We have found 36 plants that meet your criteria.

Cow Parsley ‘Anthriscus sylvestris Ravenswing’ Lacy purple foliage with a sprinkling of white flowers £6.99 Buy
Rock Bells ‘Aquilegia canadensis’ Delicate, nodding flowers. Ideal in a meadow £4.99 Buy
Columbine ‘Aquilegia Kristall’ Pure white bell-like flowers £5.49 Buy
Price Pruned
Granny's Bonnet ‘Aquilegia vulgaris var. stellata Black Barlow’ Striking dark purple, double flowers NOW £4.99 Buy
Granny's Bonnet ‘Aquilegia vulgaris var. stellata Ruby Port’ Stunning, double, ruby-red flowers £5.99 Buy
Price Pruned
Granny's Bonnet ‘Aquilegia Yellow Queen’ Elegant lemon yellow flowers NOW £5.49 Buy
Greater Sea Kale ‘Crambe cordifolia’ Huge dark green leaves and fluffy white flowers £5.49 Buy
Price Pruned
Sea Kale ‘Crambe maritima’ A profusion of delicate, white summer flowers NOW £5.99 Buy
Bleeding Heart ‘Dicentra Ivory Hearts’ Compact variety with ivory lockets £5.99 Buy
Bleeding Heart ‘Dicentra spectabilis’ Arching sprays of pink, heart-shaped flowers £5.49 Buy
Wallflower ‘Erysimum cheiri Blood Red’ Look great with tulips £4.99 Buy
Spurge ‘Euphorbia characias Silver Swan’ Delightful variegated foliage £6.99 Buy
Price Pruned
Spurge ‘Euphorbia nicaeensis’ Long lasting flowers and structural shape NOW £5.49 Buy
Spurge ‘Euphorbia seguieriana’ Great for adding texture and structure £5.49 Buy
Gaura ‘Gaura lindheimeri’ White, star-shaped flowers and long season £5.49 Buy
Libertia ‘Libertia grandiflora’ Great for a gravel garden £5.99 Buy
Lupin ‘Lupinus Inspiration’ £6.99 Buy
West Country Lupin ‘Lupinus Red Rum’ A long flowering variety £6.99 Buy
Oriental Poppy ‘Papaver orientale Patty's Plum’ Deep reddish-purple, pleated flowers £5.99 Buy
Price Pruned
Columbine ‘Aquilegia McKana Hybrids’ Bonnet-like flowers in a range of colours NOW £4.99 Buy