We have found 53 plants that meet your criteria.

Price Pruned
Agastache 'Blue Fortune' Mexican Giant Hyssop Spires of lilac flowers and aromatic leaves NOW £5.49 Buy
Aster sedifolius nanus Michaelmas Daisy A small plant that has big impact £5.99 Buy
Aster turbinellus Michaelmas Daisy Sprays of violet blue flowers £5.99 Buy
Aster x frikartii 'Mönch' Michaelmas Daisy Lavender-blue, daisy flowers £5.99 Buy
Aster 'Little Carlow (cordifolius hybrid)' Aster Pretty violet-blue daisies in late summer £5.99 Buy
Calamintha nepeta subsp. 'nepeta Blue Cloud' Lesser Catmint Aromatic leaves and blue flowers £5.99 Buy
Price Pruned
Campanula lactiflora 'Pritchard's Variety' Milky Bellflower Masses of bell-like lilac flowers NOW £4.99 Buy
Price Pruned
Ceratostigma willmottianum Hardy Plumbago Excellent red autumn foliage NOW £4.99 Buy
Eryngium x zabelii 'Jos Eijking' (PBR) Sea Holly Spiny metallic-blue flowers in late summer £7.99 Buy
Geranium 'Brookside' Cranesbill Deep blue flowers and long flowering seasons £5.99 Buy
Nepeta subsessilis 'Cool Cat' Catmint Lavender-blue flowers. Great for a herb garden £5.99 Buy
Nepeta subsessilis 'Washfield' Catmint Pretty catmint with bright blue flowers £5.99 Buy
Nepeta x faassenii Catmint Loose drifts of lavender flowers. Great for edging £5.99 Buy
Nepeta x faassenii 'Kit Cat' Catmint A dwarf variety with purple flowers £5.99 Buy
Penstemon 'Jean Grace = 'Penbow'' Beards Tongue Stunning mediterranean blue flowers £5.99 Buy
Penstemon 'Sour Grapes' Beard Tongue Greyish-blue flowers with metallic sheen £5.49 Buy
Perovskia abrotanoides Russian Sage Silvery white aromatic foliage with long lasting blue flowers £7.99 Buy
Price Pruned
Rosa Rhapsody in Blue '('Frantasia')' (PBR) rose (shrub) The closest to a blue rose NOW £10.99 Buy
Salvia lavandulifolia Spanish Sage A great alternative to common sage £4.99 Buy
Salvia patens Sage Large, stunning blue blooms £5.99 Buy