Back to species databaseGrass / Sedge / Rush

Cord Grass

Spartina pectinata

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Category
Grass / Sedge / Rush
Sun
Full to Partial
Soil moisture
Wet to Medium
Bloom time
Jul–Sep
Bloom color
Green
Notes
Warm, Aggressive, Rhizomatous

About Cord Grass

Prairie Cord Grass is a formidable, warm-season native grass known for its aggressive growth and exceptional ability to stabilize wet soils. Reaching impressive heights of six to eight feet, it features long, arching leaf blades that turn a beautiful golden-yellow in the fall. In mid-to-late summer, it produces distinctive, comb-like flower spikes that are cross-pollinated by the wind. This grass is native to wet prairies, marshes, and swales throughout the United States and is particularly valued for its ability to outcompete invasive species like Reed Canary Grass. It provides essential nesting habitat for wetland birds and serves as a host plant for several specialized moths, including the Four-lined Borer. While its rhizomatous nature makes it too aggressive for small garden beds, it is an ideal selection for large-scale restoration projects or erosion control along shorelines.

Native range

Native to 41 states:

ArkansasColoradoConnecticutD.C.DelawareIowaIdahoIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMontanaNorth CarolinaNorth DakotaNebraskaNew HampshireNew JerseyNew MexicoNew YorkOhioOklahomaOregonPennsylvaniaRhode IslandSouth DakotaTennesseeTexasUtahVirginiaVermontWashingtonWisconsinWest VirginiaWyoming

County range map

BONAP county-level native range map for Spartina pectinata

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

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