Species PlantsSweetgrass

Sweetgrass

Hierochloe odorata

UncommonPlant
Illustration of Sweetgrass (Hierochloe odorata)

Sweetgrass is a fragrant grass sacred to many Indigenous peoples of North America, used for centuries in basketry, smudging ceremonies, and medicine. Its long, flat leaves contain coumarin compounds that give off a sweet vanilla-like scent when dried. Found across northern North America and circumboreal regions, it grows in moist meadows and prairie wetlands. Sweetgrass populations have declined in many areas due to habitat loss and overharvesting.

Habitat
Grows in moist prairies, streamside meadows, and lake margins across northern North America.
Diet
Grazed by deer and elk; provides nesting material for ground-nesting birds.
How common
Uncommon

Best time to see a Sweetgrass

The best time to see a Sweetgrass is April–May, when about 61% of U.S. sightings happen, based on 429 research-grade iNaturalist observations.

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