COSMOS atrosanguineus 'Black Bidens'

Commonly known as Black cosmos, Chocolate plant

Chocolate scented crimson-black single flowers borne on stiff stems
Further Reading....
  • 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.
  • Half hardy - unheated greenhouse / mild winter
    Hardy in coastal and relatively mild parts of the UK except in severe winters and a risk from sudden (early) frosts. May be hardy elsewhere with wall shelter or good micro-climate. Likely to be damaged or killed in cold winters. Plant can withstand temperatures down to -5°C (23°F)
  • Full sun

COSMOS atrosanguineus 'Black Bidens'

 
  • 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
Jan
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Cosmos - Care Guide
Herbaceous Plants - Video Collection
Tubers - Care Guide
75cm (30in)
 Herbaceous - guide for size not form Watering Can
  45cm (18in)
  

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