Native Range: China,E Kazakhstan, Mongolia, Russia (Siberia).
Hardiness Zone: USDA Zone 3a: to -39.9 °C
Soil: Prefers rich, humusy, well drained, slightly acid to neutral soil.
Light: Partial shade
Flowering Period: May - June
Garden locations: Woodland gardens and moist partial shady borders. Native plant gardens.
Price: 5 €