Western Rattlesnakeroot

Prenanthes alata (Hook.) D. Dietr. - Aster family

Size

Mature Height: Up to around 32 inches

Plant Type: Forb/herb

Features

Flower Color: White, Purple

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

Native Range

  • USA:  Alaska, Idaho, Montana, Oregon, Washington
  • CAN:  Alberta, British Columbia
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.