We have found 24 plants that meet your criteria.

Butterfly Collection ‘Butterfly Collection’ Summer-flowering wildflowers £2.99 Buy
Bluebeard ‘Caryopteris x clandonensis Heavenly Blue’ Piercing, dark blue flowers £6.49 Buy
Cornfield Collection ‘Cornfield Seed Collection’ A collection of native wildflowers £2.99 Buy
Price Pruned
Lavender ‘Lavandula angustifolia Munstead’ A compact variety with blue-purple flowers NOW £5.49 Buy
Catmint ‘Nepeta subsessilis Cool Cat’ Lavender-blue flowers. Great for a herb garden £5.99 Buy
Catmint ‘Nepeta subsessilis Washfield’ Pretty catmint with bright blue flowers £5.99 Buy
Catmint ‘Nepeta x faassenii’ Loose drifts of lavender flowers. Great for edging £5.99 Buy
Crocus Special Offers
Catmint ‘Nepeta x faassenii Kit Cat’ A dwarf variety with purple flowers NOW £3.99 Buy
Crocus Special Offers
Russian Sage ‘Perovskia Blue Spire’ Violet-blue flowers and silvery foliage. Great planted en masse NOW £5.99 Buy
New
Sage ‘Salvia lavandulifolia’ £4.99 Buy
Bog Sage ‘Salvia uliginosa’ Intense blue flowers £5.99 Buy
Price Pruned
Mexican Giant Hyssop ‘Agastache Blue Fortune’ Spires of lilac flowers and aromatic leaves NOW £5.49 Buy
Giant Catmint ‘Nepeta grandiflora Wild Cat’ A giant catmint with deep purple-blue flowers £5.99 Buy
Price Pruned
Catmint ‘Nepeta Six Hills Giant’ A hardy catmint with lavender flowers NOW £4.99 Buy
Price Pruned
Russian Sage ‘Perovskia atriplicifolia Little Spire’ A shorter form of the popular Russian sage NOW £5.99 Buy
Rosemary ‘Rosmarinus officinalis Miss Jessopp's Upright’ Lavender-blue flowers £5.99 Buy
Purple Sage ‘Salvia officinalis Purpurascens’ Attractive red-purple young leaves £4.99 Buy
Salvia May Night ‘Salvia x sylvestris Mainacht’ Large indigo-blue flowers £5.99 Buy
Wildflower Plug Plant Collection ‘Wildflowers for a boggy meadow’ A collection of 104... £79.99 Buy
Wildflower Plug Plant Collection ‘Wildflowers for a shady meadow’ A collection of 104... £79.99 Buy