Shasta Knotweed

Polygonum shastense W.H. Brewer

Buckwheat family

Plant Type
Subshrub, Shrub
Life Cycle
Perennial
Mature Height
16 inches
Flower Color
White, Pink
Bloom Time
Early Summer, Mid Summer, Late Summer

Native Range

  • USA:  California, Nevada

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.

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