We have found 31 plants that meet your criteria.

hollyhock
Alcea rosea 'Nigra' hollyhock Tall stems bearing near-black flowers £1.49 Buy
spencer sweet pea seed Beaujolais
Lathyrus odoratus 'Beaujolais' spencer sweet pea seed Beaujolais... One of the darkest forms £1.89 Buy
poppy
Papaver somniferum (Paeoniiflorum Group) 'Black Paeony' poppy Big, blousy, near-black blooms £1.99 Buy
Crocus Special Offers
lily bulbs
Lilium 'Sixth Sense' lily bulbs Brooding colour for the summer border NOW £1.99 coming soon
sweet scabious
Scabiosa atropurpurea 'Black Knight' sweet scabious Opulent colour for the border £2.99 Buy
coneflower
Rudbeckia occidentalis 'Green Wizard' coneflower Extraordinary and exotic-looking flowers £2.99 Buy
lily bulb
Lilium 'Black Beauty' lily bulb Stunning dark red, turkscap flowers £3.99 coming soon
dahlia bulbs
Dahlia 'Karma Choc' ® dahlia bulbs Opulent chocolate-scented flowers £3.99 coming soon
Crocus Special Offers
hollyhock (Althea)
Alcea rosea 'Nigra' hollyhock (Althea) Bees love their flowers NOW £4.99 Buy
New
dusky cranesbill
Geranium phaeum var. phaeum 'Samobor' dusky cranesbill Small, purple-black flowers. Good for damp... £4.99 Buy
New
granny's bonnet
Aquilegia vulgaris var. stellata 'Black Barlow' granny's bonnet Sumptuous dark purple, double... £4.99 Buy
Crocus Special Offers
Aquilegia Nora Barlow
Aquilegia vulgaris var. stellata 'Nora Barlow' (Barlow Series) Aquilegia Nora Barlow Unusually colourful flowers NOW £4.99 Buy
lily
Lilium 'Dimension' lily Brooding and sumptuous colour £5.99 coming soon
New
spencer sweet pea Beaujolais
Lathyrus odoratus 'Beaujolais' spencer sweet pea Beaujolais One of the darkest forms £6.99 coming soon
Crocus Special Offers
bearded iris
Iris 'Superstition' bearded iris Purple-black flowers NOW £6.99 Buy
granny's bonnet
Aquilegia vulgaris var.stellata 'Black Barlow' (Barlow Series) granny's bonnet Striking dark purple, double... £7.49 Buy
New
granny's bonnet
Aquilegia vulgaris var. stellata 'Nora Barlow' (Barlow Series) granny's bonnet Fabulous pom-pom flowers £7.49 Buy
granny's bonnet
Aquilegia vulgaris 'William Guinness' granny's bonnet Unusual purple-black flowers £7.49 Buy
dusky cranesbill
Geranium phaeum dusky cranesbill Small, deep maroon flowers. Good for groundcover £7.99 Buy
red hook sedge
Uncinia rubra red hook sedge Wonderful deep bronzy-red foliage £7.99 Buy