About
Smooth sunflower is a hairless, rhizomatous perennial of shale-derived soils in the east-central and southeastern United States.
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
Up to about 2.2 m tall with leaves along the stem up to 15 cm, sometimes pale and waxy beneath. Plants have 1–6 heads with 5–10 yellow rays around 40 or more yellow disc florets.
Distribution & habitat
From Georgia to Maryland, on soils derived from shale.
Habitat
- Altitude
- Not recorded
- Altitude class
- —
- Native to
- United States
Cultivation
- Difficulty
- Not recorded
Text adapted from Wikipedia, CC BY-SA 4.0.
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