We have found 25 plants that meet your criteria.

New
hardy plumbago
Ceratostigma plumbaginoides hardy plumbago Piercing blue autumn flowers £4.99 coming soon
New
lavender
Lavandula angustifolia Melissa Lilac ('Dow4') (PBR) lavender Large, lilac flowers in... £4.99 Buy
lavender
Lavandula angustifolia 'Munstead' lavender A compact variety with blue-purple flowers £4.99 Buy
New
Russian sage
Perovskia 'Blue Spire' Russian sage Violet-blue flowers and silvery foliage. Great planted en masse £5.99 Buy
African lily
Agapanthus 'Megans Mauve' African lily A lovely new cultivar £6.99 Buy
African lily
Agapanthus 'Taw Valley' African lily A spectacular summer-flowering perennial £6.99 coming soon
sea holly
Eryngium agavifolium sea holly Striking foliage £7.99 Buy
Spanish sage
Salvia lavandulifolia Spanish sage A great alternative to common sage £7.99 coming soon
Crocus Special Offers
bearded iris
Iris 'Best Bet' bearded iris Tall and elegant NOW £7.99 Buy
African lily
Agapanthus africanus African lily Wonderful globes of blue flowers from midsummer £8.99 Buy
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African lily
Agapanthus 'Phantom' African lily A luscious evergreen form £8.99 Buy
New
African lily
Agapanthus 'Purple Cloud' African lily Richly coloured flowerheads £8.99 Buy
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African lily
Agapanthus 'Sky' African lily Beautiful blue flowers £8.99 Buy
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African lily
Agapanthus 'Sunfield' African lily Massive, rounded flowerheads £8.99 Buy
Russian sage
Perovskia 'Blue Spire' Russian sage Violet-blue flowers and silvery foliage. Great planted en masse £9.99 Buy
African lily
Agapanthus 'Castle of Mey' African lily A tall, rich blue form £9.99 coming soon
Chinese plumbago
Ceratostigma willmottianum Forest Blue ('Lice') (PBR) Chinese plumbago Foliage turns wonderful autumnal... £9.99 Buy
Russian sage
Perovskia atriplicifolia 'Little Spire' (PBR) Russian sage A shorter form of the popular Russian sage £9.99 Buy
African lily
Agapanthus 'Northern Star' (PBR) African lily One of the hardier agapanthus £9.99 Buy
Crocus Special Offers
west country lupin
Lupinus 'Persian Slipper' (PBR) west country lupin Pretty lagoon blue blooms NOW £9.99 Buy