Native Range: Unusual variety

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

Height: 1,5m

Soil: Prefers rich, humusy, well drained, slightly acid to neutral soil.

pH:

Moisture: Moist

Light: Part shade

Flowering Period: July – August

Garden locations: Woodland gardens and moist  borders. Native plant gardens.

Price: 2 €