We have found 83 plants that meet your criteria.

bugle
Ajuga reptans 'Catlin's Giant' bugle Handsome evergreen ground cover £6.99 Buy
granny's bonnet
Aquilegia caerulea granny's bonnet A cottage garden favourite £7.49 Buy
granny's bonnet
Aquilegia vulgaris var.stellata 'Blue Barlow' (Barlow Series) granny's bonnet Stunning violet-blue double flowers £7.49 Buy
lesser catmint
Calamintha nepeta subsp. nepeta 'Blue Cloud' lesser catmint Aromatic leaves and blue flowers £6.99 Buy
milky bellflower
Campanula lactiflora 'Pritchard's Variety' milky bellflower Masses of bell-like lilac flowers £6.99 Buy
clematis (group 1)
Clematis macropetala 'Lagoon' clematis (group 1) Luxuriant deep blue flowers £9.99 Buy
clematis (group 1)
Clematis macropetala 'Wesselton' clematis (group 1) Lovely double, mid-blue flowers £9.99 Buy
clematis (group 2)
Clematis Franziska Maria ('Evipo008') clematis (group 2) exceptionally free flowering £12.99 Buy
New
clematis (group 3)
Clematis Happy Birthday (''Zohapbi') (PBR) clematis (group 3) Dark flowers become paler... £14.99 Buy
clematis (group 2)
Clematis 'Lasurstern' clematis (group 2) Charming lavender blue flowers £9.99 Buy
clematis (group 1)
Clematis 'Multi Blue' clematis (group 1) Fabulous double lavender blue flowers £8.99 Buy
clematis (group 3)
Clematis 'Perle d'Azur' clematis (group 3) Stunning pale turquoise-blue flowers £11.99 Buy
Price Pruned
heron's bill
Erodium manescavii heron's bill Super saucer-shaped rich pink flowers NOW £5.99 Buy
cranesbill
Geranium himalayense 'Gravetye' cranesbill Large, purple-blue flowers with reddish centres £6.99 Buy
cranesbill
Geranium wallichianum 'Buxton's Variety' cranesbill Late flowering, with soft, blue-mauve flowers £8.99 Buy
cranesbill
Geranium 'Johnson's Blue' cranesbill Elegant blue flowers, good for groundcover £6.99 Buy
cranesbill
Geranium 'Nimbus' cranesbill A prolific-flowering groundcover £7.99 Buy
hydrangea
Hydrangea macrophylla Endless Summer Blue ('Bailmer') hydrangea A profusion of blue mophead flowers £22.99 Buy
lacecap hydrangea (syn. Blue Wave)
Hydrangea macrophylla 'Mariesii Perfecta' lacecap hydrangea (syn. Blue Wave)... Blue or pink lacecap flowers £9.99 Buy
hydrangea
Hydrangea serrata 'Bluebird' hydrangea Distinctive blue (or sometimes pink) flowers and autumn colour £9.99 Buy