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From meadows and wetlands on the west side of the cascades to the coast of Northern California, Oregon, Washington, and British Columbia, these particularly tall, blue-violet, upright terminal racemes bloom April and May. Strappy leaves flank the naked stems. Regular moisture is required in spring when developing, but drought is acceptable thereafter. Native and naturalizing. 2.5 – 4' T x 1 – 2' W
Minimum temperature: -20° F