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From early summer to late summer, elongated tufts of pink flowers reach out of roadsides and stream banks. Can overtake moist areas; spreads less vigorously in drier conditions. Native to Western North America.
Mature size: 4 - 6 feet tall & colony forming (remove side-suckers to control size)
Minimum temperature: -20° F
Closeup photo by Epibase, CC BY 3.0, via Wikimedia Commons
Colony photo by Ron Clausen, CC BY-SA 4.0, via Wikimedia Commons
Properties/conditions: