Silver Bur Ragweed

Ambrosia chamissonis (Less.) Greene - Aster family

Size

Mature Height: Up to around 5.0 feet

Plant Type: Subshrub, Shrub, Forb/herb

Features

Flower Color: White, Yellow, Green

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

Ecosystem Interactions

Pollinators: Larval Host (Moth)

Larval Species depending on Silver Bur Ragweed: Orgyia vetusta

Native Range

  • USA:  Alaska, California, Oregon, Washington
  • CAN:  British Columbia
  • MEX:  Mexico Northwest
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.