Pennsylvania Smartweed

Polygonum pensylvanicum L. - Buckwheat family

Size

Mature Height: Up to around 6.0 feet

Plant Type: Forb/herb

Features

Flower Color: White, Red, Pink

Conspicuous Flowers: Yes

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

Conditions

Shade Tolerance: Intolerant

Ecosystem Interactions

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

Larval Species depending on Pennsylvania Smartweed: Helicoverpa zea, Ostrinia obumbratalis, Pleuroprucha insulsaria, Pseudeustrotia carneola, Pyrrhia umbra

Native Range

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