We have found 74 plants that meet your criteria.

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
Catmint ‘Nepeta x faassenii Kit Cat’ A dwarf variety with purple flowers £5.99 Buy
Russian Sage ‘Perovskia Blue Spire’ Violet-blue flowers and silvery foliage. Great planted en masse £7.99 Buy
Price Pruned
Perennial Phlox ‘Phlox paniculata Blue Paradise’ Fragrant violet flowers all summer NOW £5.49 Buy
Lungwort ‘Pulmonaria Blue Ensign’ Bright blue flowers £5.99 Buy
Sage ‘Salvia patens’ Large, stunning blue blooms £5.99 Buy
Comfrey ‘Symphytum Hidcote Blue’ Blue and white flowers, good ground cover £6.99 Buy
African Lily ‘Agapanthus Headbourne Hybrids’ Showy globes of blue and white flowers £5.99 Buy
Price Pruned
Bugle ‘Ajuga reptans Burgundy Glow’ Multi-coloured evergreen foliage NOW £4.99 Buy
Price Pruned
Bugle ‘Ajuga reptans Catlin's Giant’ Handsome evergreen ground cover NOW £4.99 Buy
Price Pruned
Amsonia ‘Amsonia tabernaemontana’ Dense clusters of ice-blue, star-like flowers NOW £5.99 Buy
Alkanet ‘Anchusa azurea Loddon Royalist’ Intense blue flowers in early summer £5.49 Buy
Price Pruned
Columbine ‘Aquilegia McKana Hybrids’ Bonnet-like flowers in a range of colours NOW £4.99 Buy
Price Pruned
Siberian Bugloss (syn. B. macrophylla... ‘Brunnera macrophylla Dawson's White’ An excellent groundcover NOW £8.99 Buy
Price Pruned
Siberian Bugloss ‘Brunnera macrophylla Jack Frost’ large, silvery leaves and frothy blue flowers NOW £7.99 Buy
Cranesbill ‘Geranium Spinners’ Wonderful large deep purple blue blooms £5.99 Buy
Wood Cranesbill ‘Geranium sylvaticum Mayflower’ Intense violet-blue flowers. Ideal for woodland £5.49 Buy
Geranium ‘Geranium x magnificum’ Larger sized violet-blue flowers £6.99 Buy