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Pesticide and herbicide spraying in your community

The City currently applies some herbicides to control dandelions and other broad leaf weeds. We have established thresholds to determine when to conduct treatments, based on type of site and frequency of use. All sites are assessed prior to treatment to ensure the number of weeds exceed our thresholds.

We apply herbicides more often to sport fields, as they have a high use and too many broad leaf weeds can cause safety issues for users and threaten the health of the turf. For other areas, we apply at a lower frequency, as they have a higher tolerance for weeds.

The City takes the health and well-being of citizens and green spaces seriously, so all herbicides and pesticides are carefully chosen and applied to be the least toxic to off-target plants and animals. Furthermore, all pesticides and herbicides are fully certified by both the federal and provincial governments.

Notification and application signs will be posted in the community before, during and after any necessary applications. Herbicide is not applied within 10 metres of a playground unless the entire area is closed to the public and school sites do not receive applications while students are in attendance. There are also a variety of pesticide-free parks in Calgary. 

We also use some alternative weed management techniques, including using goats to manage Canada thistle and different methods of dandelion control. We continue to explore new techniques throughout the year.

NOTE: applications are weather dependent and may not take place as scheduled.

Vegetation Management for the week of July 1, 2024
Community - Notable Park - Site Specific Location Community Code Quadrant Description of Work
Baker Park SCE NW Turf
Bowness BOW NW Invasive species
Community Park - Royal Elm DR & Royal Oak DR NW ROY NW Turf
Rocky Ridge ROC NW Invasive species
Queens Park Village QPK NW Turf
Capitol Hill  CAP NW Shrub Beds/ Sports Fields
Crescent Heights CRE NW Turf/Shrub Beds 
Mount Pleasant  MOP NW Shrub Beds/ Confederation Park
Westwinds WES NE Turf/Shrub Beds 
Mayland Heights  MAL NE Turf/Shrub Beds 
Marlborough Park MPK NE Shrub Beds/ Sports Fields
Ogden OGD SE Turf
Erlton/Stampede LRT Station MNI SE Turf
39th Avenue LRT Station MNI SE Turf
Chinook LRT Station MNI SE Turf
Franklin LRT Station (South Side) ALB SE Turf
Madigan Bus Loop PEN SE Turf
Ogden Bus Loop SHI SE Turf
Douglas Glen Park and Ride SHI SE Turf
Ralph Klein Park 12B001 SE Turf
Valleyview Park DOV SE Turf
Eliston Prk 09Q787 SE Turf
Civic Tree Nursery LEG SE Preparing area for tree planting.
McKenzie Towne Park and Ride MCT SE Turf
Deer Lane Bus Loop DRN SE Turf
Douglasdale Bus Loop DDG SE Turf
Canyon Meadows LRT Eastside Parking Lot LKP SE Hard Surface
Walden  WAL SE Turf
Chaparral  CHA SE Turf
Seton SET SE Turf
Midnapore - Fire Station #26 MID SE Turf/Shrub Beds 
Reader Rock Garden MNI SE Hard Surface
Shawnee Slopes-SHS003 SHS SW Turf
Haysboro - Fire Station #14 HAY SW Turf/Shrub Beds 
Cedarbrae - Fire Station #24 CED SW Turf/Shrub Beds 
Bridlewood - Fire Station #37 BRI SW Turf/Shrub Beds 
Somerset/Bridlewood LRT Station SOM SW Hard Surface
Shawnessy LRT Station SHN SW Hard Surface
Heritage Station HAY SW Hard Surface
Kingsland - Community Park KIN SW Turf
Southland Station, Anderson Station SOW SW Turf
Garrison Woods GAW SW Turf
Currie Barracks CUR SW Turf
South Glenmore Park GPK SW Invasive species
Mission-MIS006 MIS SW Turf
Optimist Park GDL SW Play fields and Shale
North Glenmore - Bus Loop NGM SW Turf
South Calgary - Fire Station #5 SOC SW Turf/Shrub Beds 
Rosscarrock - Fire Station #8 RCK SW Turf/Shrub Beds 
Garrison Green GAG SW Turf
Garrison Green - Fire Station #20 GAG SW Turf/Shrub Beds 
Coach Hill - Fire Station #29 COA SW Turf/Shrub Beds 
Signal Hill - Fire Station #33 SIG SW Turf/Shrub Beds 
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