Erect Knotweed

Polygonum erectum L. - Buckwheat family

Size

Mature Height: Up to around 30 inches

Plant Type: Forb/herb

Features

Flower Color: Yellow, Green

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

Native Range

  • USA:  Alabama, Arkansas, Colorado, Connecticut, Delaware, District of Columbia, 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, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode I., South Carolina, Tennessee, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming
  • CAN:  Alberta, Ontario, Québec, Saskatchewan
Regional Native Status: L48 (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.