Native Range: China, Bhutan, India, Nepal, Sikkim

Hardiness Zone: USDA Zone 4a: to -34.4 °C

Height: 1,6m

Soil: Prefers rich, humusy soils.

pH:

Moisture: Medium

Light: May – June

Flowering Period: Part shade to full shade.

Garden locations: Group or mass in moist or wet areas with part shade in woodland gardens, borders.

Price: 10 €