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Prairie Wedgegrass

Sphenopholis obtusata

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Category
Grass / Sedge / Rush
Sun
Full to Partial
Soil moisture
Medium-Wet to Medium-Dry
Bloom time
Jun–Aug

About Prairie Wedgegrass

Prairie Wedgegrass is a delicate, cool-season bunchgrass that offers a wispy, graceful texture to the early summer landscape. Typically growing two to three feet tall, it produces slender, upright stems topped with dense, layered flower spikes that emerge a pale lime-green before maturing to an attractive tan or "oatmeal" color. Native to a wide range of habitats from moist prairies to dry woods across North America, it is remarkably adaptable to various soil types as long as they aren't extremely dry. This short-lived perennial or annual is a pioneer species, often filling in gaps in disturbed areas before more permanent plants take hold. It serves as a host plant for the White-lined Sphinx Moth and provides forage for livestock and wildlife. Because it self-sows readily, it is a great "filler" plant for establishing new native meadows.

Native range

Native to 49 states:

AlabamaArkansasArizonaCaliforniaColoradoConnecticutD.C.DelawareFloridaGeorgiaIowaIdahoIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNorth DakotaNebraskaNew HampshireNew JerseyNew MexicoNevadaNew YorkOhioOklahomaOregonPennsylvaniaRhode IslandSouth CarolinaSouth DakotaTennesseeTexasUtahVirginiaVermontWashingtonWisconsinWest VirginiaWyoming

County range map

BONAP county-level native range map for Sphenopholis obtusata

Range map courtesy of BONAP (Biota of North America Program).

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