Common Rush

Juncus effusus L.

Rush family

Plant Type

Graminoid

Life Cycle

Perennial

Mature Height

6.6 feet

Spread

3.0 feet

Flower Color

Brown

Bloom Time

Summer

Growing Conditions

Light

Shade Tolerance Intolerant

Water

Water Use Medium

Drought Tolerance Medium

Flood Tolerance Medium

Soil

Soil Types Clay, Loam, Sand

CaCO3 Tolerance Low

Fertility Need Medium

Stress Tolerance

Fire Tolerance High

Salt Tolerance Low

Climate

pH Range 5.5 – 8.8

Frost-Free Days 120 days

Precipitation 18 – 60 in

Ecosystem & Wildlife

Pollinators Larval Host (Moth); Wind

Larval Host Coleophora concolorella, Coleophora cratipennella, Coleophora fagicorticella, Coleophora quadrilineella

Fall Color No

Evergreen No

Native Range

USA: Alabama, Alaska, Arizona, Arkansas, California, Connecticut, Delaware, District of Columbia, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, New Hampshire, New Jersey, New York, North Carolina, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode I., South Carolina, Tennessee, Texas, Vermont, Virginia, Washington, West Virginia, Wisconsin
CAN: British Columbia, Manitoba, New Brunswick, Newfoundland, Nova Scotia, Ontario, Prince Edward I., Québec
MEX: Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest

Regional Native Status: L48 (N), AK (N), HI (I), CAN (N), SPM (N)

State-level native status is based on data available through Plants of the World Online. Regional Native Status comes from the USDA Plants Database. For more detailed native status information, please refer to BONAP.