About
This upright, half-hardy annual features delicate, finely dissected leaves. From summer through autumn, it produces white blooms accented with a pink picotee edge along the petals, held on branched stems that can reach heights of up to 1.2 meters.
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
- West-facing, East-facing, South-facing
- Exposure
- Sheltered
- UK hardiness
- H3
Plant details
- Plant type
- Annual Biennial
- Habit
- Columnar upright
- Foliage
- Deciduous
- Height
- 1-1.5 metres
- Spread
- 0.5-1 metres
- Time to full height
- 1 year
- Suggested uses
- Patio and container plants, Cottage and informal garden
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