Region of Waterloo General Inquiries

Contact Information for General Inquiries
150 Frederick St., Kitchener, Ontario N2G 4J3

Phone: 519-575-4400
TTY: 519-575-4608

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Weed Control

The Region has four Area Weed Inspectors responsible for acting on complaints from the public regarding noxious weeds. The inspectora have the authority to request that the property owner eradicate the weeds. Failure to do so may result in the weeds being destroyed and associated costs billed to the property owner.

Noxious weeds

Noxious weeds as defined in the Weed Control Act include:

  • Black-Seeded Proso Millet
  • Bull Thistle
  • Canada Thistle
  • Colt's Foot
  • Common Barberry
  • Cypress Spurge
  • Dodder
  • European Buckthorn
  • Giant Hogweed (added by Regional Council in Bylaw 08-024)
  • Goat's - Beard
  • Knapweed
  • Leafy Spurge
  • Nodding Thistle
  • Poison Hemlock
  • Poison Ivy
  • Ragweed
  • Russian Thistle
  • Scotch Thistle
  • Sow-Thistle (annual and perennial)
  • Tuberous Vetchling
  • Wild Carrot
  • Yellow Rocket

Note: Milkweed is no longer classified as a noxious weed. <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />

Only the weeds listed above are deemed to be "noxious." If you have concerns about weeds such as dandelions or unkempt properties, please contact the property standards section of your local municipality.

For a copy of the Weed Control Act, please go to the Province of Ontario website.