We have found 65 plants that meet your criteria.

honeywort
Cerinthe major Purpurascens honeywort Bluish-green foliage with deep purple flowers £1.99 Buy
herbaceous clematis (group 3)
Clematis 'Fleuri' herbaceous clematis (group 3) A compact grower - ideal for a pot £14.99 Buy
clematis (group 3)
Clematis 'Harlow Carr' clematis (group 3) Gently ruffled purple petals £12.99 Buy
clematis (group 3)
Clematis 'Lord Herschell' clematis (group 3) A compact perennial form £11.99 Buy
clematis (group 3)
Clematis 'Tie Dye' clematis (group 3) Eye-catching, two-tone flowers £14.99 Buy
cornfield collection
Cornfield Seed collection cornfield collection A collection of native wildflowers £3.99 Buy
Balkan cranesbill
Geranium macrorrhizum 'Bevan's Variety' Balkan cranesbill Magenta flowers. Perfect for suppressing weeds £7.99 Buy
dusky cranesbill
Geranium phaeum dusky cranesbill Small, deep maroon flowers. Good for groundcover £7.99 Buy
New
dusky cranesbill
Geranium phaeum var. phaeum 'Samobor' dusky cranesbill Small, purple-black flowers. Good for damp... £4.99 Buy
dusky cranesbill
Geranium phaeum var. phaeum 'Samobor' dusky cranesbill Small, purple-black flowers. Good for shade £7.99 Buy
dusky cranesbill
Geranium phaeum 'Lily Lovell' dusky cranesbill Iridescent saucers of purple flowers. Good for shade £7.99 Buy
New
dusky cranesbill
Geranium phaeum 'Walküre' dusky cranesbill A tough flowering groundcover £5.99 Buy
Armenian cranesbill
Geranium psilostemon Armenian cranesbill Gorgeous magenta flowers with black centres £7.99 Buy
spencer sweet pea seed Matucana
Lathyrus odoratus 'Matucana' spencer sweet pea seed Matucana... Renowned for its heavenly fragrance £1.89 Buy
Price Pruned
big blue lily-turf
Liriope muscari big blue lily-turf Purple, wand-like flowers and evergreen foliage NOW £6.99 Buy
big blue lily-turf
Liriope muscari big blue lily-turf Purple, wand-like flowers and evergreen foliage £8.99 Buy
loosestrife
Lythrum virgatum 'Dropmore Purple' loosestrife Towering spires of purple flowers £7.99 Buy
stonecrop
Sedum telephium (Atropurpureum Group) 'Purple Emperor' stonecrop Fabulous variety with deep bronze-purple foliage. £7.99 Buy
lamb's ears
Stachys byzantina 'Big Ears' lamb's ears Purple flowers large Grey-green leaves £7.99 Buy
New
lesser periwinkle
Vinca minor 'Atropurpurea' lesser periwinkle Delicious dark damson-purple flowers £5.99 Buy