We have found 96 plants that meet your criteria.

fiddleneck
Phacelia tanacetifolia fiddleneck Fast growing, and wildlife friendly £1.79 Buy
sweet violet
Viola odorata sweet violet Sweetly scented, edible flowers £2.49 Buy
New
cornflower
Centaurea cyanus cornflower A vivid blue annual for a meadow £2.49 Buy
New
viper's bugloss
Echium vulgare viper's bugloss Magnificent flowerspikes £2.49 Buy
cornflower
Centaurea cyanus 'Black Ball' cornflower Wonderful near-black flowers £2.49 Buy
alkanet
Anchusa azurea 'Dropmore' alkanet Vibrant blue, edible flowers £2.49 Buy
New
columbine
Aquilegia vulgaris columbine Looks good in most settings £2.99 Buy
New
congested snake lily
Dichelostemma congestum congested snake lily An exotic-looking sun-lover £3.99 coming soon
allium bulbs
Allium caeruleum allium bulbs Beautiful globes of bright blue flowers £4.99 coming soon
false Indigo
Baptisia australis false Indigo Decorative seed-pods in winter £4.99 Buy
New
delphinium
Delphinium 'Guardian Blue (Guardian Series)' delphinium £4.99 sold out
New
Purple Sage
Salvia officinalis 'Purpurascens' Purple Sage Attractive red-purple young leaves £4.99 Buy
New
Aquilegia Blue Barlow
Aquilegia vulgaris var. stellata 'Blue Barlow' (Barlow Series) Aquilegia Blue Barlow £4.99 Buy
camassia bulbs
Camassia leichtlinii camassia bulbs Spires of blue or lilac star-shaped flowers £5.99 coming soon
New
border phlox
Phlox paniculata 'Blue Paradise' border phlox Fragrant and colourful in summer £5.99 Buy
New
Russian sage
Perovskia 'Blue Spire' Russian sage Violet-blue flowers and silvery foliage. Great planted en masse £5.99 Buy
New
Campanula sarmatica 'Hemelstraling' bellflower Elegant, upright flowerspikes £5.99 Buy
New
violet
Viola odorata 'Hungarian Beauty' violet A pale-flowered version of the classic violet £5.99 Buy
New
azurea
Anchusa azurea 'Loddon Royalist' azurea Intense blue flowers in early summer £5.99 coming soon
Crocus Special Offers
sage (syn. Salvia May Night)
Salvia × sylvestris 'Mainacht' sage (syn. Salvia May... Large indigo-blue flowers NOW £5.99 Buy