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Annual Biennial

Cosmos bipinnatus 'Velouette'
  • RHS AGM
  • RHS Plants for pollinators

cosmea 'Velouette'

'Velouette' is an upright, half-hardy annual, to 90cm tall, with finely-divided green foliage. The large, yellow-centred flowerheads, borne from summer into autumn, are a mix of deep red and white; some predominantly crimson with clear white stripes and others white with a red edge to the petals

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Size
Ultimate height
0.5–1 metres
Time to ultimate height
1 year
Ultimate spread
0.5–1 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Red White Green
Autumn Red White Green
Winter
Position
  • Full sun
Aspect

South–facing or East–facing or West–facing

Exposure
Sheltered
Hardiness
H3
Botanical details
Family
Asteraceae
Native to the UK
No
Foliage
Deciduous
Habit
Columnar upright
Genus

Cosmos can be annuals or perennials with simple or pinnately divided leaves and large, long-stalked daisy-like flowers in summer

Name status

Unresolved

How to grow

Cultivation

Grow in moist, but well-drained soil in full sun. Suited to annual or cut-flower borders or as a summer infill

Propagation

Propagate by seed sown at 16°C in mid-spring under glass, or in situ in late spring

Suggested planting locations and garden types
  • Patio and container plants
  • Cottage and informal garden
  • Flower borders and beds
  • Cut flowers
Pruning

Deadhead to prolong the flowering season

Pests

Aphids and slugs may be troublesome

Diseases

May be susceptible to grey moulds

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