Weeds & Invasives

Common TansyThe City of Calgary and the Province of Alberta both have issued lists of plants considered harmful to the environment, categorized as prohibited noxious and noxious invasive weeds. 

We encourage you to familiarize yourself with these plants and eliminate them from your gardens.


Helpful websites we recommend:

City of Calgary - preventing & controlling weeds
City of Calgary - Invasive plant prevention and management
Alberta Invasive Species Council 


Common Tansy, tanacetun vulgare

                  Noxious weed