About
Cosmos sulphureus 'Mandarin' is a half-hardy annual characterized by its delicate, fern-like leaves and an extended blooming period. This variety features a compact, bushy growth habit, reaching a height of up to 30 cm, with vibrant double orange blooms.
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, 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
Care notes
- Cultivation
- Grow in moderately fertile, moist but well-drained soil in full sun
- Pruning
- Deadhead regularly to prolong flowering
- Propagation
- See sowing seeds indoors
- Pest resistance
- May be susceptible to aphids and slugs
- Disease resistance
- May be susceptible to grey moulds