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Bylaws related to weeds

Maintaining the beauty of Calgary neighborhoods is a priority. Here are the regulations concerning weeds:

  • Private property owners are responsible for controlling weeds on their property and preventing their spread to other properties, including the area from their property line to the center of any street or alley.
  • Property owners must manage the growth of noxious weeds and eliminate any prohibited noxious weeds on their property.

Please note: Dandelions are no longer considered a noxious weed under the Weed Control Act. Bylaw Officers can issue a warning to property owners if the dandelions are over 15 cm in height.

Important links:

Bylaw violations

Fines for long grass and weeds are $500.

For violation of the weed legislation, Community Standards Peace Officers may issue Remedial Orders to property owners to take corrective action regarding weeds on their property. Non-compliance of an Order will result in the City taking corrective action and the property owner will be responsible for any costs incurred.

If necessary, a violation ticket requiring a court appearance may also be issued in accordance with the Weed Control Act.

A complete list of plants that are designated as prohibited noxious and noxious can be found in the Weed Control Regulation.

Preventing and controlling weeds

If you find an invasive plant, remove it and place it in the garbage. Do not place it in a composter, this just contributes to the seed spreading. More on how you can fight invasive plants.

The City of Calgary YardSmart provides guidelines for beautiful and healthy yards by using an environmentally friendly approach to yard, lawn and garden care.

Related bylaws

For more detailed information, please refer to the Weed Control Act S.A. 2008, c. W-5.1, the Weed Control Regulation and the Community Standards Bylaw which regulate weeds within Calgary.

Filing a complaint

If you know of a weed infraction and would like to report it, please call 311 (from within Calgary) or 403-268-CITY (2489) (from outside Calgary) or use the 311 app or: 

Submit a weed complaint


To help us respond faster, please be ready with the following information:

  • Your name and address
  • A primary and alternate phone number
  • The address and exact location of the property for which you wish to register a complaint
  • A brief and concise description of the complaint

This information will remain confidential. No anonymous complaints will be accepted - you must identify yourself with the 311 service representative.

When reporting on the 311 app, users are encouraged to add photos to assist the investigating officer.

Learn more about filing a bylaw complaint and the process.

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