We have found 142 plants that meet your criteria.

Alkanet ‘Anchusa azurea Loddon Royalist’ Intense blue flowers in early summer £5.49 Buy
Hairy Michaelmas Daisy ‘Aster novae-angliae Andenken an Alma Potschke’ Vivid, coral-pink daisies £5.99 Buy
Michaelmas Daisy ‘Aster novi-belgii Crimson Brocade’ Pretty semi-double, crimson flowers £5.99 Buy
Michaelmas Daisy ‘Aster novi-belgii Purple Dome’ Masses of violet-purple flowers in late summer £5.99 Buy
Michaelmas Daisy ‘Aster sedifolius nanus’ A small plant that has big impact £5.99 Buy
Masterwort ‘Astrantia Dark Shiny Eyes’ Unusual red and silver flowers £6.99 Buy
Masterwort ‘Astrantia major’ An old cottage garden favourite £5.99 Buy
Price Pruned
Masterwort ‘Astrantia major Claret’ One of the darkest astrantias NOW £6.99 Buy
Masterwort ‘Astrantia major Rubra’ Gorgeous plum-coloured flowers £5.99 Buy
Bats-in-the-belfry ‘Campanula trachelium’ Common native hedgerow plant £1.25 Buy
Red Valerian ‘Centranthus ruber’ Clusters of pink, star-shaped flowers £5.49 Buy
Valerian ‘Centranthus ruber Albus’ Perfect for a seaside garden £5.99 Buy
Tickseed ‘Coreopsis Limerock Ruby’ Long-lasting, red flowers £5.99 Buy
Cardoon ‘Cynara cardunculus Cardy’ A fabulous architectural plant £5.99 Buy
Price Pruned
Rusty Foxglove ‘Digitalis ferruginea’ Unusual variety of a garden favourite NOW £5.49 Buy
Globe Thistle ‘Echinops bannaticus Taplow Blue’ Spherical, bright blue flower-heads £5.99 Buy
Globe Thistle ‘Echinops ritro Veitch's Blue’ Good for repeat flowering £5.99 Buy
Sea Holly ‘Eryngium bourgatii Picos Amethyst’ New variety with deep blue flowers £7.99 Buy
Sea Holly (Eryngium planum Blue... ‘Eryngium planum Blauer Zwerg’ Dwarf variety with deep blue flowers £5.49 Buy
Striped Bloody Cranesbill ‘Geranium sanguineum var. striatum’ Long-flowering, compact and drought-tolerant £5.99 Buy