We have found 56 plants that meet your criteria.

African lily
Agapanthus africanus African lily Wonderful globes of blue flowers from midsummer £8.99 Buy
African lily
Agapanthus Queen Mum ('Pmn06') African lily Big bi-coloured flowers £12.99 Buy
African lily
Agapanthus 'Taw Valley' African lily A spectacular summer-flowering perennial £6.99 Buy
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 'Autumnal Blue' Californian lilac Sky-blue flowers in late summer £12.99 Buy
Californian lilac
Ceanothus 'Burkwoodii' Californian lilac Bright blue flowers in summer £12.99 Buy
Californian lilac
Ceanothus 'Puget Blue' Californian lilac Fabulous deep blue flowers £12.99 Buy
beardless iris
Iris setosa beardless iris A handsome rhizomatous, bearless iris £7.99 Buy
Siberian iris
Iris sibirica 'Perry's Blue' Siberian iris Looks great planted in bold clumps £8.49 Buy
lavender
Lavandula 'Sawyers' lavender Compact mounds of silvery foliage £7.99 Buy
catmint
Nepeta × faassenii catmint Loose drifts of lavender flowers. Great for edging £7.99 Buy
Crocus Special Offers
catmint
Nepeta grandiflora 'Bramdean' catmint Indigo-blue flowers NOW £7.99 Buy
catmint
Nepeta subsessilis 'Washfield' catmint Pretty catmint with bright blue flowers £6.99 Buy
catmint
Nepeta 'Six Hills Giant' catmint A hardy catmint with lavender flowers £7.99 Buy
perennial phlox
Phlox divaricata 'Blue Perfume' perennial phlox Masses of lilac-blue fragrant blooms £7.99 Buy
Phlox
Phlox divaricata 'Clouds of Perfume' Phlox Exquisite pale blue flowers £7.99 Buy
meadow grass
Poa labillardierei meadow grass Grown for its beautiful foliage colour £7.99 Buy
Chilean potato tree
Solanum crispum 'Glasnevin' Chilean potato tree Clusters of purple flowers £11.99 Buy