About
This compact half-hardy annual features delicate, feathery green leaves and produces single white blooms adorned with rose-pink margins and yellow centers. Flowering occurs from July to October. These plants are excellent for cutting and provide crucial support for pollinators.
About the genus
Cosmos comprises both annual and perennial species characterized by either simple or pinnately divided foliage. These plants produce sizable, long-stemmed flowers resembling daisies during the summer months.
Growing conditions
- Sunlight
- Full sun
- Soil type
- Chalk, Clay, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- East-facing, South-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H3
Plant details
- Plant type
- Annual Biennial
- Habit
- Clump forming, Columnar upright
- Foliage
- Deciduous
- Height
- 0.5-1 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 1 year
- Suggested uses
- City and courtyard gardens, Cottage and informal garden, Patio and container plants, Wildlife gardens
Care notes
- Cultivation
- Grow in moist, but well-drained soil in full sun. Suited to annual or cut-flower borders or as a summer infill
- Pruning
- Deadhead to prolong the flowering season
- Propagation
- See sowing seeds indoors
- Pest resistance
- May be susceptible to aphids and slugs
- Disease resistance
- May be susceptible to grey moulds