Celosia argentea
hackie rose
An upright, branching perennial to 60cm, usually grown as an annual. Dense conical spikes of silvery-white flowers are produced in summer
Synonyms
Celosia debilisCelosia splendens
Size
Ultimate height
1–1.5 metresTime to ultimate height
1–2 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | White | Green | ||
| Autumn | Green | |||
| Winter |
Position
- Full sun
Aspect
East–facing or South–facing or West–facing
Exposure
Sheltered Hardiness
H2Botanical details
- Family
- Amaranthaceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Bushy
- Genus
Celosia can be annuals, perennials or shrubs, with simple or lobed, alternate leaves and tiny, brightly coloured flowers in large, plume-like inflorescences. Many garden selections are closely related to C. argentea
- Name status
Correct
- Plant range
- Tropics
How to grow
Cultivation
Plant out after the last frosts into moist but well-drained, fertile soil in a sunny, sheltered position. Water freely and apply a balanced liquid feed every 2 weeks
Propagation
Propagate by sowing seed in spring
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- Patio and container plants
- Bedding
- Conservatory and greenhouse
- Flower borders and beds
- Cut flowers
Pruning
No pruning required
Pests
Generally pest-free
Diseases
Generally disease-free
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.