Native Range: Northern N. America - Washington to Alaska and eastwards to Russia (Siberia) and Japan.
Hardiness Zone: USDA Zone 4a: to -34.4 °C
Soil: well-drained sandy, peaty woodland soil
Moisture: Moist, well drained soil
Light: Partial shade
Flowering Period: May - June
Garden locations: Woodland Garden
Price: 12 €