This map shows the precipitation suitability of this crop in the state of Illinois.
Precipitation Map
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Lathyrus tuberosus

Common Name(s): Earth chestnut; tuberous sweatpea
Family: Fabaceae
Growth Habit: Perennial
Invasiveness: Weed
Growing Days: 100
Precipitation: 36 to 55 (in.)
Winter Minimum: -27° (F)
Soil pH: 4.8 to 7.6
Soil Texture/Type: Moist sand, loam, or clay
Soil Drainage: Well
Photoperiod Response:
Light Intensity:
Not frost tender. Good drought, but no salt tolerance. Slightly invasive.
Crop not found in disease search.
Weed - possible seed contam., Food - vegetable


Geographical Origin:
Asia Temp, Europe
Metric Units

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Last Modified: October 17, 2012
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