We have found 33 plants that meet your criteria.

Alkanet ‘Anchusa azurea Loddon Royalist’ Intense blue flowers in early summer £5.49 Buy
Price Pruned
Angels Trumpet ‘Brugmansia suaveolens (syn. Datura)’ Stunning, night-scented blooms NOW £8.49 Buy
Price Pruned
Bear's Breeches ‘Acanthus spinosus’ A stunning architectural plant NOW £5.49 Buy
Bronze Fennel ‘Foeniculum vulgare Giant Bronze’ Tall perennial with feathery, bronze leaves £4.99 Buy
Cardoon ‘Cynara cardunculus Cardy’ A fabulous architectural plant £5.99 Buy
Coneflower ‘Echinacea purpurea’ Long lasting, rosy purple flowers. £5.99 Buy
Price Pruned
Coneflower ‘Echinacea purpurea Magnus’ Copes well with adverse weather conditions NOW £5.99 Buy
Daylily ‘Hemerocallis lilioasphodelus’ A fragrant variety with bright yellow flowers £5.49 Buy
Delphinium ‘Delphinium Gillian Dallas’ Stunning mauve-blue flowers with a white eye £7.99 Buy
Price Pruned
Delphinium ‘Delphinium Langdon's Orpheus’ Pretty, iridiscent blue-mauve flowers NOW £7.99 Buy
Price Pruned
Delphinium ‘Delphinium Mystique’ Spires of double, purple flowers NOW £7.99 Buy
Price Pruned
Delphinium ‘Delphinium Walton Gemstone’ White flowers with a lavender blush NOW £7.99 Buy
Price Pruned
Foxglove ‘Digitalis purpurea Excelsior Group’ Perfect for a cottage-style garden NOW £5.49 Buy
Price Pruned
Foxglove ‘Digitalis purpurea f albiflora’ Elegant, white flowers on tall stems NOW £5.49 Buy
Price Pruned
Foxglove ‘Digitalis x mertonensis’ Towering spikes of carmine flowers NOW £5.49 Buy
Gaura ‘Gaura lindheimeri’ White, star-shaped flowers and long season £5.49 Buy
Price Pruned
Gaura ‘Gaura lindheimeri Siskiyou Pink’ Long-lasting pink flowers. Copes wth drought NOW £5.49 Buy
Greater Sea Kale ‘Crambe cordifolia’ Huge dark green leaves and fluffy white flowers £5.49 Buy
Hollyhock (Syn Alcea x Althaea... ‘x Alcalthaea suffrutescens Parkallee’ Pale yellow, double flowers £5.99 Buy
Honey Bush ‘Melianthus major’ Stunning, architectural plant with serrated leaves £9.99 Buy