Polygonum aviculare

Common Knotgrass

Polygonum aviculare

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

Polygonum aviculare

Polygonum aviculare

Polygonum aviculare

Polygonum aviculare

Polygonum aviculare

Polygonum aviculare

Polygonum aviculare

Polygonum aviculare

Polygonum aviculare

Polygonum aviculare

Polygonum aviculare

Categories: White flowers | Wildflowers |

More species from the Polygonaceae family