Lolium perenne ssp. multiflorum* (Annual ryegrass)

Formerly known as Lolium multiflorum. Cool season, annual bunch grass adapted to many sites where adequate water is available. Establishes quickly and easily. It is highly palatable to livestock and wildlife and is excellent for temporary pasture or early spring growth in permanent pastures. Sometimes used in erosion control blends for quick, temporary cover. Popular choice for winter over-seeding of turf areas in the south and southwest.

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Family: Poaceae

Duration: Annual

Growth Habit: Graminoid

Native Status: Introduced

Season: Cool

Growth Form: Bunchgrass

Mature Height: 29 in.

Annual Precipitation: 18-65 in.

Drought Tolerance: Low

Shade Tolerance: Intermediate


Wetland Indicator Status:

Fire Resistance: No

Fire Tolerance: Low


Coarse Texture: Yes

Medium Texture: Yes

Fine Texture: Yes 

Salinity Tolerance: Medium 

CaCO3 Tolerance: High

pH Range: 5.0-7.9


Seeds per Pound: 217,000

Seeding Rate: 8-16 PLS lbs/acre

Season: Fall

Days to Germination:


Gulf - Developed as winter forage for livestock. High forage production and seed yield. Resistant to rust. Susceptible to winter killing. (Released 1958, source of ecotype: Uruguay)