We have found 17 plants that meet your criteria.

Price Pruned
Ajuga reptans 'Atropurpurea' Bugle Good groundcover for shade NOW £4.99 Buy
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Ajuga reptans 'Burgundy Glow' Bugle Multi-coloured evergreen foliage NOW £4.99 Buy
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Ajuga reptans 'Catlin's Giant' Bugle Handsome evergreen ground cover NOW £4.99 Buy
Aster x frikartii 'Mönch' Michaelmas Daisy Lavender-blue, daisy flowers £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
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Nepeta 'Six Hills Giant' Catmint A hardy catmint with lavender flowers NOW £4.99 Buy
Perovskia abrotanoides Russian Sage Silvery white aromatic foliage with long lasting blue flowers £7.99 Buy
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Phlox paniculata 'Blue Paradise' Perennial Phlox Fragrant violet flowers all summer NOW £5.49 Buy
Salvia patens Sage Large, stunning blue blooms £5.99 Buy
Symphytum 'Hidcote Blue' Comfrey Blue and white flowers, good ground cover £6.99 Buy
Nepeta grandiflora 'Wild Cat' Giant Catmint A giant catmint with deep purple-blue flowers £5.99 Buy
Perovskia 'Blue Spire' Russian Sage Violet-blue flowers and silvery foliage. Great planted en masse £7.99 Buy
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Polemonium caeruleum Jacob's Ladder Bell-shaped, lavender-blue flowers in early summer. NOW £4.99 Buy
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Viola odorata Sweet Violet Sweetly fragrant flowers NOW £4.99 Buy