We have found 20 plants that meet your criteria.

Price Pruned
Bear's Breeches ‘Acanthus spinosus’ A stunning architectural plant NOW £5.49 Buy
Yarrow ‘Achillea filipendulina Cloth of Gold’ Flat, plate-like yellow flowers on tall stems £5.99 Buy
Wild Angelica ‘Angelica sylvestris Vicar's Mead’ Great for a wildflower garden £6.99 Buy
Crocus Special Offers
Feather Reed Grass ‘Calamagrostis x acutiflora Karl Foerster’ Upright and architectural NOW £9.99 Buy
Greater Sea Kale ‘Crambe cordifolia’ Huge dark green leaves and fluffy white flowers £5.49 Buy
Price Pruned
Sea Kale ‘Crambe maritima’ A profusion of delicate, white summer flowers NOW £5.99 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
African Lily ‘Agapanthus Lavender Haze’ A new, large-headed variety £6.99 Buy
Angelica ‘Angelica archangelica’ Stunning accent plant £6.99 Buy
Angelica ‘Angelica gigas’ Tall, dramatic burgundy flowers £6.99 Buy
Cardoon ‘Cynara cardunculus Cardy’ A fabulous architectural plant £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
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
Pride of Madeira ‘Echium candicans’ Dramatic purple spikes in early summer. Drought tolerant £5.99 coming soon
Tower of Jewels ‘Echium pininana’ Enormous spikes of blue flowers £6.99 coming soon
Milk Parsley ‘Selinum wallichianum’ Flower clusters have a tiered appearance £6.99 coming soon