We have found 17 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
African lily
Agapanthus 'Black Pantha' (PBR) African lily Deep blue, almost black flowers £12.99 Buy
Crocus Special Offers
African lily
Agapanthus 'Lavender Haze' African lily A new, large-headed variety NOW £6.99 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
lavender
Lavandula angustifolia 'Munstead' lavender A compact variety with blue-purple flowers £7.99 Buy
lavender
Lavandula 'Sawyers' lavender Compact mounds of silvery foliage £8.99 Buy
rosemary
Rosmarinus officinalis 'Miss Jessopp's Upright' rosemary Lavender-blue flowers £8.99 Buy
rosemary
Rosmarinus officinalis Prostratus Group rosemary Forms a mat of fragrant foliage £9.99 Buy
Crocus Special Offers
bluebell creeper
Sollya heterophylla bluebell creeper Clusters sky-blue flowers NOW £9.99 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
African lily
Agapanthus Back in Black ('B in B') (PBR) African lily Stunning, deep blue flowers... £9.99 coming soon
meadow cranesbill
Geranium pratense meadow cranesbill White blue or violet flowers in summer £6.99 coming soon