatus’ Masses of small white flowers from late summer £5.99 Buy
White Snakeroot ‘Eupatorium rugosum Chocolate’ A late-flowering perennial with lovely, dark foliage £5.99 Buy
Shasta Daisy ‘Leucanthemum x superbum Phyllis Smith’ A white daisy with unusual, ragged petals £6.99 Buy
Crocus Special Offers
Bergamot ‘Monarda Schneewittchen (syn. Snow Maiden)’ Whorls of wonderful, white flowers NOW £4.99 Buy
Price Pruned
Perennial Phlox (syn. Fujiyama)... ‘Phlox paniculata Mount Fuji’ Fragrant, small, starry white flowers NOW £5.49 Buy
Price Pruned
Windflower ‘Anemone leveillei’ Pristine white flowers with blue backs NOW £5.49 Buy
Cranesbill ‘Geranium clarkei Kashmir White’ Delicate, white flowers in late summer £5.99 Buy
Everlasting Sweet Pea ‘Lathyrus latifolius White Pearl’ Climber with white, sweet pea-like flowers £5.99 Buy
Shasta Daisy ‘Leucanthemum Silver Princess’ Elegant single white flowers £5.49 Buy
Price Pruned
Shasta Daisy ‘Leucanthemum x superbum Snowcap’ Masses of intensely white flowers NOW £5.49 Buy
Shasta Daisy ‘Leucanthemum x superbum Wirral Supreme’ One of the best double shasta daisies £5.99 Buy
Price Pruned
Lesser Periwinkle ‘Vinca minor Gertrude Jekyll’ Abundance of small white flowers NOW £5.99 Buy
Rock Cranesbill ‘Geranium macrorrhizum Album’ White flowers. Perfect for suppressing weeds £5.99 coming soon
Perennial Phlox ‘Phlox paniculata David’ Gorgeous, fragrant white flowers in late summer £5.49 coming soon
Price Pruned
Sowbread ‘Cyclamen hederifolium f. albiflorum’ Pure white flowers and beautiful leaves NOW £2.99 coming soon
Price Pruned
Perennial Phlox ‘Phlox paniculata White Admiral’ Elegant, white, starry flowers. Long flowering season, too NOW £5.49 coming soon