Common Knotgrass
Description
- Popular name(s): Common Knotgrass, Common Knodweed, Doorweed, Birdweed, Pigweed
- Botanical name: Polygonum aviculare
- Family: Polygonaceae
- Origin: Asia, Europe, North America and as an introduced species in other regions
- Height: The lying to semi-erect growing stems are between 5 and 50 centimeters long
- USDA zone: 5 (-9.4 F/-23 °C)
Categories: White flowers | Wildflowers |
