Native Range: E. Asia - C. Russia to Japan.

Hardiness Zone: USDA Zone 3a: to -39.9 °C

Height: 1,5m

Soil: humus rich soils.

pH:

Moisture: Needs to be kept moist. Do not allow to fully dry out.

Light: grow in semi-shade (light woodland).

Flowering Period: July-August

Garden locations: Border, woodland gardens, native plant gardens. Nice in light shade under a tree.

Price: 8 €