Helianthus pauciflorus
stiff sunflower
Family Asteraceae
IUCN: Least concern Wikipedia (opens in a new tab)
About
Stiff sunflower is a rhizomatous prairie perennial widespread across the Great Plains, Rocky Mountains and Great Lakes region.
Care at a glance
- Pet safety
- Not recorded. We have no source on whether this plant is safe for cats, dogs or other pets — that is not the same as safe. Keep it out of reach until you have checked.
- People
- Not recorded.
- Light
- Full sun gives the most flowers; partial shade is tolerated. General guidance for the genus
- Propagation
- Seed or stem cuttings. General guidance for the genus
“General guidance for the genus” marks advice sourced for the genus as a whole rather than this species.
Field notes
Morphology
Grows 0.5–2 m tall with most leaves near the base. Plants carry 1–10 heads, each with 10–20 yellow rays around at least 75 usually red disc florets.
Distribution & habitat
Great Plains, Rocky Mountains and Great Lakes region, naturalised in parts of the eastern United States and southern Canada from Alberta to Nova Scotia.
History & etymology
Hybrids with Jerusalem artichoke are called H. × laetiflorus.
Conservation
Assessed as Least Concern by the IUCN.
Habitat
- Altitude
- Not recorded
- Altitude class
- —
- Native to
- United States, Canada
- IUCN status
- Least concern
Cultivation
- Difficulty
- Not recorded
Text adapted from Wikipedia, CC BY-SA 4.0.
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