We have found 13 plants that meet your criteria.

African lily
Agapanthus africanus African lily Wonderful globes of blue flowers from midsummer £8.99 Buy
New
African lily
Agapanthus africanus African lily Globes of blue flowers in late summer £19.99 Buy
New
African lily
Agapanthus 'Phantom' African lily A luscious evergreen form £8.99 Buy
Crocus Special Offers
African lily
Agapanthus 'Silver Baby' African lily A beautiful dwarf variety NOW £9.99 Buy
Crocus Special Offers
cranesbill
Geranium 'Brookside' cranesbill Deep blue flowers and long flowering seasons NOW £5.99 Buy
cranesbill
Geranium 'Johnson's Blue' cranesbill Elegant blue flowers, good for groundcover £7.99 Buy
Siberian iris
Iris sibirica 'Caesar's Brother' Siberian iris Intense violet flowers. Great in reliably moist soil £7.99 Buy
Crocus Special Offers
Siberian iris
Iris sibirica 'Perry's Blue' Siberian iris Looks great planted in bold clumps NOW £6.99 Buy
Siberian iris
Iris sibirica 'Silver Edge' Siberian iris Blue flowers edged with white £7.99 Buy
Crocus Special Offers
Siberian iris
Iris sibirica 'Tropic Night' Siberian iris Velvety, violet flowers with veined yellow throats NOW £6.99 Buy
African lily
Agapanthus Headbourne hybrids African lily Showy globes of blue flowers £8.99 Buy
African lily
Agapanthus campanulatus 'Cobalt Blue' African lily Dark blue blooms £9.99 coming soon
meadow cranesbill
Geranium pratense meadow cranesbill White blue or violet flowers in summer £6.99 coming soon