We have found 86 plants that meet your criteria.

Milk Parsley ‘Selinum wallichianum’ Flower clusters have a tiered appearance £6.99 coming soon
Price Pruned
Milky Bellflower ‘Campanula lactiflora Loddon Anna’ Soft lilac flowers on tall stems NOW £5.49 Buy
Monks Hood ‘Aconitum Pink Sensation’ A new, pink introduction £7.99 coming soon
Monkshood ‘Aconitum napellus’ Gorgeous deep blue flowers glow in the shade £5.99 coming soon
Monkshood ‘Aconitum Sparks Variety’ Deep violet hooded flowers on tall stems £6.99 coming soon
Monkshood ‘Aconitum Stainless Steel’ Striking metallic-blue hooded flowers £7.99 coming soon
Moth Mullein ‘Verbascum blattaria f. albiflorum’ Great for gravel gardens £5.99 Buy
Mullein ‘Verbascum Spica’ A stately mullein £5.99 Buy
New England Aster ‘Aster novae-angliae Violetta’ Beautiful deep purple flowers £6.99 coming soon
Price Pruned
Orchid Foxglove ‘Digitalis Saltwood Summer’ Stunning orchid-like blooms NOW £6.49 coming soon
Plume Poppy ‘Macleaya microcarpa Kelway's Coral Plume’ Towering perennial with hazy flowers and pretty leaves £5.49 Buy
Pride of Madeira ‘Echium candicans’ Dramatic purple spikes in early summer. Drought tolerant £5.99 coming soon
Rodgersia ‘Rodgersia podophylla’ Handsome foliage plant £5.99 Buy
Price Pruned
Rusty Foxglove ‘Digitalis ferruginea’ Unusual variety of a garden favourite NOW £5.49 Buy
Scottish Thistle ‘Onopordum acanthium’ Architectural plant for a sunny border £5.49 coming soon
Price Pruned
Sea Kale ‘Crambe maritima’ A profusion of delicate, white summer flowers NOW £5.99 Buy
Spider Flower ‘Cleome hassleriana Helen Campbell’ Scented sprays of white flowers £3.99 coming soon
Tall Bearded Iris ‘Iris Supreme Sultan’ A large flowering iris £6.99 Buy
Teasel ‘Dipsacus fullonum’ Often grown by gardeners to attract Goldfinches £1.25 Buy
Tower of Jewels ‘Echium pininana’ Enormous spikes of blue flowers £6.99 coming soon