Helianthus grosseserratus
sawtooth sunflower
Family Asteraceae
IUCN: Least concern Wikipedia (opens in a new tab)
About
Sawtooth sunflower is a tall prairie perennial of damp ground in central and eastern North America, named for its coarsely toothed leaves.
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.
- Soil
- Moist, fertile loam rich in organic matter.
- 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
Usually 0.9–2.1 m tall, occasionally to 3.7 m. Glossy, lance-shaped leaves 10–30 cm long have large marginal teeth and pointed tips.
Distribution & habitat
Along streams, damp prairies and roadsides in eastern and central Canada and the United States, chiefly the northern Great Plains and Great Lakes, with outliers to Maine, Georgia and Texas.
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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