Native Range: North America

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

Height: 0,4-0,6m

Soil: humusy soils .Tolerate clay soil

pH: tolerate alkaline pH

Moisture: moist or wet, swampy area

Light: Full sun to part shade

Flowering Period: May-June

Garden locations: Good Cutflover. Rhizomatous plant that can spread aggressively in the landscape

Price: 4 €