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Cosmos atrosanguineus

Chocolate cosmos

A table displaying which months are best to sow, plant and harvest.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Flowers
Flowers

Plant does not flower in January

Plant does not flower in February

Plant does not flower in March

Plant does not flower in April

Plant does not flower in May

Plant does flower in June

Plant does flower in July

Plant does flower in August

Plant does flower in September

Plant does not flower in October

Plant does not flower in November

Plant does not flower in December

  • Botanical name: Cosmos atrosanguineus
  • Common name: Chocolate cosmos
  • Family: Asteraceae
  • Plant Type: Perennial
Flower colour:

Red

Foliage colour:

Green

Chocolate cosmos, Cosmos atrosanguineus, is a tender Mexican perennial grown as much for its scent of vanilla and hot chocolate as for its dusky brownish-red late-summer blooms. It’s perfect for growing i a hot sunny garden, and makes an exotic cut flower.

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Grow Cosmos atrosanguineus as a tuberous dahlia, in moist but well-drained soil in full sun. In northern regions, lift the tubers to overwinter indoors. Alternatively mulch well in autumn or raise in pots which you can move indoors.

How to grow Cosmos atrosanguineus

  • Plant size

    90cm height

    45cm spread

  • Aspect

    East facing, south facing, west facing

  • Position in border

    Front, middle

  • Sun exposure: Full sun, dappled shade, partial shade
  • Hardiness: Tender
  • Soil type: Well drained / light / sandy / chalky / alkaline

Plant calendar

A table displaying which months are best to sow, plant and harvest.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sow
Sow

Do not Sow in January

Do not Sow in February

Do Sow in March

Do Sow in April

Do Sow in May

Do not Sow in June

Do not Sow in July

Do not Sow in August

Do not Sow in September

Do not Sow in October

Do not Sow in November

Do not Sow in December

Plant
Plant

Do not Plant in January

Do not Plant in February

Do not Plant in March

Do not Plant in April

Do Plant in May

Do Plant in June

Do not Plant in July

Do not Plant in August

Do not Plant in September

Do not Plant in October

Do not Plant in November

Do not Plant in December

Flowers
Flowers

Plant does not flower in January

Plant does not flower in February

Plant does not flower in March

Plant does not flower in April

Plant does not flower in May

Plant does flower in June

Plant does flower in July

Plant does flower in August

Plant does flower in September

Plant does not flower in October

Plant does not flower in November

Plant does not flower in December

Divide
Divide

Do not Divide in January

Do not Divide in February

Do Divide in March

Do Divide in April

Do not Divide in May

Do not Divide in June

Do not Divide in July

Do not Divide in August

Do not Divide in September

Do not Divide in October

Do not Divide in November

Do not Divide in December

Cosmos atrosanguineus and wildlife

Cosmos atrosanguineus is known for attracting bees, beneficial insects, birds, butterflies​/​moths and other pollinators. It nectar-pollen-rich-flowers and has seeds for birds.

Attractive to Bees

Attractive to Beneficial insects

Attractive to Birds

Attractive to Butterflies​/​Moths

Attractive to Other pollinators

Is Cosmos atrosanguineus poisonous?

Cosmos atrosanguineus has no toxic effects reported.

No reported toxicity to:

No reported toxicity to Birds

No reported toxicity to Cats

No reported toxicity to Dogs

No reported toxicity to Horses

No reported toxicity to Livestock

No reported toxicity to People

Plants that go well with Cosmos atrosanguineus

Ammi majus
Plants

Ammi majus

Bishop's flower