We have found 50 plants that meet your criteria.

Hyssop ‘Agastache Black Adder’ Distinctive violet, bottlebrush flowers £5.45 Buy
Michaelmas Daisy ‘Aster novi-belgii Purple Dome’ Masses of violet-purple flowers in late summer £5.95 Buy
Michaelmas Daisy ‘Aster sedifolius nanus’ A small plant that has big impact £5.95 Buy
Crocus Special Offers
Michaelmas Daisy ‘Aster turbinellus’ Sprays of violet blue flowers NOW £3.95 Buy
Butterfly Collection ‘Butterfly Collection Butterfly Collection’ Summer-flowering wildflowers £2.99 Buy
Price Pruned
Pink ‘Dianthus amurensis’ A mat-forming pink with mauve flowers NOW £4.95 Buy
Balkan Cranesbill ‘Geranium macrorrhizum Bevan's Variety’ Magenta flowers. Perfect for suppressing weeds £5.95 Buy
Cranesbill ‘Geranium pratense Midnight Reiter’ Unusual deep purple foliage £5.95 Buy
Field Scabious ‘Knautia arvensis’ A great nectar source for butterflies £1.25 Buy
Crocus Special Offers
Big Blue Lily-turf ‘Liriope muscari’ Purple, wand-like flowers and evergreen foliage NOW £5.95 Buy
Price Pruned
Bergamot ‘Monarda Ou Charm’ Pretty, pink flowers and purple bracts NOW £5.45 Buy
Crocus Special Offers
Catmint ‘Nepeta x faassenii Kit Cat’ A dwarf variety with purple flowers NOW £3.95 Buy
Crocus Special Offers
Salvia ‘Salvia nemorosa Amethyst’ Lilac-purple spires of flowers NOW £3.95 Buy
Stonecrop ‘Sedum Purple Emperor’ Fabulous variety with gorgeous deep bronze-purple foliage £6.95 Buy
Moor Grass ‘Sesleria autumnalis’ Perfect for informal edging £5.95 Buy
Meadow Rue ‘Thalictrum delavayi’ Mauve-blue flowers purple stems £5.45 Buy
Crocus Special Offers
Ironweed ‘Vernonia crinita’ Great plant for prairie-style planting NOW £4.95 Buy
Price Pruned
Yarrow ‘Achillea millefolium Lilac Beauty’ An unusual lilac, yarrow NOW £5.45 Buy
Michaelmas Daisy ‘Aster pyrenaeus Lutetia’ One of the most reliable asters £5.45 Buy
Price Pruned
Milky Bellflower ‘Campanula lactiflora Loddon Anna’ Soft lilac flowers on tall stems NOW £4.95 Buy