We have found 137 plants that meet your criteria.

Hyssop ‘Agastache Black Adder’ Distinctive violet, bottlebrush flowers £5.45 Buy
Price Pruned
Allium ‘Allium cristophii’ Huge globes of star-like, lilac flowers NOW £4.95 Buy
Price Pruned
Allium ‘Allium hollandicum Purple Sensation’ Rich, deep purple globes NOW £2.95 Buy
Price Pruned
Allium Schubertii ‘Allium Schubertii’ Giant pink starbursts NOW £4.95 Buy
Price Pruned
Round-headed Leek ‘Allium sphaerocephalon’ Small, wine-coloured flowers on tall stems NOW £5.45 Buy
Angelica ‘Angelica gigas’ Tall, dramatic burgundy flowers £6.95 Buy
Michaelmas Daisy ‘Aster pyrenaeus Lutetia’ One of the most reliable asters £5.45 Buy
Michaelmas Daisy ‘Aster sedifolius nanus’ A small plant that has big impact £5.95 Buy
Michaelmas Daisy ‘Aster turbinellus’ Sprays of violet blue flowers £5.45 Buy
Masterwort ‘Astrantia major Rubra’ Gorgeous plum-coloured flowers £5.95 Buy
Price Pruned
Masterwort ‘Astrantia major var. rosea’ Unusual, pale pink flowers NOW £5.95 Buy
Butterfly Collection ‘Butterfly Collection Butterfly Collection’ Summer-flowering wildflowers £2.99 Buy
Price Pruned
Dalmatian Bellflower ‘Campanula portenschlagiana’ Vigorous and low-growing NOW £4.95 Buy
Cardoon ‘Cynara cardunculus Cardy’ A fabulous architectural plant £5.95 Buy
Price Pruned
Delphinium ‘Delphinium Walton Gemstone’ White flowers with a lavender blush NOW £7.95 Buy
Price Pruned
Pink ‘Dianthus amurensis’ A mat-forming pink with mauve flowers NOW £4.95 Buy
Price Pruned
Pink ‘Dianthus Gran's Favourite’ White flowers streaked with dark purple NOW £3.95 Buy
Pride of Madeira ‘Echium candicans’ Dramatic purple spikes in early summer. Drought tolerant £6.95 Buy
Erigeron ‘Erigeron Dunkelste Aller (Darkest of All)’ Large dark violet daisies £6.95 Buy
Pineapple Lily ‘Eucomis bicolor’ Huge, exotic, spiky flowers £6.95 Buy