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

Common Name(s): Crimson clover
Family: Fabaceae
Growth Habit: Winter Annual
Growing Days: 100 to 170 (days)
Abs.Max=82° (F)    Opt.Max=72° (F)
Opt.Min=55° (F)    Abs.Min=39° (F)
Precipitation: 28 to 39 (in.)
Winter Minimum: 14° (F)
Soil pH: 5.5 to 7.5
Soil Texture/Type: Sandy or clay soils
Soil Drainage: Well
Photoperiod Response: Long day
Light Intensity: Bright to clear
Adapted to cool, humid climates where winter temperatures are moderate. Grown in southern US to southern tip of Illinois. Can be grown as annual in Maine.
Sclerotinia, Helminthosporium/Bipolaris, Cercospora, Anthrachose, Powdery Mildew, Rust
Environ. - revegetator, Honey - , Animal Food - fodder, Environ. - soil improver, Poison - mammals, Animal Food - forage, Food - vegetable
Tropical-wet and dry, subtropical-humid, subtropical-dry summer, temperate, steppe and semi-arid
Geographical Origin:
Macaronesia, Western Asia, Northern/southern Europe
Metric Units

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Last Modified: October 17, 2012
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