We have found 137 plants that meet your criteria.

granny's bonnet
Aquilegia vulgaris var.stellata 'Blue Barlow' (Barlow Series) granny's bonnet Stunning violet-blue double flowers... £7.49 Buy
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Aquilegia Blue Barlow
Aquilegia vulgaris var. stellata 'Blue Barlow' (Barlow Series) Aquilegia Blue Barlow £4.99 Buy
michalmas daisy
Aster × frikartii 'Mönch' michalmas daisy Lavender-blue, daisy flowers £7.99 Buy
aster
Aster 'Little Carlow' (cordifolius hybrid) aster Pretty violet-blue daisies in late summer £7.99 Buy
Siberian bugloss (syn. 'Variegata')
Brunnera macrophylla 'Dawson's White' Siberian bugloss (syn. 'Variegata') An excellent groundcover £9.99 Buy
Siberian bugloss
Brunnera macrophylla 'Jack Frost' (PBR) Siberian bugloss large, silvery leaves and frothy blue flowers £9.99 Buy
Chinese plumbago
Ceratostigma willmottianum Forest Blue ('Lice') (PBR) Chinese plumbago Foliage turns wonderful autumnal... £9.99 Buy
alpine clematis (group 1)
Clematis alpina alpine clematis (group 1) Delightful mid-blue, bell-shaped flowers in April/May £9.99 Buy
herbaceous clematis (Group 3)
Clematis heracleifolia herbaceous clematis (Group 3) Ideal for spilling over a wall £12.99 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
herbaceous clematis (group 3)
Clematis Blue River ('Zoblueriver') (PBR) herbaceous clematis (group 3) Much admired at Cheslea... £12.99 Buy
clematis (group 2)
Clematis Franziska Maria ('Evipo008') clematis (group 2) exceptionally free flowering £12.99 Buy
clematis (group 3)
Clematis Happy Birthday ('Zohapbi') (PBR) clematis (group 3) Dark flowers become paler as they age £14.99 Buy
clematis (group 2)
Clematis 'Lasurstern' clematis (group 2) Charming lavender blue flowers £9.99 Buy
clematis (group 3)
Clematis 'Perle d'Azur' clematis (group 3) Stunning pale turquoise-blue flowers £12.99 Buy
heron's bill
Erodium manescavii heron's bill Super saucer-shaped rich pink flowers £7.99 Buy
cranesbill
Geranium × magnificum 'Rosemoor' cranesbill Glorious violet-purple flowers £7.99 Buy
cranesbill
Geranium himalayense 'Gravetye' cranesbill Large, purple-blue flowers with reddish centres £7.99 Buy
meadow cranesbill
Geranium pratense 'Mrs Kendall Clark' meadow cranesbill Plenty of charming flowers £7.99 Buy