We have found 17 plants that meet your criteria.

granny's bonnet
Aquilegia vulgaris var.stellata 'Black Barlow' (Barlow Series) granny's bonnet Striking dark purple, double 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 £7.49 Buy
dusky cranesbill
Geranium phaeum var. phaeum 'Samobor' dusky cranesbill Small, purple-black flowers. Good for shade £7.49 Buy
Crocus Special Offers
New Tulip collection Buy 30 tulips for £18.95 + get... NOW £0.00 Buy
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Tulipa Black Parrot & Erysiumum cheiri Blood Red A brooding and sumptuous... £0.00 Buy
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Tulipa Shirley & Tulipa Queen of Night Dramatic without becoming overpowering £0.00 Buy
New
hyacinth
Hyacinthus 'Dark Dimension' hyacinth Darkly delicious £3.99 coming soon
Polyanthus Gold Lace
Primula Gold-laced Group Polyanthus Gold Lace This new variety has all the old world charm £5.99 coming soon
double late tulip bulbs
Tulipa 'Black Hero' double late tulip bulbs Almost black double flowers £5.99 coming soon
parrot tulip bulbs
Tulipa 'Black Parrot' parrot tulip bulbs Dramatic, blackish-purple, cup-shaped flowers £3.99 coming soon
fringed tulip bulbs
Tulipa 'Curley Sue' fringed tulip bulbs Delicately fringed flower petals £4.99 coming soon
triumph tulip bulbs
Tulipa 'Havran' triumph tulip bulbs Darkest blackcurrant coloured blooms £4.99 coming soon
triumph tulip bulbs
Tulipa 'Negrita' triumph tulip bulbs A sturdy tulip with rich colour £2.99 coming soon
New
viridiflora tulip bulbs
Tulipa 'Night Rider' viridiflora tulip bulbs Amazing blue-purple petals flamed with grass-green £7.99 coming soon
single late tulip bulbs
Tulipa 'Paul Scherer' single late tulip bulbs Possibly the darkest purple tulip £5.99 coming soon
single late tulip bulbs
Tulipa 'Queen of Night' single late tulip bulbs Velvety, dark maroon blooms £3.99 coming soon