This map shows the precipitation suitability of this crop in the state of Illinois.
Precipitation Map
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Mahonia aquifolium
Synonyms: Berberis aquifolium

Common Name(s): Oregon grape; blue barberry; holly leaved barberry
Family: Berberidaceae
Growth Habit: Perennial
Growing Days: 170
Precipitation: 20 to 45 (in.)
Winter Minimum: -44° (F)
Soil pH: 5 to 8
Soil Texture/Type: Medium
Soil Drainage: Well
Photoperiod Response:
Light Intensity:
Alternative. Native from Nebraska west to Pacific coast.
Pythium, Rust, Cercospora
Environ. - ornamental, Medicinal - folklore


Geographical Origin:
Eastern Canada, Northwestern USA, Western Canada
Metric Units

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Last Modified: October 17, 2012
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