We have found 62 plants that meet your criteria.

Price Pruned
Granny's Bonnet ‘Aquilegia caerulea’ A cottage garden favourite NOW £4.99 Buy
Price Pruned
Jacob's Ladder ‘Polemonium caeruleum’ Bell-shaped, lavender-blue flowers in early summer. NOW £4.99 Buy
Cranesbill ‘Geranium Johnson's Blue’ Elegant blue flowers, good for groundcover £4.99 Buy
Price Pruned
Milky Bellflower ‘Campanula lactiflora Pritchard's Variety’ Masses of bell-like lilac flowers NOW £4.99 Buy
New
Spanish Sage ‘Salvia lavandulifolia’ A great alternative to common sage £4.99 Buy
Price Pruned
Greater Periwinkle ‘Vinca major’ Elegant blue-violet flowers NOW £4.99 Buy
Price Pruned
Columbine ‘Aquilegia McKana Hybrids’ Bonnet-like flowers in a range of colours NOW £4.99 Buy
Price Pruned
Sweet Violet ‘Viola odorata’ Sweetly fragrant flowers NOW £4.99 Buy
Purple Sage ‘Salvia officinalis Purpurascens’ Attractive red-purple young leaves £4.99 Buy
Price Pruned
Catmint ‘Nepeta Six Hills Giant’ A hardy catmint with lavender flowers NOW £4.99 Buy
Blue Cowslip ‘Pulmonaria angustifolia Blaues Meer’ Bright blue flowers free flowering £5.49 Buy
Viola (syn. Viola Boughton Blue)... ‘Viola Belmont Blue’ Masses of violet-blue blooms £5.49 Buy
Navelwort ‘Omphalodes cappadocica Starry Eyes’ Bright blue flowers. Good ground cover £5.49 Buy
Price Pruned
Perennial Phlox ‘Phlox paniculata Blue Paradise’ Fragrant violet flowers all summer NOW £5.49 Buy
Speedwell ‘Veronica Shirley Blue’ Saucer-shaped blue flowers £5.49 Buy
Beard Tongue ‘Penstemon Sour Grapes’ Greyish-blue flowers with metallic sheen £5.49 Buy
Wood Cranesbill ‘Geranium sylvaticum Mayflower’ Intense violet-blue flowers. Ideal for woodland £5.49 Buy
Price Pruned
Culver's Root ‘Veronicastrum virginicum Fascination’ Elegant spires of bluey-mauve blooms NOW £5.49 Buy
Speedwell ‘Veronica austriaca subsp. teucrium Royal Blue’ Slender spires of sky blue flowers £5.99 Buy
Speedwell ‘Veronica austriaca teucrium Crater Lake Blue’ Ultra-marine flowers £5.99 Buy