We have found 29 plants that meet your criteria.

African Lily ‘Agapanthus africanus’ Globes of blue flowers in late summer £5.95 Buy
Price Pruned
Bugle ‘Ajuga reptans Atropurpurea’ Good groundcover for shade NOW £3.95 Buy
Price Pruned
Bugle ‘Ajuga reptans Burgundy Glow’ Multi-coloured evergreen foliage NOW £4.95 Buy
Price Pruned
Bugle ‘Ajuga reptans Catlin's Giant’ Handsome evergreen ground cover NOW £4.95 Buy
Crocus Special Offers
Pride of Madeira ‘Echium candicans’ Dramatic purple spikes in early summer. Drought tolerant NOW £3.45 Buy
Tower of Jewels ‘Echium pininana’ Enormous spikes of blue flowers £6.95 Buy
Giant Sea Holly ‘Eryngium giganteum Silver Ghost’ Stunning silvery white bracts £6.95 Buy
Price Pruned
Great Purple Flag ‘Iris pallida Argenteovariegata’ Stunning grey-green and white variegated leaves NOW £5.95 Buy
Siberian Flag ‘Iris siberica Perry's Blue’ Looks great planted in bold clumps £5.95 Buy
Catmint ‘Nepeta subsessilis Cool Cat’ Lavender-blue flowers. Great for a herb garden £5.95 Buy
Catmint ‘Nepeta subsessilis Washfield’ Pretty catmint with bright blue flowers £5.95 Buy
Catmint ‘Nepeta x faassenii Kit Cat’ A dwarf variety with purple flowers £5.95 Buy
Giant Catmint ‘Nepeta grandiflora Wild Cat’ A giant catmint with deep purple-blue flowers £5.95 Buy
Catnip ‘Nepeta racemosa Walker's Low’ Long flowering period £5.95 Buy
Price Pruned
Catmint ‘Nepeta Six Hills Giant’ A hardy catmint with lavender flowers NOW £4.95 Buy
Catmint ‘Nepeta x faassenii’ Loose drifts of lavender flowers. Great for edging £5.95 Buy
Price Pruned
Phlox ‘Phlox divaricata subsp. laphamii Chattahoochee’ Masses of lilac flowers. Perfect in partial shade NOW £5.45 Buy
Purple Sage ‘Salvia officinalis Purpurascens’ Attractive red-purple young leaves £4.95 Buy
Greater Periwinkle ‘Vinca major Variegata’ Large, bright blue flowers £4.95 Buy
Lesser Periwinkle ‘Vinca minor’ Superb ground cover £5.95 Buy