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

Common Name(s): Cush-cush
Family: Dioscoreaceae
Growth Habit: Perennial
Growing Days: 280 to 330 (days)
Abs.Max=97° (F)    Opt.Max=79° (F)
Opt.Min=64° (F)    Abs.Min=50° (F)
Precipitation: 47 to 102 (in.)
Winter Minimum: 45° (F)
Soil pH: 6 to 6.7
Soil Texture/Type: Heavy, medium or light textures
Soil Drainage: Well
Photoperiod Response: Short day
Light Intensity: Bright to clear
Prefers deep soils with high fertility. Low salt tolerance.
Anthrachose, Cercospora
Food - vegetable
Subtropical, tropical-rainy
Geographical Origin:
South America
Metric Units

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Last Modified: October 17, 2012
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