Sulphur cosmos
മാങ്ങ നാറിকসমস সালফিউরিয়াস
Cosmos sulphureus Cav.
- light
- Full sun
- water
- Little
- tall
- 53 cm
- wide
- 41 cm
Asteraceae
Also called Yellow Cosmos, Sulfur Cosmos
Formerly Bidens sulphurea, Coreopsis artemisiifolia, Cosmea sulphurea, Cosmos artemisiifolius, and 2 more
When it flowers
Flowers all year in the tropics.
Read from iNaturalist photographs of it in flower. A month counts at 50% of the best month's flowering share (smoothed over three months) and 10% of its flowering count, from at least 100 flowering observations in the band.
If a child, a pet or anyone may have eaten a plant, contact a doctor or vet straight away, or call the National Poisons Information Centre (AIIMS, New Delhi) on 1800 116 117, free and open 24 hours.
Something wrong with it?About it
- Grows as
- AnnualKew's checklist, not yet checked
- Climate
- Seasonally dry tropicalKew's checklist, not yet checked
- Wild in
- Mexico to C. AmericaKew's checklist, not yet checked
- Light
- Full sun (6 h or more)Read from NC State Extension and RHS, checked by a majority of its sourcesBacked by both sources
- Height
- 36 cm to 71 cmRead from NC State Extension and RHS, checked: the middle of what its sources sayHalfway between its 2 sources, which differ. Sources differ: NC State Extension 2–3 ft; RHS 0.1–0.5 m
- Spread
- 30 cm to 51 cmRead from NC State Extension and RHS, checked by a majority of its sourcesBacked by both sources. Sources differ: NC State Extension 1–3 ft; RHS 0.1–0.5 m
- Water
- Little: takes droughtRead from NC State Extension and RHS, not yet checked: its sources are splitTied: no reading has a majority of the 2 sources, so all are kept for a person to settle. Sources differ: NC State Extension low; RHS medium
- Flowers
- Yellow, orange, redRead from NC State Extension and RHS, checked by a majority of its sourcesBacked by both sources
- Coldest it survives
- -5 °C (USDA zone 9a)Read from RHS, one source
Not known yet: heat, hottest it survives.
In other languages (12)
- Spanish
- Mirasol amarillo, cinco llagas, Cosmos
- Swedish
- gullskära
- root
- axalxóchitl, shimul, xōchipalli
- Indonesian
- Kenikir
- Portuguese
- Cosmos-amarelo
- Japanese
- キバナコスモス
- French
- Cosmos sulfureux, Cosmos de Klondike
- Chinese
- 黃波斯菊, 硫華菊, 黄秋英
- Czech
- krásenka sírožlutá
- Chinese (China)
- 黄花波斯菊, 硫华菊, 黄秋英
- Russian
- Космея серно-жёлтая, Космея серно-желтая
- Korean
- 노랑코스모스
Where this comes from
- iNaturalist, read 2026-10-24, CC0-1.0 (observation counts)
- Wikidata, read 2026-10-26, CC0-1.0
- Kew's checklist, read 2026-10-24, CC-BY-4.0
- NC State Extension, read 2026-10-25, fact, cited
- RHS, read 2026-10-25, fact, cited
- Wikimedia Commons, read 2026-10-24, CC BY 3.0
- iNaturalist, read 2026-10-25, CC BY
- iNaturalist, read 2026-10-25, CC BY
- iNaturalist, read 2026-10-25, CC0
- 3D model: Cosmos sulphureus (built for Vanagrha) by Vanagrha, own
A fact “checked by a majority of its sources” was settled by a vote of the pages it was read from, not by a person reading it; one marked “one source” rests on that page alone. Anything else not marked checked has not been checked yet. Where nothing is known, the page says so rather than guess.