We have found 11 plants that meet your criteria.

Price Pruned
Bugle ‘Ajuga reptans Atropurpurea’ Good groundcover for shade NOW £4.99 Buy
Wood Spurge ‘Euphorbia amygdaloides Purpurea’ Lovely deep purple foliage and acid-yellow flowers £5.49 Buy
Wood Spurge ‘Euphorbia Blackbird’ Attractive dark maroon foliage £7.99 Buy
Price Pruned
Coral Flower ‘Heuchera villosa Palace Purple’ Striking, shiny, burgundy leaves NOW £5.49 Buy
Crocus Special Offers
Black Lilyturf ‘Ophiopogon planiscapus Nigrescens’ Almost black, grassy foliage NOW £5.99 Buy
New Zealand Flax ‘Phormium Platt's Black’ Dramatic, almost black, strappy foliage £13.99 Buy
Price Pruned
Bugle ‘Ajuga reptans Catlin's Giant’ Handsome evergreen ground cover NOW £4.99 Buy
Coral Flower ‘Heuchera Plum Pudding’ Silver dusted, deep purple leaves £5.99 Buy
New Zealand Flax ‘Phormium Bronze Baby’ Compact variety with purple-bronze leaves £13.99 Buy
Kohuhu ‘Pittosporum tenuifolium Tom Thumb’ Small, rounded shrub with purple leaves. £8.99 Buy
Purple Sage ‘Salvia officinalis Purpurascens’ Attractive red-purple young leaves £4.99 Buy