We have found 96 plants that meet your criteria.

African lily
Agapanthus 'Taw Valley' African lily A spectacular summer-flowering perennial £6.99 coming soon
allium bulbs
Allium caeruleum allium bulbs Beautiful globes of bright blue flowers £4.99 coming soon
New
azurea
Anchusa azurea 'Loddon Royalist' azurea Intense blue flowers in early summer £5.99 coming soon
granny's bonnet
Aquilegia caerulea granny's bonnet A cottage garden favourite £7.49 coming soon
butterfly bush
Buddleja 'Lochinch' butterfly bush Fragrant violet-blue flowers all summer £8.99 coming soon
camassia bulbs
Camassia leichtlinii camassia bulbs Spires of blue or lilac star-shaped flowers £5.99 coming soon
New
delphinium
Delphinium 'Guardian Blue' (Guardian Series) delphinium One of a new breed of delphinium £8.99 coming soon
New
delphinium
Delphinium 'Highlander Blueberry Pie' delphinium A new double-flowered cultivar. £7.99 coming soon
New
congested snake lily
Dichelostemma congestum congested snake lily An exotic-looking sun-lover £3.99 coming soon
miss willmott's ghost
Eryngium giganteum miss willmott's ghost Large, steely-grey flowers £8.49 coming soon
giant sea holly
Eryngium giganteum 'Silver Ghost' giant sea holly Stunning silvery white bracts £9.99 coming soon
hydrangea
Hydrangea macrophylla Beautensia Spike ('Spike') hydrangea An award-winning newcomer £12.99 coming soon
New
Iris sibirica 'Valda' siberian iris Luscious red-purple flowers £9.99 coming soon
meadow clary
Salvia pratensis 'Twilight Serande' (Ballet Series) meadow clary Provides intense summer colour £7.99 coming soon
pincushion flower
Scabiosa caucasica 'Clive Greaves' pincushion flower A long-flowering blue scabious £7.99 coming soon
New
delphinium
Delphinium 'Guardian Blue (Guardian Series)' delphinium £4.99 sold out