About
Celosia argentea (Spicata Group) 'Kosmo Purple-red' is a bushy annual that produces plume-like flower spikes in shades of red to purple. These blooms appear from summer and persist into early autumn.
About the genus
Celosia can be classified as annuals, perennials, or shrubs. They feature either simple or lobed leaves that are arranged alternately. The small flowers, which are vividly colored, are grouped in large, plume-like clusters. Numerous cultivated varieties are closely associated with C. argentea.
Growing conditions
- Sunlight
- Full sun
- Soil type
- Chalk, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained, Well-drained
- Aspect
- South-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H2
Plant details
- Plant type
- Annual Biennial
- Habit
- Bushy
- Foliage
- Deciduous
- Height
- 0.1-0.5 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 1 year
- Suggested uses
- Patio and container plants
Care notes
- Cultivation
- Annual that can be grown outside once frosts have passed. Grow in peat-free, loam-based potting compost in full light with good ventilation. Outdoors, plant in moist but well-drained fertile soil in full sun in a sheltered position. Apply a balanced liquid fertiliser every two weeks
- Pruning
- No pruning required
- Propagation
- Propagate by seed
- Pest resistance
- Glasshouse red spider mite, glasshouse whitefly and aphids may be a problem under glass
- Disease resistance
- Foot and root rot and fungal leaf spot diseases may occur