Lolium perenne* (Perennial ryegrass)

Cool season, short-lived perennial bunch grass adapted to a wide variety of sites where moisture is adequate. Establishes quickly and easily. Excellent palatability and often is used in pasture and range improvement blends. Extensively bred for use as a turfgrass.Tetraploid versus Diploid Tetraploid varieties are more vigorous, less stemmy, have higher digestibility and better regrowth than diploid varieties. Diploid varieties have finer leaf blades and tiller more aggressively. Tetraploid varieties should be used for pasture and range, while diploid types are better suited for turf.

area of adaptation

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Family: Poaceae

Duration: Perennial, Short-lived

Growth Habit: Graminoid

Native Status: Introduced

Season: Cool

Growth Form: Bunchgrass

Mature Height: 36-42 in.

Annual Precipitation: 30-65 in.

Drought Tolerance: Low

Shade Tolerance: Intolerant


Wetland Indicator Status:

Fire Resistance: No

Fire Tolerance: Low


Coarse Texture: No

Medium Texture: Yes

Fine Texture: Yes

Salinity Tolerance: Medium

CaCO3 Tolerance: High 

pH Range: 5.0-8.0


Seeds per Pound: 240,400

Seeding Rate: 20-25 PLS lbs/acre

Season: Spring/Fall

Days to Germination:


Linn - Common variety used for naturalized areas and basic pasture; unsatisfactory turf. Productive early in the growing season. Good seed producer. (Released 1961)

Various turfgrass types are also available, including:


If you are looking for turfgrass varieties other than what you see listed here, please contact us.