Species PlantsPrairie Dropseed

Prairie Dropseed

Sporobolus heterolepis

UncommonPlant
Illustration of Prairie Dropseed (Sporobolus heterolepis)

Prairie Dropseed is a fine-textured, native bunchgrass of the tallgrass prairie region, forming elegant, arching mounds of hair-thin leaves that turn golden-orange in autumn. In late summer it produces airy, fragrant flower panicles with a distinctive sweet, cilantro-like or popcorn-like scent that can be detected from several feet away. It is a slow-growing, long-lived grass that can persist in a single location for decades, making it a reliable indicator of undisturbed or high-quality prairie remnants. Its seeds are relished by small mammals and ground-feeding birds.

Habitat
Dry to mesic tallgrass prairies, rocky open woods, and limestone glades from the Great Plains east to the Great Lakes.
Diet
Seeds eaten by Grasshopper Sparrows, Dickcissels, and small mammals; dense clumps provide nesting cover for prairie birds.
How common
Uncommon

Best time to see a Prairie Dropseed

The best time to see a Prairie Dropseed is June–September, when about 69% of U.S. sightings happen, based on 1,259 research-grade iNaturalist observations.

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