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

Common Name(s): Yellow Guinea yam
Family: Dioscoreaceae
Growth Habit: Perennial
Growing Days: 280 to 365 (days)
Abs.Max=104° (F)    Opt.Max=90° (F)
Opt.Min=68° (F)    Abs.Min=54° (F)
Precipitation: 47 to 114 (in.)
Winter Minimum: 48° (F)
Soil pH: 6 to 6.7
Soil Texture/Type: Light to medium textured soils
Soil Drainage: Well
Photoperiod Response: Long day, short day and day neutral
Light Intensity: Bright-Lt shade
Prefers deep soils of high fertility. Low salt tolerance.
Anthrachose, Cercospora
Food - vegetable
Geographical Origin:
Only cultivated, Africa
Metric Units

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Last Modified: October 17, 2012
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