Annual Ragweed

Ambrosia artemisiifolia L. - Aster family

Size

Mature Height: Up to around 5.0 feet

Plant Type: Forb/herb

Features

Flower Color: Green, Brown

Conspicuous Flowers: Yes

Bloom Time: Late Spring, Early Summer, Mid Summer

Conditions

Shade Tolerance: Tolerant

Native Range

  • USA:  Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Idaho, 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, Oregon, Pennsylvania, Rhode I., South Carolina, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming
  • CAN:  Alberta, British Columbia, Manitoba, New Brunswick, Northwest Territorie, Nova Scotia, Ontario, Prince Edward I., Québec, Saskatchewan
Regional Native Status: L48 (NI), HI (I), 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.