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

Common Name(s): Foxglove; purple foxglove
Family: Scrophulariaceae
Growth Habit: Biennial
Growing Days: 150 to 180 (days)
Abs.Max=75° (F)    Opt.Max=70° (F)
Opt.Min=52° (F)    Abs.Min=37° (F)
Precipitation: 28 to 43 (in.)
Winter Minimum: -13° (F)
Soil pH: 5.5 to 7
Soil Texture/Type: Fine, medium; light
Soil Drainage: Excessive
Photoperiod Response: Long day
Light Intensity: Very bright
Source of digitalin, digitoxin, and gitalin. Found in northeast and western states.
Sclerotinia, Anthrachose, Rhizoctonia
Environ. - ornamental, Medicinal - , Poison - mammals
Temperate, subtropical-dry summer
Geographical Origin:
Northern Africa, Europe, Cultivated
Metric Units

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Last Modified: October 17, 2012
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