Polygonum californicum
PlantsFamily: Polygonaceae · Genus: Polygonum
About
Polygonum californicum is a species of flowering plant in the buckwheat family known by the common name California knotweed. It is native to the west coast of the United States from Washington, Oregon, and northern and central California, in the Coast Ranges and Sierra Nevada foothills, as far south as Napa and Tulare Counties. It can be found in many types of open habitats.
Summary from Wikipedia
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Growing details and traits for Polygonum californicum in the Library.
No cultivars in the Library yet — the full profile above covers the species itself.