This map shows the overall suitability of this crop in the state of Illinois.
Overall Suitability Map
Click for Large Map


Lolium perenne
Synonyms: L. boucheanum

Common Name(s): Perennial ryegrass
Family: Poaceae
Growth Habit: Perennial
Invasiveness: Weed
Growing Days: 90 to 270 (days)
Abs.Max=95° (F)    Opt.Max=77° (F)
Opt.Min=57° (F)    Abs.Min=41° (F)
Precipitation: 28 to 51 (in.)
Winter Minimum: -24° (F)
Soil pH: 5 to 7.5
Soil Texture/Type: Heavy, rich, moist soils
Soil Drainage: Well
Photoperiod Response: Long day
Light Intensity: Bright to cloud
Adapted to mild, humid temperate climate. Less drought and cold resistant than other types.
Pythium, Phytothora, Anthrachose, Rust, Helminthosporium/Bipolaris, Rhizoctonia
Environ. - erosion control, Animal Food - fodder, Animal Food - forage, Environ. - ornamental, Weed - possible seed contam., Poison - mammals
Boreal, steppe and semi-arid, subtropical, temperate
Geographical Origin:
Northern Africa, Arabian peninsula, Western Asia, Indian Subcontinent, Europe
Metric Units

Return to Search Results

| Alternative Crops Home | General Information | Methods | Quick Guide | Select Crop |
| Map Search | Crop List | County Search | Disclaimer | Links | Citations | Site Map |

| Home | Highlights | Staff | Data | Information | Centers | Site Map |
University of Illinois at Urbana-Champaign logo Illinois State Water Survey, Contact Information
University of Illinois at Urbana-Champaign
All files and information © 2018 Illinois State Water Survey. Terms of use.
Email the Web Administrator with questions or comments.
Last Modified: October 17, 2012
Illinois State Water Survey illinois state Water survey Alternative Crop Suitability Maps Site Map Alternative Crop Suitability Maps Contact Information Illinois Council on Food and Agricultural Research Illinois Department of Natural Resources Alternative Crop Suitability Maps