We have found 58 plants that meet your criteria.

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
Price Pruned
Chile Rhubarb ‘Gunnera manicata’ Dramatic, huge leaves. Great beside water NOW £6.99 Buy
Plantain Lily ‘Hosta (Tardiana Group) June’ Luminous, blue-green leaves splashed with lime £5.99 Buy
Plantain Lily ‘Hosta fortunei var. aureomarginata’ Large, bright green leaves with creamy margins £5.99 Buy
Price Pruned
Plantain Lily ‘Hosta Francee (fortunei)’ Olive-green leaves with smart white margins NOW £4.99 Buy
Plantain Lily ‘Hosta Gold Standard’ Spikes of lavender-blue flowers £5.99 Buy
Plantain Lily ‘Hosta Halcyon’ One of the bluest hostas £5.99 Buy
Plantain Lily ‘Hosta Krossa Regal’ Upright, corrugated, blue-green leaves £5.99 Buy
Plantain Lily ‘Hosta Royal Standard’ Fragrant white flowers £5.99 Buy
Plaintain Lily ‘Hosta sieboldiana var. elegans’ Heart shaped, pale green leaves and fragrant flowers £5.99 Buy
Plantain Lily ‘Hosta Wide Brim’ Dark green leaves with cream margins £5.99 Buy
Plume Poppy ‘Macleaya microcarpa Kelway's Coral Plume’ Towering perennial with hazy flowers and pretty leaves £5.49 Buy
Mathiasella ‘Mathiasella bupleuroides Green Dream’ An unusual architectural plant with jade-green, bell-like flowerheads £6.99 Buy
Honey Bush ‘Melianthus major’ Stunning, architectural plant with serrated leaves £9.99 Buy