Cosmic Orange Cosmos
Cosmos sulphureus 'Cosmic Orange'
Not currently listed at our partner nurseries.
Essentials
At a Glance
Plant Type
Annual
Height
18 inches
Width
16 inches
Light
Full Sun, Partial Sun
Zones
5, 6, 7, 8, 9
Water
Low to moderate
Humidity
Average
Lifespan
Annual
Native To
Mexico
Toxicity
Non-toxic
The Story
Plant Bio
An annual species known for its bright, daisy-like flowers in shades of yellow, orange, and red, and its finely divided, feathery foliage. It thrives in hot, sunny conditions. This cultivar is specifically bred for its unique bright orange color and compact size, making it suitable for smaller gardens.
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Tuck seeds into well-draining soil in full sun for best germination.
- Keep soil moist but not waterlogged during germination, about 7-10 days.
- Thin seedlings to 12-18 inches apart once they are established.
- Water regularly during dry spells to encourage healthy growth.
- Fertilize monthly with a balanced fertilizer for vibrant blooms.
- Deadhead spent flowers to promote continuous flowering and tidy appearance.
Pro Tip
Plant cosmos in full sun and avoid overwatering to prevent root rot.
Keep It Thriving
Care Guide
Do
- Water deeply once a week during dry periods 🌱
- Deadhead regularly to extend blooming period 🌱
- Fertilize with a balanced 10-10-10 fertilizer monthly 🌱
- Provide good air circulation to prevent fungal diseases 🌱
Don't
- Avoid overwatering, which can cause root rot ❌
- Do not overcrowd plants to ensure proper air flow ❌
- Refrain from using heavy mulch that retains too much moisture ❌
- Don't forget to remove dead or diseased foliage ❌
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| 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
Cosmic Orange Cosmos questions
What zones can Cosmic Orange Cosmos grow in?
Cosmic Orange Cosmos is hardy in USDA Zones 5–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Cosmic Orange Cosmos deer resistant?
Yes — Cosmic Orange Cosmos is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Cosmic Orange Cosmos bloom?
Cosmic Orange Cosmos typically blooms in summer to frost through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Cosmic Orange Cosmos need full sun?
Cosmic Orange Cosmos does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Cosmic Orange Cosmos drought tolerant?
Yes — once established (usually after the first full season), Cosmic Orange 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'
Klondike Cosmos Yellow Cosmos
Cosmos sulphureus 'Klondike Cosmos'
Cosmos Versailles White
Cosmos bipinnatus 'Versailles White'
Fizzy White Cosmos
Cosmos bipinnatus 'Fizzy White'
Xsenia Cosmos
Cosmos bipinnatus 'Xsenia'
Keep exploring
Explore the genus
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Grow Cosmic Orange 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.
