We have found 31 plants that meet your criteria.

Price Pruned
Yarrow ‘Achillea Walther Funcke’ Bright, terracotta flowers with flat heads NOW £5.49 Buy
African Lily ‘Agapanthus africanus Albus’ White globes of trumpet-shaped flowers £6.99 Buy
African Lily ‘Agapanthus Headbourne Hybrids’ Showy globes of blue and white flowers £5.99 Buy
African Lily ‘Agapanthus Lavender Haze’ A new, large-headed variety £6.99 Buy
Cardoon ‘Cynara cardunculus Cardy’ A fabulous architectural plant £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
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
Plume Poppy ‘Macleaya microcarpa Kelway's Coral Plume’ Towering perennial with hazy flowers and pretty leaves £5.49 Buy
Honey Bush ‘Melianthus major’ Stunning, architectural plant with serrated leaves £9.99 Buy