Cosmos bipinnatus 'Velouette'

RHS Plant Profile
cosmea 'Velouette'
Award of Garden MeritPlants for pollinators
Annual Biennial

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

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
1 year
Max Spread
0.5-1 metres
Max Height
0.5-1 metres

Growing Conditions

Chalk Clay Loam Sand
Moisture
Moist but well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
South–facing or East–facing or West–facing
Exposure
Sheltered
Hardiness
H3

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Asteraceae
Native to GB/Ireland
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

See sowing seeds indoors

Suggested planting locations and garden types

  • Patio and container plants
  • Cottage and informal garden
  • Wildlife gardens
  • Flower borders and beds
  • Cut flowers

Pruning

Deadhead to prolong the flowering season

Pests

May be susceptible to aphids and slugs

Diseases

May be susceptible to grey moulds