Lolium perenne ssp. multiflorum* (Annual ryegrass)

Formerly L. multiflorum. Cool season, annual bunchgrass adapted to many sites where adequate water is available. Establishes quickly and easily. Highly palatable to livestock and wildlife. Excellent for temporary pasture or for early spring growth in a perennial pasture mix. Use in erosion control blends for quick, temporary cover. Also used for winter over-seeding of dormant warm season Bermudagrass (Cynodon dactylon) lawns in the south and southwest. Varieties listed below.

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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:


Ed - High forage yields, even after extended periods below freezing. Improved crown rust resistance.

Gulf - Developed as winter forage for livestock. High forage production and seed yield. Resistant to rust. Susceptible to winter killing. (Released 1958)