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Cosmos atrosanguineus

£3.09

Velvety maroon-crimson flowers carry a distinctive chocolate fragrance above divided foliage, giving this tuberous perennial an unusual combination of dark colour and scent in sheltered summer planting. Supplied bare root · supplier grade I, without a nursery pot. Any grade shown is the supplier's bare-root grade, not a pot measurement.

100 in stock

UK delivery £9

Money back within 30 days for an exchange.

About this plant

Velvety maroon-crimson flowers carry a distinctive chocolate fragrance above divided foliage, giving this tuberous perennial an unusual combination of dark colour and scent in sheltered summer planting.

Supplied bare root · supplier grade I, without a nursery pot. Any grade shown is the supplier's bare-root grade, not a pot measurement. One live plant. Individual specimens vary naturally in height, leaf colour and form with age, season and growing conditions. Photographs show the variety; the specimen supplied may differ.

Growing and care

  • Light: Full sun in a sheltered position; sharply drained soil.
  • Mature height: 50–100 cm at maturity; not the height of the plant supplied.
  • Seasonal interest: Late summer
  • Hardiness / temperature: RHS H3: minimum winter temperature range -5 to 1°C, for mild/coastal conditions; protect from frost and winter wet.
  • Soil: Sharply drained soil; avoid waterlogging and winter wet.
  • Aftercare: Protect the unpotted roots from drying out before planting.

Additional information

Pot size

Not recorded

Light

Full sun in a sheltered position; sharply drained soil.

Mature height

50–100 cm at maturity; not the height of the plant supplied.

Seasonal interest

Late summer

Hardiness / temperature

RHS H3: minimum winter temperature range -5 to 1°C, for mild/coastal conditions; protect from frost and winter wet.

Soil

Sharply drained soil; avoid waterlogging and winter wet.

Aftercare

Protect the unpotted roots from drying out before planting.

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