About
A robust, bushy half-hardy annual that reaches heights of up to 90 cm, featuring finely dissected leaves. During the summer and autumn months, its branching stems produce saucer-shaped blooms that are pure white, accented by a yellow center.
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
- South-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H3
Plant details
- Plant type
- Annual Biennial
- Habit
- Bushy
- Foliage
- Deciduous
- Height
- 0.5-1 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 1 year
- Suggested uses
- Cottage and informal garden
Care notes
- Cultivation
- Grow in moderately fertile, moist but well-drained soil in full sun
- Pruning
- Deadhead regularly 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