Gardner's Yampah

Perideridia gairdneri (Hook. & Arn.) Mathias - Carrot family

Size

Mature Height: Up to around 4.0 feet

Plant Type: Forb/herb

Features

Flower Color: White

Conspicuous Flowers: Yes

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

Conditions

Shade Tolerance: Tolerant

Ecosystem Interactions

Pollinators: Native Bees; Larval Host (Butterfly)

Larval Species depending on Gardner's Yampah: Papilio zelicaon

Native Range

  • CAN:  Alberta, British Columbia, Saskatchewan
  • USA:  California, Colorado, Idaho, Montana, Nevada, Oregon, South Dakota, Utah, Washington, Wyoming
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.