We have found 16 plants that meet your criteria.

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
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
Price Pruned
Columbine ‘Aquilegia McKana Hybrids’ Bonnet-like flowers in a range of colours NOW £4.99 Buy
Granny's Bonnet ‘Aquilegia vulgaris William Guinness’ Unusual purple-black flowers £5.49 Buy
Spurge ‘Euphorbia characias subsp. wulfenii’ Handsome tall evergreen with chartreuse flowers in spring £5.99 Buy
Price Pruned
Honey Spurge ‘Euphorbia mellifera’ Makes a grand architectural statement NOW £6.49 Buy
Price Pruned
Spurge ‘Euphorbia polychroma’ Vivid acid yellow flowers NOW £5.49 Buy
Spurge ‘Euphorbia Whistleberry Garnet’ Bold evergreen foliage £6.49 Buy
Horned Violet ‘Viola cornuta Alba Group’ Subtly-scented, pure white flowers £5.99 Buy
Wood Violet (syn. Viola labradonica... ‘Viola riviniana Purpurea Group’ Ideal for a woodland garden £4.99 Buy