We have found 30 plants that meet your criteria.

Price Pruned
Ajuga reptans 'Atropurpurea' Bugle Good groundcover for shade NOW £4.88 Buy
Price Pruned
Ajuga reptans 'Burgundy Glow' Bugle Multi-coloured evergreen foliage NOW £4.88 Buy
Price Pruned
Ajuga reptans 'Catlin's Giant' Bugle Handsome evergreen ground cover NOW £4.88 Buy
Aster x frikartii 'Mönch' Michaelmas Daisy Lavender-blue, daisy flowers £5.86 Buy
Aster 'Little Carlow (cordifolius hybrid)' Aster Pretty violet-blue daisies in late summer £5.86 Buy
Nepeta subsessilis 'Cool Cat' Catmint Lavender-blue flowers. Great for a herb garden £5.86 Buy
Nepeta subsessilis 'Washfield' Catmint Pretty catmint with bright blue flowers £5.86 Buy
Nepeta x faassenii Catmint Loose drifts of lavender flowers. Great for edging £5.86 Buy
Nepeta x faassenii 'Kit Cat' Catmint A dwarf variety with purple flowers £5.86 Buy
Price Pruned
Nepeta 'Six Hills Giant' Catmint A hardy catmint with lavender flowers NOW £4.88 Buy
Perovskia abrotanoides Russian Sage Silvery white aromatic foliage with long lasting blue flowers £7.82 Buy
Price Pruned
Phlox paniculata 'Blue Paradise' Perennial Phlox Fragrant violet flowers all summer NOW £5.37 Buy
Pulmonaria angustifolia 'Blaues Meer' Blue Cowslip Bright blue flowers free flowering £5.37 Buy
Pulmonaria 'Blue Ensign' Lungwort Bright blue flowers £5.86 Buy
Salvia patens Sage Large, stunning blue blooms £5.86 Buy
Symphytum 'Hidcote Blue' Comfrey Blue and white flowers, good ground cover £6.84 Buy
Syringa vulgaris 'Katherine Havemeyer' Common Lilac Wonderful scented lavender-purple flowers £9.78 Buy
Buddleja 'Lochinch' Butterfly Bush Fragrant violet-blue flowers all summer £6.84 Buy
Ceanothus thyrsiflorus var. 'repens' Creeping Blueblossom A low-growing evergreen with blue flowers £8.80 Buy
Ceanothus thyrsiflorus 'Skylark' Californian Lilac A haze of bright blue flowers in early summer £8.80 Buy