We have found 137 plants that meet your criteria.

Monkshood ‘Aconitum napellus’ Gorgeous deep blue flowers glow in the shade £5.95 Buy
African Lily ‘Agapanthus Black Pantha’ Deep blue, almost black flowers £8.95 Buy
Crocus Special Offers
African Lily ‘Agapanthus Lavender Haze’ NOW £2.95 Buy
Price Pruned
Mexican Giant Hyssop ‘Agastache Blue Fortune’ Spires of lilac flowers and aromatic leaves NOW £5.45 Buy
Price Pruned
Bugle ‘Ajuga reptans Atropurpurea’ Good groundcover for shade NOW £4.95 Buy
Price Pruned
Bugle ‘Ajuga reptans Catlin's Giant’ Handsome evergreen ground cover NOW £4.95 Buy
Price Pruned
Amsonia ‘Amsonia tabernaemontana’ Dense clusters of ice-blue, star-like flowers NOW £5.95 Buy
Wood Anemone ‘Anemone blanda’ Bright little jewels in spring £2.99 Buy
Price Pruned
Granny's Bonnet ‘Aquilegia caerulea’ A cottage garden favourite NOW £2.70 Buy
Aster ‘Aster Little Carlow (cordifolius hybrid)’ Pretty violet-blue daisies in late summer £5.95 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
Butterfly Collection ‘Butterfly Collection Butterfly Collection’ Summer-flowering wildflowers £2.99 Buy
Price Pruned
Lesser Catmint ‘Calamintha nepeta subsp. nepeta Blue Cloud’ Aromatic leaves and blue flowers NOW £4.95 Buy
Crocus Special Offers
Delphinium ‘Delphinium Blue Jay’ Showy, semi-double blue flowers with dark eyes NOW £2.95 Buy
Pride of Madeira ‘Echium candicans’ Dramatic purple spikes in early summer. Drought tolerant £6.95 Buy
Sea Holly (Eryngium planum Blue... ‘Eryngium planum Blauer Zwerg’ Dwarf variety with deep blue flowers £5.45 Buy
Sea Holly ‘Eryngium x zabelii Jos Eijking’ Spiny metallic-blue flowers in late summer £6.95 Buy
Cranesbill ‘Geranium Philippe Vapelle’ A mass of light sky-blue flowers in June and July £5.95 Buy
Meadow Cranesbill ‘Geranium pratense Mrs Kendall Clark’ Plenty of charming first rate flowers £5.95 Buy