We have found 54 plants that meet your criteria.

African Lily ‘Agapanthus africanus’ Globes of blue flowers in late summer £5.99 Buy
African Lily ‘Agapanthus Headbourne Hybrids’ Showy globes of blue and white flowers £5.99 Buy
Alkanet ‘Anchusa azurea Loddon Royalist’ Intense blue flowers in early summer £5.49 Buy
Price Pruned
Alpine Columbine ‘Aquilegia alpinum’ Delicate, nodding blue flowers in spring NOW £4.99 coming soon
Price Pruned
Amsonia ‘Amsonia tabernaemontana’ Dense clusters of ice-blue, star-like flowers NOW £5.99 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
Bugle ‘Ajuga reptans Atropurpurea’ Good groundcover for shade NOW £4.99 Buy
Price Pruned
Bugle ‘Ajuga reptans Burgundy Glow’ Multi-coloured evergreen foliage NOW £4.99 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
Catmint ‘Nepeta x faassenii Kit Cat’ A dwarf variety with purple flowers £5.99 Buy
Catnip ‘Nepeta racemosa Walker's Low’ Long flowering period £5.99 Buy
Price Pruned
Columbine ‘Aquilegia McKana Hybrids’ Bonnet-like flowers in a range of colours NOW £4.99 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 coming soon
Cranesbill ‘Geranium Brookside’ Deep blue flowers and long flowering seasons £5.99 Buy