Polygonum heterophyllum


Other common names:

Hogweed, Knotweed and Prostrate Knotweed.



An annual or perennial mat forming weed that grows year round. The weed is very distinct with its wiry branches that have alternate oblong to oval green leaves that are 5-12 mm long and white to pink flowers. The flowers develop in small clusters, flowering predominantly in autumn and spring. Wireweed has a strong deep taproot. Wireweed reproduces by seed which germinates between autumn to early summer.


Susceptible Turf:

Warm-and cool-season turfgrasses.


Control options:

  • Pesticides: See available tabs below for registered products. Use as per label instructions.
  • Integrated Pest Management (IPM): Use a combination of approaches listed on this page.
  • Cultural: Nil.
  • Mechanical: Nil.



Turf Finder or its developer accepts with no responsibility for any consequences whatsoever resulting from the use of any information or product(s) listed herein. Products are to be applied as per label instructions.

Control Options



Surefire Dicamba M


Yates Bindii & Clover Weedkiller Concentrate


Yates Buffalo Pro Weed 'n' Feed Hose-On


Yates Weed 'n' Feed Hose-On




Surefire Dicamba M