Perennial Ryegrass
Grasses
Perennial Ryegrass
Lolium perenne L.
Longevity: Annual or Perennial
Palatability: Very High
Winter Hardiness: - to F
Growth Habit: Bunchgrass
Drought Tolerance: Poor
Cool or Warm Season: Cool
Use and Comments: Low to medium-yielding, cool season pasture, hay and turf; quick establishment
Distribution in U.S.: Primarily in the southeast and the Northwest
Height: 12-24 inches
Inflorescence: Spike; 35 spikelets per spike; 6-10 florets per spikelet
Culm: Flat, wiry
Leaves: Sparse leaves on culms; underside glossy; auricles present; ligule difficult to see; cross section of leaf blade V-shaped
Drainage: Somewhat Poorly Drained
Fertility: Medium-High
pH: 5.6-6.2
Color: Tan
Shape: Oblong; rachilla flat and wedged shaped, not knobbed
Other Characteristics: Awns usually absent
Pounds per Bushel: 24
Seeds per Pound: 227,000
Seeding Rate: 15-20 pounds PLS per acre
Seeding Date (Indiana): Mar 1 - May 1 or Aug 1 - Sept 1
Emergence Time (Days): 14
Optimum Germ. Temp. (F): 60°-75°
Longevity: Annual or Perennial
Palatability: Very High
Winter Hardiness: - to F
Growth Habit: Bunchgrass
Drought Tolerance: Poor
Cool or Warm Season: Cool
Use and Comments: Low to medium-yielding, cool season pasture, hay and turf; quick establishment
Distribution in U.S.: Primarily in the southeast and the Northwest
Height: 12-24 inches
Inflorescence: Spike; 35 spikelets per spike; 6-10 florets per spikelet
Culm: Flat, wiry
Leaves: Sparse leaves on culms; underside glossy; auricles present; ligule difficult to see; cross section of leaf blade V-shaped
Drainage: Somewhat Poorly Drained
Fertility: Medium-High
pH: 5.6-6.2
Color: Tan
Shape: Oblong; rachilla flat and wedged shaped, not knobbed
Other Characteristics: Awns usually absent
Pounds per Bushel: 24
Seeds per Pound: 227,000
Seeding Rate: 15-20 pounds PLS per acre
Seeding Date (Indiana): Mar 1 - May 1 or Aug 1 - Sept 1
Emergence Time (Days): 14
Optimum Germ. Temp. (F): 60°-75°
