Swamp Smartweed

Polygonum hydropiperoides Michx. - Buckwheat family

Size

Mature Height: Up to around 3.0 feet

Plant Type: Forb/herb

Features

Flower Color: White, Pink, Green

Bloom Time: Late Spring, Early Summer, Mid Summer, Late Summer, Fall

Conditions

Shade Tolerance: Intolerant

Ecosystem Interactions

Pollinators: Native Bees; Bombus; Honey Bees; Beetles, Wasps, Flies; Butterflies; Larval Host (Butterfly); Larval Host (Moth)

Larval Species depending on Swamp Smartweed: Chionodes discoocellella, Epidemia helloides

Native Range

  • USA:  Alabama, Alaska, Arizona, Arkansas, California, Connecticut, Delaware, District of Columbia, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Nebraska, New Hampshire, New Jersey, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode I., South Carolina, South Dakota, Tennessee, Texas, Vermont, Virginia, Washington, West Virginia, Wisconsin
  • CAN:  British Columbia, New Brunswick, Nova Scotia, Ontario, Québec
  • MEX:  Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest
  • USA+:  Puerto Rico
Regional Native Status: L48 (N), AK (I), PR (N), CAN (N)

State-level native status is based on data available through Plants of the World Online. Regional Native Status comes from the USDA Plants Database. For more detailed native status information, please refer to BONAP.