This map shows the overall suitability of this crop in the state of Illinois.
Overall Suitability Map
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Lolium multiflorum

Common Name(s): Annual ryegrass
Family: Poaceae
Growth Habit: Annual/Perennial
Invasiveness: Weed
Growing Days: 90 to 270 (days)
Abs.Max=100° (F)    Opt.Max=86° (F)
Opt.Min=57° (F)    Abs.Min=36° (F)
Precipitation: 20 to 35 (in.)
Winter Minimum: 25° (F)
Soil pH: 5 to 6.5
Soil Texture/Type: Medium textures
Soil Drainage: Poor
Photoperiod Response: Long day
Light Intensity: Bright to cloud
Hardy but short lived grass. Usually sown as winter annual. Sensitive to drought and cold.
Rust, Helminthosporium/Bipolaris
Animal Food - fodder, Environ. - revegetator, Poison - mammals, Weed - possible seed contam., Animal Food - forage, Environ. - erosion control
Dry climate, boreal, temperate
Geographical Origin:
Northern Africa, Western Asia, Indian Subcontinent, Southeastern/southwestern Europe, Macaronesia
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Last Modified: October 17, 2012
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