Red Dahlia
Dahlia coccinea Cav.
- light
- Full sun
- water
- Medium
- tall
- 1.2 m
- wide
- 75 cm
Asteraceae
Also called Red dahlia
Formerly Bidens cervantesii, Bidens coccinea, Dahlia cervantesii, Dahlia chisholmii, and 12 more
When it flowers
Flowers July to October 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
- Tuberous geophyteKew's checklist, not yet checked
- Climate
- Seasonally dry tropicalKew's checklist, not yet checked
- Wild in
- Mexico to El SalvadorKew's checklist, not yet checked
- Light
- Full sun (6 h or more)Read from RHS, one source
- Height
- 99 cm to 1.5 mRead from RHS, one source
- Spread
- 51 cm to 99 cmRead from RHS, one source
- Water
- Average: moist, well drainedRead from RHS, one source
- Flowers
- Yellow, orange, redRead from Wikipedia, one source
- Coldest it survives
- -5 °C (USDA zone 9a)Read from RHS, one source
Not known yet: heat, hottest it survives.
Grow it with
Suggested by a rule, not by a gardener: same climate (kew), flowering when this plant does not (inaturalist), and a different shape.
Arabian jasmineFlowers November to June, when this does not
Black-eyed Susan vineFlowers November to June, when this does not
Blue dazeFlowers November to June, when this does not
Bush Morning GloryFlowers November to June, when this does not
Calabur treeFlowers November to June, when this does not
Candelabra BushFlowers November to June, when this does not
In other languages (8)
- Spanish
- dalia roja
- root
- Acocoxochitl, chalihuesca, yarg yurshe
- Japanese
- ヒグルマダリア
- Chinese (China)
- 红大丽花
- Chinese
- 紅大麗花, 红大丽花
- Russian
- Георгина ярко-красная
- Polish
- dalia szkarłatna
- Slovak
- georgína šarlátová
Where this comes from
- iNaturalist, read 2026-10-25, CC0-1.0 (observation counts)
- Wikidata, read 2026-10-25, CC0-1.0
- Kew's checklist, read 2026-10-24, CC-BY-4.0
- RHS, read 2026-10-26, fact, cited
- Wikipedia, read 2026-10-25, fact, cited
- Wikimedia Commons, read 2026-10-25, CC BY-SA 4.0
- iNaturalist, read 2026-10-25, CC BY
- iNaturalist, read 2026-10-25, CC BY
- iNaturalist, read 2026-10-25, CC BY
- 3D model: Dahlia coccinea (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.