We have found 73 plants that meet your criteria.

Sea Holly ‘Eryngium planum Blaukappe’ Tall, with intensely blue flowers £5.49 coming soon
Sea Holly ‘Eryngium x zabelii Jos Eijking’ Spiny metallic-blue flowers in late summer £7.99 Buy
Spurge ‘Euphorbia characias Silver Swan’ Delightful variegated foliage £6.99 Buy
Price Pruned
Wood Spurge ‘Euphorbia characias subsp. characias Humpty Dumpty’ Delightful apple-green spring flowers NOW £5.49 coming soon
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 nicaeensis’ Long lasting flowers and structural shape NOW £5.49 Buy
New
Spurge ‘Euphorbia seguieriana’ Great for adding texture and structure £5.49 Buy
Price Pruned
Chile Rhubarb ‘Gunnera manicata’ Dramatic, huge leaves. Great beside water NOW £6.99 Buy
Price Pruned
Ginger Lily ‘Hedychium coronarium’ Strongly scented pure white flowers NOW £6.99 Buy
Price Pruned
Ginger Lily ‘Hedychium densiflorum’ The tallest of the ginger lilies NOW £6.99 Buy
Price Pruned
Ginger Lily ‘Hedychium gardnerianum’ Architectural foliage and fragrant yellow flowers NOW £6.99 Buy
Price Pruned
Ginger Lily ‘Hedychium greenii’ A more compact form with red flowers NOW £6.99 Buy
Plantain Lily ‘Hosta (Tardiana Group) June’ Luminous, blue-green leaves splashed with lime £5.99 Buy
Plantain Lily ‘Hosta Big Daddy’ Enormous, grey-green, puckered leaves £5.99 Buy
Plantain Lily ‘Hosta Blue Wedgwood’ Giant, glaucous, wavy-edged leaves £5.99 coming soon
Price Pruned
Plantain Lily ‘Hosta Fire and Ice’ A variegated variety with splashes of white NOW £5.99 coming soon
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