Species
Cosmos bipinnatusGarden Cosmos10 other cultivars
‘Fizzy Pink’Fizzy Pink Cosmos
‘Apricot Lemonade’Apricot Lemonade Cosmos
‘Fizzy White’Fizzy White Cosmos
‘Versailles White’Cosmos Versailles White
‘Xsenia’Xsenia Cosmos
‘Cosimo Purple Red-White’Cosmos Cosimo Purple Red-White
‘Dazzler’Dazzler Cosmos
‘Sonata White’Sonata White Cosmos
‘Chocolate’Chocolate Cosmos
‘Double Click Rose Bonbon’Double Click Rose Bonbon Cosmos
The Story
Plant Bio
Cosmos bipinnatus 'Antiquity' features large, daisy-like flowers with a streamlined, ferny foliage.
This cultivar has a unique dark maroon color that stands out in summer gardens.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Annual
Height
24 inches
Width
18 inches
Light
Full Sun
Water
Moderate
Humidity
Average
Lifespan
Annual
Native To
Mexico
Toxicity
Non-toxic
Bloom period
Mid-summer – Late summer
In flower about 2 months of the year
Planting
How to Grow
- Tuck seeds 1/4 inch deep into well-draining soil in spring.
- Water regularly to keep soil moist but not waterlogged.
- Thin seedlings to 12-18 inches apart once established.
- Mist cuttings if propagating via cuttings in early summer.
- Fertilize monthly with balanced fertilizer during the growing season.
- Deadhead spent blooms to encourage more flowers.
Pro Tip
Plant in full sun for best flowering and ensure good air circulation.
Keep It Thriving
Care Guide
Do
- Water deeply once a week during dry spells 🌱
- Pinch back early to promote bushier growth
- Remove dead or damaged stems promptly
Don't
- Avoid overwatering to prevent root rot ❌
- Don’t fertilize late in the season to prevent legginess
- Never overcrowd plants to ensure good airflow
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Fertilize | ||||||||||||
| Plant |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Companion Plants
Multiply
Propagation Methods
Good to Know
Common Questions
Antiquity Cosmos questions
Is Antiquity Cosmos deer resistant?
Yes — Antiquity Cosmos is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Antiquity Cosmos bloom?
Antiquity Cosmos typically blooms in mid-summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Antiquity Cosmos need full sun?
Antiquity Cosmos does best in full sun (6+ hours).
Is Antiquity Cosmos drought tolerant?
Yes — once established (usually after the first full season), Antiquity Cosmos handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
More Cosmos to compare
Fizzy Pink Cosmos
Cosmos bipinnatus 'Fizzy Pink'
Apricot Lemonade Cosmos
Cosmos bipinnatus 'Apricot Lemonade'
Fizzy White Cosmos
Cosmos bipinnatus 'Fizzy White'
Klondike Cosmos Yellow Cosmos
Cosmos sulphureus 'Klondike Cosmos'
Cosmos Versailles White
Cosmos bipinnatus 'Versailles White'
Xsenia Cosmos
Cosmos bipinnatus 'Xsenia'
Keep exploring
Explore the genus
Grow Antiquity Cosmos with confidence
See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.