We have found 11 plants that meet your criteria.

Cornfield Collection ‘Cornfield Seed Collection’ A collection of native wildflowers £2.99 Buy
Lamb's Ears ‘Stachys byzantina Big Ears’ Purple flowers large Grey-green leaves £5.49 Buy
Moor Grass ‘Sesleria autumnalis’ Perfect for informal edging £5.99 Buy
Wild Ginger ‘Asarum europaeum’ Lustrous foliage for a shady corner £5.99 Buy
Stinking Gladwyn ‘Iris foetidissima’ Bright orange berries. Useful for dry shade £5.99 Buy
Lesser Periwinkle ‘Vinca minor Atropurpurea’ Delicious dark damson-purple flowers £5.99 Buy
Price Pruned
Big Blue Lily-turf ‘Liriope muscari’ Purple, wand-like flowers and evergreen foliage NOW £5.99 Buy
Angel's fishing rod ‘Dierama Purple Passion’ Dark, delicate bell shaped flowers £7.99 coming soon
Lenten Rose ‘Helleborus x hybridus Harvington Shades of Night’ Early spring flowers in shades of deep purple £9.99 Buy
Harvington Hellebore ‘Helleborus x hybridus Smokey Blue’ Unusual, dark purple flowers with a deep blue sheen £9.99 Buy
Price Pruned
Harvington Hellebore Double ‘Helleborus x hybridus Harvington Smokey Double’ An absolute double stunner! NOW £10.99 coming soon