This map shows the overall suitability of this crop in the state of Illinois.
Overall Suitability Map
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Corylus colurna var. colurna

Common Name(s): Turkish hazel
Family: Betulaceae
Growth Habit: Perennial
Growing Days: 150 to 180 (days)
Abs.Max=99° (F)    Opt.Max=82° (F)
Opt.Min=61° (F)    Abs.Min=41° (F)
Precipitation: 35 to 43 (in.)
Winter Minimum: 23° (F)
Soil pH: 6.5 to 7.3
Soil Texture/Type: Medium textured soils
Soil Drainage: Well
Photoperiod Response: Long day, short day and day neutral
Light Intensity: Bright
Winters with alternating freezing and thawing will cause damage. Prefers summers cool and winters mild.
Powdery Mildew
Environ. - ornamental, Food - nut, Genetic - hazelnut


Geographical Origin:
Caucasus, Western Asia, Southeastern Europe
Metric Units

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Last Modified: October 17, 2012
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