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Used at RHS Chelsea Flower Show
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Showing Perennials Flower colour : Black clear all
21 items
Penstemon Raven (Bird Series)
Penstemon 'Raven' (Bird Series)
From £8.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0.75 star 1 star 1 star 1 star 1 star 4.8 5 4 (4)
Angelica gigas

25% off

Angelica gigas
From £2.99
9cm pot
2 litre pot
3 × 9cm pots
6 × 9cm pots
+ 1 more available
0.5 star 1 star 1 star 1 star 1 star 4.5 5 34 (34)
Delphinium Paramo Black Velvet ('Barthirty') (PBR) (Paramo Series)

New

Delphinium Paramo Black Velvet ('Barthirty') (PBR) (Paramo Series)
From £14.99
9cm pot
3 × 9cm pots
Geranium phaeum
Geranium phaeum
From £9.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0.75 star 1 star 1 star 1 star 1 star 4.8 5 9 (9)
Geranium phaeum var. phaeum Samobor
Geranium phaeum var. phaeum 'Samobor'
From £10.99
9cm pot
3 × 9cm pots
6 × 9cm pots
0 star 0 star 1 star 1 star 1 star 3.0 5 2 (2)
Iris chrysographes black-flowered

40% off

Iris chrysographes 'black-flowered'
From £12.99
9cm pot
2 litre pot
3 × 9cm pots
3 × 2 litre pots
1 star 1 star 1 star 1 star 1 star 5.0 5 2 (2)
Salvia guaranitica Black and Blue
Salvia guaranitica 'Black and Blue'
From £9.99
9cm pot
2 litre pot
3 × 9cm pots
6 × 9cm pots
+ 1 more available
0.5 star 1 star 1 star 1 star 1 star 4.6 5 11 (11)
Viola Molly Sanderson

New

Viola 'Molly Sanderson'
From £9.99
9cm pot
3 × 9cm pots
Aquilegia vulgaris var. stellata Black Barlow (Barlow Series)

25% off

Aquilegia vulgaris var. stellata 'Black Barlow'
From £2.99
approx 40 seeds
0 star 0.75 star 1 star 1 star 1 star 3.8 5 4 (4)
Tulipa Negrita

Save 10% with AUTUMN10

Tulipa 'Negrita'
From £6.99
7 × bulbs
21 × bulbs
1 star 1 star 1 star 1 star 1 star 5.0 5 5 (5)
Dahlia Verrones Obsidian
Dahlia 'Verrone's Obsidian'
From £5.39
3 litre pot
2 + 1 FREE 3 litre pots
0.75 star 1 star 1 star 1 star 1 star 4.8 5 4 (4)
Alcea rosea Nigra

25% off

Alcea rosea 'Nigra'
From £2.24
approx 50 seeds
9cm pot
3 × 9cm pots
6 × 9cm pots
0 star 0 star 0.5 star 1 star 1 star 2.5 5 2 (2)
Iris Black Gamecock
Iris 'Black Gamecock'
From £14.99
1 litre aquatic pot
3 litre aquatic pot
3 × 1 litre aquatic pots
5 litre aquatic pot
Iris Golden Edge
Iris 'Golden Edge'
From £24.99
available to order from spring 2027
Helleborus × hybridus Dark and Handsome (Wedding Party Series)

New

Helleborus × hybridus 'Dark and Handsome' (Wedding Party Series)
From £12.99
available to order from summer
0.5 star 1 star 1 star 1 star 1 star 4.5 5 2 (2)
Helleborus × hybridus Harvington Shades of the Night
Helleborus × hybridus 'Harvington Shades of the Night'
From £27.99
available to order from summer
0.5 star 1 star 1 star 1 star 1 star 4.5 5 2 (2)
Helleborus × hybridus Pretty Ellen Purple
Helleborus × hybridus 'Pretty Ellen Purple'
From £12.99
available to order from summer
Helleborus × hybridus Harvington Black
Helleborus × hybridus Harvington black
From £27.99
available to order from summer
0.75 star 1 star 1 star 1 star 1 star 4.6 5 8 (8)
Helleborus × hybridus Harvington double purple
Helleborus × hybridus Harvington double purple
From £29.99
available to order from summer
Helleborus × hybridus Harvington Smokey Blues
Helleborus × hybridus Harvington Smokey Blues
From £27.99
available to order from summer
1 star 1 star 1 star 1 star 1 star 5.0 5 2 (2)
Iris Superstition
Iris 'Superstition'
From £22.99
available to order from summer
1 star 1 star 1 star 1 star 1 star (1)

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