Native Range: Eurasia, mountain regions of Korea, eastern Russia, China and Japan.

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

Height: 1,2m

Soil: Humusy soils. Tolerate clay soil

pH:

Moisture: Medium

Light: Part shade to full shade

Flowering Period: July - August

Garden locations: shady areas in a native plant or wildflower garden, woodland garden,  rock garden

Price: 5 €