We have found 90 plants that meet your criteria.

Monkshood ‘Aconitum Stainless Steel’ Striking metallic-blue hooded flowers £7.95 Buy
African Lily ‘Agapanthus africanus’ Globes of blue flowers in late summer £5.95 Buy
Price Pruned
African Lily ‘Agapanthus Peter Pan’ A compact variety with pale blue flowers NOW £9.95 Buy
Price Pruned
Granny's Bonnet ‘Aquilegia caerulea’ A cottage garden favourite NOW £3.95 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
Crocus Special Offers
Michaelmas Daisy ‘Aster turbinellus’ Sprays of violet blue flowers NOW £3.95 Buy
Price Pruned
Milky Bellflower ‘Campanula lactiflora Pritchard's Variety’ Masses of bell-like lilac flowers NOW £4.95 Buy
Cornflower ‘Centaurea cynarus’ A vivid blue annual for a meadow £1.25 Buy
Crocus Special Offers
Delphinium ‘Delphinium Blue Jay’ Showy, semi-double blue flowers with dark eyes NOW £5.45 Buy
Globe Thistle ‘Echinops bannaticus Blue Globe’ Large globes of dark blue flowers £5.95 Buy
Crocus Special Offers
Pride of Madeira ‘Echium candicans’ Dramatic purple spikes in early summer. Drought tolerant NOW £3.45 Buy
Tower of Jewels ‘Echium pininana’ Enormous spikes of blue flowers £6.95 Buy
Giant Sea Holly ‘Eryngium giganteum Silver Ghost’ Stunning silvery white bracts £6.95 Buy
Sea Holly (Eryngium planum Blue... ‘Eryngium planum Blauer Zwerg’ Dwarf variety with deep blue flowers £5.45 Buy
Bearded Iris ‘Iris Fort Apache’ Luscious maroon blooms £6.95 Buy
Bearded Iris ‘Iris Interpol’ £6.95 Buy
Price Pruned
Great Purple Flag ‘Iris pallida Argenteovariegata’ Stunning grey-green and white variegated leaves NOW £5.95 Buy
Siberian Iris ‘Iris siberica Flight of the Butterflies’ Pretty violet-blue flowers £5.95 Buy
Siberian Iris ‘Iris sibirica Caesar's Brother’ Intense violet flowers. Great in boggy ground £5.95 Buy