Prairie sunflower
Helianthus petiolaris Nutt.
- light
- Full sun
- water
- —
- tall
- 1.2 m
- wide
- 60 cm
Asteraceae
When it flowers
JFMAMJJASOND
Not known yet in the tropics: too few flowering observations to read a season from.
PetsNo pet-safety information yet
PeopleNo safety information yet
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
- TemperateKew's checklist, not yet checked
- Wild in
- Canada to N. MexicoKew's checklist, not yet checked
- Light
- Full sun (6 h or more)Read from Wikipedia, one source
- Height
- 1.2 mRead from Wikipedia and Plants For A Future, checked by a majority of its sourcesBacked by both sources. Sources differ: Wikipedia 120–120 cm; Plants For A Future 30–150 cm
- Spread
- 30 cm to 89 cmRead from Plants For A Future, one source
- Flowers
- Yellow, brownRead from Wikipedia, one source
Not known yet: water, coldest it survives, heat, hottest it survives.
In other languages (2)
- Welsh
- blodyn-yr-haul bach
- Finnish
- pikkuauringonkukka
Where this comes from
- Wikidata, read 2026-10-25, CC0-1.0
- Kew's checklist, read 2026-10-24, CC-BY-4.0
- Wikipedia, read 2026-10-25, fact, cited
- Plants For A Future, read 2026-10-26, fact, cited
- Wikimedia Commons, read 2026-10-25, Public domain
- 3D model: Helianthus petiolaris (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.