We have found 156 plants that meet your criteria.

yarrow
Achillea millefolium 'Lilac Beauty' yarrow An unusual lilac, yarrow £7.99 Buy
hyssop
Agastache 'Black Adder' hyssop Distinctive violet, bottlebrush flowers £7.99 Buy
angelica
Angelica gigas angelica Tall, dramatic burgundy flowers £8.99 Buy
butterfly bush (syn Buddleja Flower Power )
Buddleja × weyeriana 'Bicolor' butterfly bush (syn Buddleja Flower... Striking bi-coloured flowers £12.99 Buy
butterfly bush
Buddleja lindleyana butterfly bush Ideal for training against a warm, sheltered wall £12.99 Buy
milky bellflower
Campanula lactiflora 'Loddon Anna' milky bellflower Soft lilac flowers on tall stems £6.99 Buy
New
greater knapweed
Centaurea scabiosa greater knapweed Wonderful in naturalised planting schemes £2.49 Buy
clematis (group 2)
Clematis Crystal Fountain ('Evipo038') (PBR) clematis (group 2) Unusual lavender flowers £12.99 Buy
clematis (group 3)
Clematis 'Étoile Violette' clematis (group 3) Produces masses of deep purple blooms £12.99 Buy
clematis (group 3)
Clematis Happy Birthday ('Zohapbi') (PBR) clematis (group 3) Dark flowers become paler as they age £14.99 Buy
clematis (group 3)
Clematis 'Jackmanii Superba' clematis (group 3) Luxurious dark purple flowers £10.99 Buy
clematis (group 3)
Clematis 'Warszawska Nike' clematis (group 3) Sumptuous deep purple flowers, £9.99 Buy
cardoon
Cynara cardunculus 'Cardy' cardoon A fabulous architectural plant £7.99 Buy
dahlia
Dahlia 'Ambition' dahlia 15cm wide flowers £6.99 Buy
coneflower
Echinacea purpurea 'Magnus' coneflower Copes well with adverse weather conditions £8.99 Buy
New
coneflower
Echinacea purpurea 'Magnus' coneflower Copes well with adverse weather conditions £5.99 Buy
New
fuchsia
Fuchsia 'Alice Hoffman' fuchsia £2.99 Buy
New
fuchsia
Fuchsia 'Army Nurse' fuchsia £2.99 Buy
fuchsia
Fuchsia 'Mrs Popple' fuchsia Showy, scarlet and purple flowers £8.99 Buy
fuchsia
Fuchsia 'Riccartonii' fuchsia Delicate, scarlet and dark purple flowers £8.99 Buy