We have found 15 plants that meet your criteria.

Price Pruned
Granny's Bonnet ‘Aquilegia caerulea’ A cottage garden favourite NOW £3.99 Buy
Globe Thistle ‘Echinops bannaticus Blue Globe’ Large globes of dark blue flowers £5.99 Buy
Globe Thistle ‘Echinops ritro Veitch's Blue’ Good for repeat flowering £5.99 Buy
Cranesbill ‘Geranium Spinners’ Wonderful large deep purple blue blooms £5.99 Buy
Siberian Iris ‘Iris sibirica Caesar's Brother’ Intense violet flowers. Great in boggy ground £5.99 Buy
Siberian Flag ‘Iris sibirica Perry's Blue’ Looks great planted in bold clumps £5.99 Buy
Siberian Flag ‘Iris sibirica Tropic Night’ Violet flowers with yellow throats. Good for boggy ground £5.99 Buy
Crocus Special Offers
Russian Sage ‘Perovskia Blue Spire’ Violet-blue flowers and silvery foliage. Great planted en masse NOW £5.99 Buy
Price Pruned
Columbine ‘Aquilegia McKana Hybrids’ Bonnet-like flowers in a range of colours NOW £4.99 Buy
Price Pruned
Granny's Bonnet ‘Aquilegia vulgaris var. stellata Blue Barlow’ Stunning violet-blue double flowers NOW £4.99 Buy
Crocus Special Offers
Michaelmas Daisy ‘Aster turbinellus’ Sprays of violet blue flowers NOW £5.99 Buy
Bearded Iris ‘Iris Jane Phillips’ A popular variety with blue flowers £6.99 Buy
Siberian Iris ‘Iris sibirica Flight of the Butterflies’ Pretty violet-blue flowers £5.99 Buy
Price Pruned
Sweet Violet ‘Viola odorata’ Sweetly fragrant flowers NOW £4.99 Buy
Wood Cranesbill ‘Geranium sylvaticum Mayflower’ Intense violet-blue flowers. Ideal for woodland £5.49 coming soon