We have found 63 plants that meet your criteria.

African Lily ‘Agapanthus africanus’ Globes of blue flowers in late summer £5.99 Buy
Price Pruned
Mexican Giant Hyssop ‘Agastache Blue Fortune’ Spires of lilac flowers and aromatic leaves NOW £5.49 Buy
Price Pruned
Granny's Bonnet ‘Aquilegia caerulea’ A cottage garden favourite NOW £4.99 Buy
Crocus Special Offers
Michaelmas Daisy ‘Aster turbinellus’ Sprays of violet blue flowers NOW £5.99 Buy
Crocus Special Offers
Lesser Catmint ‘Calamintha nepeta subsp. nepeta Blue Cloud’ Aromatic leaves and blue flowers NOW £5.99 Buy
Price Pruned
Milky Bellflower ‘Campanula lactiflora Pritchard's Variety’ Masses of bell-like lilac flowers NOW £4.99 Buy
Cornflower ‘Centaurea cynarus’ A vivid blue annual for a meadow £1.25 Buy
Crocus Special Offers
Hardy Plumbago ‘Ceratostigma willmottianum’ Excellent red autumn foliage NOW £4.99 Buy
Price Pruned
Delphinium ‘Delphinium Cupid’ Pale sky blue flowers with a white eye NOW £7.99 Buy
Delphinium ‘Delphinium Gillian Dallas’ Stunning mauve-blue flowers with a white eye £7.99 Buy
Price Pruned
Delphinium ‘Delphinium Langdon's Orpheus’ Pretty, iridiscent blue-mauve flowers NOW £7.99 Buy
Globe Thistle ‘Echinops bannaticus Blue Globe’ Large globes of dark blue flowers £5.99 Buy
Sea Holly ‘Eryngium x zabelii Jos Eijking’ Spiny metallic-blue flowers in late summer £7.99 Buy
Bearded Iris ‘Iris Fort Apache’ Luscious maroon blooms £6.99 Buy
Price Pruned
Great Purple Flag ‘Iris pallida Argenteovariegata’ Stunning grey-green and white variegated leaves NOW £5.99 Buy
Siberian Iris ‘Iris sibirica Caesar's Brother’ Intense violet flowers. Great in boggy ground £5.99 Buy
Siberian Flag ‘Iris sibirica Tropic Night’ Violet flowers with yellow throats. Good for boggy ground £5.99 Buy
Field Scabious ‘Knautia arvensis’ A great nectar source for butterflies £1.25 Buy
Catnip ‘Nepeta racemosa Walker's Low’ Long flowering period £5.99 Buy
Catmint ‘Nepeta subsessilis Cool Cat’ Lavender-blue flowers. Great for a herb garden £5.99 Buy