We have found 30 plants that meet your criteria.

Price Pruned
Yarrow ‘Achillea millefolium Lilac Beauty’ An unusual lilac, yarrow NOW £5.49 Buy
Price Pruned
Allium ‘Allium cristophii’ Huge globes of star-like, lilac flowers NOW £5.99 Buy
Allium ‘Allium hollandicum Purple Sensation’ Rich, deep purple globes £5.99 Buy
Price Pruned
Granny's Bonnet ‘Aquilegia vulgaris var. stellata Black Barlow’ Striking dark purple, double flowers NOW £4.99 Buy
Geranium ‘Geranium sylvaticum Birch Lilac’ Great for a woodland setting £5.99 Buy
Plaintain Lily ‘Hosta Sum and Substance’ Slugs and snails hate this one ! £5.99 Buy
Intermediate Bearded Iris ‘Iris Langport Flame’ Sumptuous purple and orange fragrant flowers £6.99 Buy
Intermediate Bearded Iris ‘Iris Rare Edition’ Eyecatching variety with purple and white petals £6.99 Buy
Lily ‘Lilium nepalense’ Summer colour for a woodland garden £6.99 Buy
Price Pruned
West Country Lupin ‘Lupinus Manhattan Lights’ Bi-coloured blooms NOW £6.99 Buy
Price Pruned
Bergamot ‘Monarda Ou Charm’ Pretty, pink flowers and purple bracts NOW £5.49 Buy
Phlox ‘Phlox paniculata Franz Schubert’ Wonderful, fragrant, lilac flowers £5.99 Buy
Salvia ‘Salvia nemorosa Amethyst’ Lilac-purple spires of flowers £5.99 Buy
Crocus Special Offers
Meadow Rue ‘Thalictrum aquilegiifolium Thundercloud’ Plumes of lilac-purple flowers NOW £5.99 Buy
Meadow Rue ‘Thalictrum delavayi’ Mauve-blue flowers purple stems £5.49 Buy
Price Pruned
Columbine ‘Aquilegia McKana Hybrids’ Bonnet-like flowers in a range of colours NOW £4.99 Buy
Granny's Bonnet ‘Aquilegia vulgaris William Guinness’ Unusual purple-black flowers £5.49 Buy
Masterwort ‘Astrantia major Rubra’ Gorgeous plum-coloured flowers £5.99 Buy
Clustered Bellflower ‘Campanula glomerata Superba’ Rich purple flowers in June £5.49 Buy
Price Pruned
Dusky Cranesbill ‘Geranium phaeum Lily Lovell’ Iridescent saucers of purple flowers. Good for shade NOW £5.49 Buy