We have found 52 plants that meet your criteria.

Alkanet ‘Anchusa azurea Loddon Royalist’ Intense blue flowers in early summer £5.49 Buy
Aster ‘Aster amellus Lac de Geneve’ Masses of light blue flowers in late summer £5.99 coming soon
Aster ‘Aster Little Carlow (cordifolius hybrid)’ Pretty violet-blue daisies in late summer £5.99 Buy
Price Pruned
Beard Tongue ‘Penstemon Sour Grapes’ Greyish-blue flowers with metallic sheen NOW £4.99 Buy
Beards Tongue ‘Penstemon Jean Grace’ Stunning mediterranean blue flowers £5.99 Buy
Blue Cowslip ‘Pulmonaria angustifolia Blaues Meer’ Bright blue flowers free flowering £5.49 Buy
Price Pruned
Bugle ‘Ajuga reptans Atropurpurea’ Good groundcover for shade NOW £4.49 Buy
Price Pruned
Bugle ‘Ajuga reptans Burgundy Glow’ Multi-coloured evergreen foliage NOW £4.49 Buy
Price Pruned
Bugle ‘Ajuga reptans Catlin's Giant’ Handsome evergreen ground cover NOW £4.99 Buy
Price Pruned
Catmint ‘Nepeta Six Hills Giant’ A hardy catmint with lavender flowers NOW £4.99 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
Comfrey ‘Symphytum Hidcote Blue’ Blue and white flowers, good ground cover £6.99 Buy
Comfrey ‘Symphytum Hidcote Pink’ Great for a woodland garden £4.99 Buy
Cornflower ‘Centaurea cynarus’ A vivid blue annual for a meadow £1.25 Buy
Field Scabious ‘Knautia arvensis’ A great nectar source for butterflies £1.25 Buy
Giant Catmint ‘Nepeta grandiflora Wild Cat’ A giant catmint with deep purple-blue flowers £5.99 Buy
Giant Sea Holly ‘Eryngium giganteum Silver Ghost’ Stunning silvery white bracts £6.99 Buy