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

Common Name(s): Sunn hemp
Family: Fabaceae
Growth Habit: Annual
Growing Days: 60 to 160 (days)
Abs.Max=104° (F)    Opt.Max=84° (F)
Opt.Min=68° (F)    Abs.Min=39° (F)
Precipitation: 50 to 100 (in.)
Winter Minimum: 28° (F)
Soil pH: 5 to 7.7
Soil Texture/Type: Light soils
Soil Drainage: Well
Photoperiod Response: Short day and day neutral
Light Intensity: Bright
New US crop. Tolerant of drought, but not of salt or frost. Short day crop but growth favors long days.
Phytothora, Rhizoctonia, Cercospora, Anthrachose, Powdery Mildew
Environ. - soil improver, Material - fiber, Poison - mammals, Animal Food - forage
Steppe and semi-arid, subtropical, tropical-rainy
Geographical Origin:
Indian Subcontinent, Tropics
Metric Units

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Last Modified: October 17, 2012
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