Native Range: Eastern and central North America
Hardiness Zone: USDA Zone 3a: to -39.9 °C
Soil: neutral to slightly acidic soils
Moisture: Consistently moist soils that do not dry out.
Light: Part shade to full shade
Flowering Period: May-June
Garden locations: Group in shade gardens, woodland gardens and shaded areas of border fronts.
Price: 7 €