We have found 57 plants that meet your criteria.

Aster ‘Aster Little Carlow (cordifolius hybrid)’ Pretty violet-blue daisies in late summer £5.99 Buy
Price Pruned
Siberian Bugloss ‘Brunnera macrophylla Jack Frost’ large, silvery leaves and frothy blue flowers NOW £7.99 Buy
Price Pruned
Milky Bellflower ‘Campanula lactiflora Pritchard's Variety’ Masses of bell-like lilac flowers NOW £4.99 Buy
Cranesbill ‘Geranium Brookside’ Deep blue flowers and long flowering seasons £5.99 Buy
Cranesbill ‘Geranium himalayense Gravetye’ Large, purple-blue flowers with reddish centres £5.99 Buy
Cranesbill ‘Geranium Johnson's Blue’ Elegant blue flowers, good for groundcover £4.99 Buy
Cranesbill ‘Geranium Philippe Vapelle’ A mass of light sky-blue flowers in June and July £5.99 Buy
Meadow Cranesbill ‘Geranium pratense Mrs Kendall Clark’ Plenty of charming first rate flowers £5.99 Buy
Cranesbill ‘Geranium Spinners’ Wonderful large deep purple blue blooms £5.99 Buy
Crocus Special Offers
Cranesbill ‘Geranium x magnificum Rosemoor’ Glorious violet-purple flowers NOW £3.99 Buy
Plantain Lily ‘Hosta Patriot’ White-margined leaves £5.99 Buy
Siberian Iris ‘Iris sibirica Caesar's Brother’ Intense violet flowers. Great in boggy ground £5.99 Buy
Siberian Flag ‘Iris sibirica Tropic Night’ Violet flowers with yellow throats. Good for boggy ground £5.99 Buy
Catnip ‘Nepeta racemosa Walker's Low’ Long flowering period £5.99 Buy
Catmint ‘Nepeta subsessilis Cool Cat’ Lavender-blue flowers. Great for a herb garden £5.99 Buy
Catmint ‘Nepeta subsessilis Washfield’ Pretty catmint with bright blue flowers £5.99 Buy
Catmint ‘Nepeta x faassenii’ Loose drifts of lavender flowers. Great for edging £5.99 Buy
Crocus Special Offers
Catmint ‘Nepeta x faassenii Kit Cat’ A dwarf variety with purple flowers NOW £3.99 Buy
Navelwort ‘Omphalodes cappadocica Starry Eyes’ Bright blue flowers. Good ground cover £5.49 Buy
Crocus Special Offers
Lungwort ‘Pulmonaria Blue Ensign’ Bright blue flowers NOW £3.99 Buy