Native Range: Cascades and Rocky Mountains of northwestern North America.
Hardiness Zone: USDA Zone 3a: to -39.9 °C
Soil: Organically rich, well-drained soils. Performs well in sandy loams
Moisture: moist but well-drained
Light: Full sun, Partial shade
Flowering Period: June - July
Garden locations: Good in rock gardens.
Price: 3 €