Canadian milkvetch

Astragalus canadensis

Medium to tall, rhizomatous short-lived perennial native legume with creamy greenish-white flowers, blooming June to September. Adapted to a wide range of well-drained soils, preferring wet meadows, forests, riverbanks and marshy sites; up to 9,000 ft. elevation. Useful for riparian restoration and erosion control; slow establishing. Pollinated by native bees and butterflies. Not tolerant of extreme cold.