We have found 33 plants that meet your criteria.

New
Russian sage
Perovskia 'Blue Spire' Russian sage Violet-blue flowers and silvery foliage. Great planted en masse £5.99 Buy
New
lesser periwinkle
Vinca minor 'La Grave' lesser periwinkle Gorgeous lavender-blue blooms £5.99 Buy
lavender
Lavandula angustifolia 'Munstead' lavender A compact variety with blue-purple flowers £7.99 Buy
greater periwinkle
Vinca major greater periwinkle Elegant blue-violet flowers £8.99 coming soon
lesser periwinkle
Vinca minor lesser periwinkle Superb ground cover £8.99 coming soon
periwinkle
Vinca difformis periwinkle Perfect for underplanting in shady spots £8.99 Buy
bluebeard
Caryopteris × clandonensis 'Heavenly Blue' bluebeard Piercing, dark blue flowers £8.99 Buy
periwinkle
Vinca minor 'Illumination' periwinkle A recent introduction £8.99 Buy
lesser periwinkle (syn. 'Bowles Variety')
Vinca minor 'La Grave' lesser periwinkle (syn. 'Bowles Variety')... Gorgeous lavender-blue blooms £8.99 Buy
butterfly bush
Buddleja 'Lochinch' butterfly bush Fragrant violet-blue flowers all summer £8.99 coming soon
rosemary
Rosmarinus officinalis 'Miss Jessopp's Upright' rosemary Lavender-blue flowers £8.99 Buy
Crocus Special Offers
Californian lilac
Ceanothus 'Puget Blue' Californian lilac Fabulous deep blue flowers NOW £8.99 Buy
lavender
Lavandula 'Sawyers' lavender Compact mounds of silvery foliage £8.99 Buy
Crocus Special Offers
Californian lilac
Ceanothus thyrsiflorus 'Skylark' Californian lilac A haze of bright blue flowers in early summer NOW £8.99 Buy
greater periwinkle
Vinca major 'Variegata' greater periwinkle Large, bright blue flowers £8.99 Buy
shrubby germander
Teucrium fruticans shrubby germander Perfect in a Mediterranean style setting £9.99 Buy
Russian sage
Perovskia 'Blue Spire' Russian sage Violet-blue flowers and silvery foliage. Great planted en masse £9.99 Buy
hydrangea
Hydrangea serrata 'Bluebird' hydrangea Distinctive blue (or sometimes pink) flowers and autumn colour £9.99 Buy
Crocus Special Offers
hydrangea
Hydrangea Expression ('Youmesix') hydrangea A longer-blooming, double form NOW £9.99 Buy
Chinese plumbago
Ceratostigma willmottianum Forest Blue ('Lice') (PBR) Chinese plumbago Foliage turns wonderful autumnal... £9.99 Buy