Sawtooth Sunflower is a tall, colony-forming prairie sunflower reaching 10 feet, with rough, saw-toothed leaves and golden yellow flowers. It spreads aggressively by rhizomes in moist to wet prairies, roadsides, and disturbed areas across the Midwest. Its seeds are an important fall and winter food for goldfinches, sparrows, and many small birds.
Best time to see a Sawtooth Sunflower
The best time to see a Sawtooth Sunflower is August–September, when about 63% of U.S. sightings happen, based on 1,763 research-grade iNaturalist observations.
Not certain it is a Sawtooth Sunflower? What plant is this? walks through what to check first and the lookalikes that catch people out.
Recent Sawtooth Sunflower sightings near you
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