Cosmos bipinnatus 'Antiquity'![RHS Plants for pollinators](/assets/styles/images/icons/RHS_Bee_YELLOW-REGISTERED.png)
![RHS Plants for pollinators](/assets/styles/images/icons/RHS_Bee_YELLOW-REGISTERED.png)
cosmea 'Antiquity'
An upright, bushy annual to 60cm in height with finely-divided, bright green leaves from summer to autumn. During summer short, upright stems bear daisy-like, crimson to burgundy flowers fading to reddish-pink with age
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Size
Ultimate height
0.5–1 metresTime to ultimate height
1–2 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | ||||
---|---|---|---|---|
Summer | Pink Red | Green | ||
Autumn | Pink Red | Green | ||
Winter |
Position
- Full sun
Aspect
South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H3Botanical details
- Family
- Asteraceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Columnar upright
- Genus
Cosmos can be annuals or perennials with simple or pinnately divided leaves and large, long-stalked daisy-like flowers in summer
- Name status
Unresolved
How to grow
Cultivation
Grow in moderately fertile, moist but well-drained soil in full sun. Deadhead flowers to prologue flowering season. Leave a few seedheads to ripen to selfseed if required. A relatively compact grower so most likely will not need staking
Propagation
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- Patio and container plants
- Wildlife gardens
- Cut flowers
- Flower borders and beds
- Underplanting of roses and shrubs
Pruning
Deadhead to prolong the flowering season
Pests
Diseases
May be susceptible to grey moulds
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