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15th February, we are pleased to say that the nursery and gardens are open to visitors. We are also still offering click and collect orders from the website. Mail order is continuing as normal. However please be aware that courier deliveries can be delayed, due to high volumes.

'C' > COSMOS > atrosanguineus > 'Black Bidens' >

COSMOS atrosanguineus 'Black Bidens'

Commonly known as Black cosmos, Chocolate plant

Chocolate scented crimson-black single flowers borne on stiff stems

Further Reading....

Available late spring to early summer 2021 - These plants will be available again sometime in late spring/early summer depending on growing conditions.

individually £11.50 each, 3+ £9.00 each

Available late spring to early summer 2021

1.5 to 2 Litre - Early in the year, typically January til end of March, herbaceous plants might be supplied in 9cm pots to ensure timely despatch

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Details
Mature Size
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Brown or black - crimson black
Height - 75cm (30in)
Spread - 45cm (18in)
Herbaceous - Early in the year, typically January till end of March, herbaceous plants might be supplied in 9cm pots to ensure timely despatch. - tuberous perennial. Flowers have a velvet texture.
Hardy - average winter - Hardy through most of the UK apart from inland valleys, at altitude and central/northerly locations. May suffer foliage damage and stem dieback in harsh winters in cold gardens. Plant can withstand temperatures down to -10°C (14°F)
Full sun
Additional Features - Good to know - - makes a good container plant. Vanillin is the chocolatey scent.
Pests & Diseases - aphids, slugs, grey mould.
Place of origin - Mexico. Thought to be extinct in the wild. Survives as a single clone propagated vegetatively.
Flower Shape - Cup-shaped - - shallowly cup-shaped 4.5cm (1¾in) across
Single - Row of petals round conspicuous stamens - no more than 8 petals
Garden Location/Conditions - Patio / pot plants -
Hardiness - Frost hardy (down to -5) -
Scented Plants - Scented flowers -
Seasonal Interest - Autumn -
Soil Conditions - Fertile moist well-drained soil -
Wildlife - Butterfly friendly -