We have found 94 plants that meet your criteria.

Nepeta grandiflora 'Wild Cat' Giant Catmint A giant catmint with deep purple-blue flowers £5.86 Buy
Nepeta racemosa 'Walker's Low' Catnip Long flowering period £5.86 Buy
Omphalodes cappadocica 'Starry Eyes' Navelwort Bright blue flowers. Good ground cover £5.37 Buy
Perovskia 'Blue Spire' Russian Sage Violet-blue flowers and silvery foliage. Great planted en masse £7.82 Buy
Price Pruned
Polemonium caeruleum Jacob's Ladder Bell-shaped, lavender-blue flowers in early summer. NOW £4.88 Buy
Price Pruned
Pulmonaria angustifolia 'Munstead Blue' Lungwort Blue flowers in late spring NOW £5.86 Buy
Pulmonaria longifolia Lungwort Funnel-shaped blue-purple long lasting flowers winter to spring £5.86 Buy
Price Pruned
Veronicastrum virginicum 'Fascination' Culver's Root Elegant spires of bluey-mauve blooms NOW £5.37 Buy
Price Pruned
Vinca major Greater Periwinkle Elegant blue-violet flowers NOW £4.88 Buy
Vinca major 'Variegata' Greater Periwinkle Large, bright blue flowers £5.86 Buy
Vinca minor Lesser Periwinkle Superb ground cover £5.86 Buy
Vinca minor 'Argenteovariegata' Lesser Periwinkle Creamy-white leaves £5.86 Buy
Price Pruned
Vinca minor 'Illumination' Periwinkle Brand new introduction NOW £5.86 Buy
Price Pruned
Viola odorata Sweet Violet Sweetly fragrant flowers NOW £4.88 Buy