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Burncoose Nurseries - part of the Caerhays Estate
Nursery & Gardens open: Mon - Sat 08.30 - 16.30 & Sun 10:00 - 16:00
Pop up café: Open Thursday-Saturday 10.30 - 14.30 & Sunday 11.00 - 15.00( weather permitting )
Dear Customers. Please be advised that Thursday 18th of December is the last order date for guaranteed delivery before Christmas. Our hard working despatch teams finish on Friday.

The Nursery will be open as normal during the Christmas period, except Bank Holidays, and will be closing at 1.30pm on Christmas Eve and New Year's Eve.

Thank you to all our customers old and new for their valued support this year.
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  • COSMOS atrosanguineus 'Black Bidens'
    COSMOS atrosanguineus 'Black Bidens'
    © Burncoose Nurseries, all pictures for illustrative purposes only.
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    COSMOS atrosanguineus 'Black Bidens' COSMOS atrosanguineus 'Black Bidens' COSMOS atrosanguineus 'Black Bidens' COSMOS atrosanguineus 'Black Bidens'
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    COSMOS atrosanguineus 'Black Bidens'

    Commonly known as Black cosmos, Chocolate plant

    Chocolate scented crimson-black single flowers borne on stiff stems
     
    Full Plant Details - Sun/Soil & other attributes
    • Flowering
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    • 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.
    • Brown or black
      Crimson black
    • Cup-shaped
      Shallowly cup-shaped 4.5cm (1¾in) across
    • Single
      Row of petals round conspicuous stamens - no more than 8 petals
    • Patio / pot plants
    • Frost hardy (down to -5)
    • 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)
    • Scented flowers
    • Autumn Seasonal Interest
    • Fertile moist well-drained soil
    • Full sun
    • Butterfly friendly
    • Mature Size
      75cm (30in)
      Herbaceous - guide for size not form Watering Can
        45cm (18in)
       
    View Planting Tips and Care Advice
    Tubers - Care Guide
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    Useful extras...

    Fertilisers & Feeds - Vitax
    A useful fertiliser suitable for use on a wide variety of plants. Q4 provides all the nutrients and trace elements essential for vigorous growth, abundant flowering and ripening of fruit.
    0.9 kg
    £6.00
    Unavailable
    2.5 kg
    £13.00
    Unavailable
    4.5 kg
    £25.00
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