About
This compact annual reaches heights and widths of up to 30 cm. It features finely dissected leaves and produces semi-double, daisy-like flowers in red from summer through autumn, each showcasing a distinct 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, East-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H3
Plant details
- Plant type
- Annual Biennial
- Habit
- Columnar upright
- Foliage
- Deciduous
- Height
- 0.1-0.5 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 1 year
- Suggested uses
- Cottage and informal garden, Patio and container plants, Wildlife gardens, City and courtyard gardens, Coastal
Care notes
- Cultivation
- Grow in moderately fertile, moist but well-drained soil in full sun
- Pruning
- Deadheading should be carried out regularly to prolong flowering
- Propagation
- See sowing seeds indoors
- Pest resistance
- Aphids and slugs may be a nuisance
- Disease resistance
- May be susceptible to grey moulds