Sunflower, Sawtooth

Sawtooth Sunflower (Helianthus grosseserratus) is a perennial forb native to Midwestern US states (such as Iowa, Illinois, Minnesota, and Kansas) that can thrive in USDA Zones 3–9. Reaching a mature height of 6–10 feet with a tall upright rhizomatous growth habit, it features long, coarse, sharply toothed green leaves and produces bright yellow flower heads with dark yellow centers. It thrives in rich, moist prairie soils, floodplains, and ditches and is ideal for tallgrass prairie conservation, biomass plantings, and gamebird cover.