We have found 62 plants that meet your criteria.

bugle
Ajuga reptans 'Catlin's Giant' bugle Handsome evergreen ground cover £6.99 Buy
creeping blueblossom
Ceanothus thyrsiflorus var. repens creeping blueblossom A low-growing evergreen with blue flowers £10.99 Buy
Californian lilac
Ceanothus thyrsiflorus 'Skylark' Californian lilac A haze of bright blue flowers in early summer £12.99 Buy
Californian lilac
Ceanothus 'Puget Blue' Californian lilac Fabulous deep blue flowers £12.99 Buy
cornflower
Centaurea cyanus cornflower A vivid blue annual for a meadow £1.99 Buy
clematis (group 1)
Clematis macropetala 'Lagoon' clematis (group 1) Luxuriant deep blue flowers £9.99 Buy
clematis (group 1)
Clematis macropetala 'Wesselton' clematis (group 1) Lovely double, mid-blue flowers £9.99 Buy
clematis (group 1)
Clematis 'Multi Blue' clematis (group 1) Fabulous double lavender blue flowers £8.99 Buy
navelwort
Omphalodes cappadocica 'Starry Eyes' navelwort Bright blue flowers. Good ground cover £5.99 Buy
poppy field collection
Poppy field collection of annuals poppy field collection Butterflies will fill your garden - Simply... £3.99 Buy
lungwort
Pulmonaria 'Blue Ensign' lungwort Bright blue flowers £7.99 Buy
rosemary
Rosmarinus officinalis 'Miss Jessopp's Upright' rosemary Lavender-blue flowers £7.99 Buy
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Comfrey
Symphytum 'Hidcote Blue' Comfrey Blue and white flowers, good ground cover NOW £5.99 Buy
Price Pruned
common Lilac
Syringa vulgaris 'Katherine Havemeyer' common Lilac Wonderful scented lavender-purple flowers NOW £14.99 Buy
periwinkle
Vinca difformis periwinkle Perfect for underplanting in shady spots £8.99 Buy
greater periwinkle
Vinca major greater periwinkle Elegant blue-violet flowers £8.99 Buy
greater periwinkle
Vinca major 'Variegata' greater periwinkle Large, bright blue flowers £8.99 Buy
lesser periwinkle
Vinca minor lesser periwinkle Superb ground cover £8.99 Buy
lesser periwinkle
Vinca minor 'Argenteovariegata' lesser periwinkle Creamy-white leaves £8.99 Buy
periwinkle
Vinca minor 'Illumination' periwinkle A recent introduction £8.99 Buy