Native Range: China
Hardiness Zone: USDA Zone 6a: to-23.3 °C
Soil: Prefers deep, rich, soils.
Moisture: Moist but well-drained.
Light: Light shade to shade.
Flowering Period: July
Garden locations: Winter mulch. Woodland garden or a sheltered border in semi-shade. Tubers should be planted about 30cm deep.
Price: 6 €