We have found 180 plants that meet your criteria.

Agapanthus 'Lavender Haze' African lily A new, large-headed variety £8.99 Buy
Price Pruned
Amsonia tabernaemontana amsonia Dense clusters of ice-blue, star-like flowers NOW £5.99 Buy
Amsonia tabernaemontana var. salicifolia amsonia Piercing blue flowers in late spring and summer £6.49 Buy
Anchusa azurea 'Loddon Royalist' alkanet Intense blue flowers in early summer £6.49 Buy
Aster × frikartii 'Mönch' michalmas daisy Lavender-blue, daisy flowers £5.99 Buy
Aster sedifolius 'Nanus' michalmas daisy A small plant that has big impact £5.99 Buy
Crocus Special Offers
Calamintha nepeta subsp. nepeta 'Blue Cloud' lesser catmint Aromatic leaves and blue flowers NOW £4.49 Buy
Campanula rotundifolia harebell Ideal for wildflower meadows or naturalised planting schemes £5.99 Buy
Centaurea cyanus cornflower A vivid blue annual for a meadow £1.49 Buy
Price Pruned
Delphinium 'Faust' delphinium Fabulous intense ultremarine blue and indigo with a black eye NOW £8.99 Buy
Eryngium bourgatii sea holly Lovely silver-veined foliage £7.99 Buy
Eryngium bourgatii 'Picos Amethyst' sea holly New variety with deep blue flowers £7.99 Buy
Eryngium giganteum 'Silver Ghost' giant sea holly Stunning silvery white bracts £8.99 Buy
Geranium 'Johnson's Blue' cranesbill Elegant blue flowers, good for groundcover £5.99 Buy
Iris 'Blue Rhythm' bearded iris Tall variety with cornflower-blue flowers £7.99 Buy
Iris 'Jane Phillips' bearded iris A popular variety with blue flowers £6.99 Buy
Old fashioned, highly fragrant sweet pea collection sweet pea collection Rare and highly fragrant... £12.99 Buy
Crocus Special Offers
Nepeta subsessilis 'Washfield' catmint Pretty catmint with bright blue flowers NOW £4.49 Buy
Penstemon 'Alice Hindley' beard tongue A very old variety £6.49 Buy
Penstemon 'Sour Grapes' beard tongue Greyish-blue flowers with metallic sheen £6.49 Buy