We have found 48 plants that meet your criteria.

Hyssop ‘Agastache Black Adder’ Distinctive violet, bottlebrush flowers £5.99 Buy
Price Pruned
Allium ‘Allium cristophii’ Huge globes of star-like, lilac flowers NOW £5.99 Buy
Allium cristophii ‘Allium cristophii’ Huge globes of star-like, lilac flowers £5.00 Buy
Allium Schubertii ‘Allium schubertii’ The flowers look like giant fireworks £7.50 Buy
Round-headed Leek ‘Allium Sphaerocephalon’ Small, wine-coloured flowers on tall stems £4.00 Buy
Price Pruned
Pink ‘Dianthus amurensis’ A mat-forming pink with mauve flowers NOW £4.99 Buy
Price Pruned
Lavender ‘Lavandula angustifolia Munstead’ A compact variety with blue-purple flowers NOW £4.99 Buy
Price Pruned
Bergamot ‘Monarda Ou Charm’ Pretty, pink flowers and purple bracts NOW £5.49 Buy
Catnip ‘Nepeta racemosa Walker's Low’ Long flowering period £5.99 Buy
Catmint ‘Nepeta x faassenii Kit Cat’ A dwarf variety with purple flowers £5.99 Buy
Price Pruned
Rose ‘Rosa Chartreuse De Parme’ Flowers have a wonderfully provocative perfume NOW £4.99 Buy
Price Pruned
Shrub Rose ‘Rosa Dioressence’ Beautiful flowers with a gorgeous perfume NOW £4.99 Buy
Price Pruned
Rugosa Rose ‘Rosa Roseraie de L'Hay’ Fabulously rich purple-red blooms NOW £4.99 Buy
New
Salvia ‘Salvia nemorosa Amethyst’ Lilac-purple spires of flowers £5.99 Buy
New
Lily-flowered Tulip ‘Tulipa Ballade’ Listed by the RHS as one of their top 10 tulips £4.00 Buy
Chocolate Vine ‘Akebia quinata’ A pretty climber with fragrant flowers £12.99 Buy
Chives ‘Allium schoenoprasum’ Edible leaves and purple, button flowers £3.99 Buy
Angelica ‘Angelica gigas’ Tall, dramatic burgundy flowers £6.99 Buy
Price Pruned
Butterfly Bush ‘Buddleja davidii Black Knight’ Sumptuous deep purple flowers NOW £5.99 Buy
Clematis ‘Clematis x triternata Rubromarginata’ Delicious, marzipan-scented flowers £8.49 Buy