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Common Rush

Juncus effusus

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Category
Grass / Sedge / Rush
Sun
Full
Soil moisture
Wet to Medium
Bloom time
Jul–Sep
Notes
Cool

About Common Rush

Common Rush is one of the most widespread and recognizable rushes in the world, valued for its elegant, vertical form and its role as a wetland workhorse. This perennial forms dense, symmetrical clumps of smooth, cylindrical, emerald-green stems that grow 2 to 4 feet tall. The stems are leafless, with small, inconspicuous brownish flowers emerging in a cluster from a slit near the pointed tips in mid-summer. Native to a variety of wet habitats including marshes, swamps, and pond margins, it is a vital plant for water purification and shoreline stabilization. It thrives in full sun and wet to medium-moist soils, and it is famously tolerant of standing water. Its architectural habit makes it a popular choice for modern rain gardens, water features, and large-scale restoration projects. Beyond its beauty, it provides essential nesting habitat for wetland birds like muskrats and is a host for various aquatic insects. Easy to grow and virtually pest-free, Common Rush is a foundational species for any damp or aquatic planting.

Native range

Native to 47 states:

AlaskaAlabamaArkansasArizonaCaliforniaColoradoConnecticutD.C.DelawareFloridaGeorgiaIowaIdahoIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNorth DakotaNebraskaNew HampshireNew JerseyNew MexicoNevadaNew YorkOhioOklahomaOregonPennsylvaniaRhode IslandSouth CarolinaTennesseeTexasVirginiaVermontWashingtonWisconsinWest Virginia

County range map

BONAP county-level native range map for Juncus effusus

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

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