Acorus americanus (Sweet Flag)

Sweet Flag (Acorus americanus) Height, Spread: 1-3 ft. tall, 1-2 ft. wide, spreads via rhizomes Water/Soil: Moist-Wet, Best in wetland areas Light: Full Sun-Part Shade Bloom: Summer, Greenish-Yellow Flowers Native Range: Northern USA and Canada Qualities: Host Plant, Erosion control Notes: Commonly found on the mucky freshwater shorelines of Northern North America. DNA evidence supports Acorus as the oldest surviving line of monocots. Sweetflag is a host plant for Plateumaris shoemakeri, a leaf beetle. Best placed along pond edges, can help with erosion control.