Poke Knotweed

Polygonum phytolaccifolium Meisn. ex Small

Buckwheat family

Plant Type
Forb/herb
Life Cycle
Perennial
Mature Height
6.0 feet
Flower Color
White, Green
Bloom Time
Late Spring, Early Summer, Mid Summer

Ecosystem & Wildlife

Pollinators Native Bees; Larval Host (Butterfly)
Larval Host Gaeides editha editha

Native Range

  • USA:  California, Idaho, Montana, Nevada, Oregon, Washington

Regional Native Status: L48 (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.