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Using pesticides

Last updated February 7, 2022
RelatedTrees and GardensEcological Transition

Are you thinking about using pesticides? Please be aware that the sale and use of pesticides is regulated by law.

To protect the health of the population and preserve the environment and biodiversity, the city regulates the sale and use of pesticides. As of January 1, 2022, 36 molecules used in pesticides are banned in Montréal.

Fungicides
  • Benomyl
  • Captan
  • Chlorothalonil
  • Iprodione
  • Quintozene
  • Thiophanate-methyl
Herbicides
  • 2.4-D sodium salts
  • 2.4-D esters
  • 2.4-D acid forms
  • 2.4-D amine salts (all chemical forms)
  • Chlorthal dimethyl
  • Glyphosate
  • MPCA esters
  • MPCA amine salts
  • MPCA sodium or potassium salts
  • Mecroprop acid forms
  • Mecroprop amine salts
  • Mecroprop sodium or potassium salts
Insecticides
  • Acetamiprid
  • Carbaryl
  • Chlorpyrifos
  • Clothianidin
  • Dicofol
  • Dinotefuran
  • Imidaclopride
  • Malathion
  • Sulfoxaflor
  • Thiacloprid
  • Thiamethoxam
Rodenticides
  • Brodifacoum
  • Bromadiolone
  • Bromethaline
  • Chlorophacinone
  • Difethialone
  • Diphacinone
  • Phosphine

Residential use 

The by-law states that residents who use pesticides that contain these banned molecules may face fines. 

To protect your health and that of ecosystems, consider safer and more environmentally friendly alternatives. If your problem persists, you can use biopesticides, products made from microorganisms that come from natural sources. 

If you are using a professional horticulturist, lawn maintenance specialist or exterminator, make sure that individual or company holds a permit to use authorized pesticides.

Commercial use

Merchants

The city prohibits merchants from selling products containing these molecules. 

Commercial applicators

The use of pesticides, other than those prohibited in the by-law, is authorized for commercial use in the following cases:

  • Rats, field mice, mice, wasp or carpenter ant nests 
  • Any organism that is harmful to domestic bees and chickens.
  • Toxic plants (poison ivy, giant hogweed).
  • Any organism that poses a threat to the survival of trees (emerald ash borer, Asian long-horned beetle, Asian LDD moths (also known as Asian Gypsy moths), oak wilt)
  • On land that is used to operate a farm tree nursery or garden centre. 

Biopesticides or reduced risk pesticides listed in appendix 2 of the By-law concerning pesticide use may be used at any time.

Golf course operators may use any pesticide that is not a neonicotinoid.

Annual permit

An annual permit to use pesticides will be required for all professionals who use it in their work, such as farmers and golf course operators, exterminators, landscape artists, horticulturists, and people who work in ornamental horticulture and lawn maintenance. 

Permit may be revoked if conditions of use are not met.

Get a permit

Commercial applicators must also keep a record of each pesticide use.

Learn more about the topic

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How-tos

  • Get an annual permit to use pesticides commercially
  • Learn about maintenance regulations of private property

Tips and articles

  • A Pesticide-free lawn and garden

How-tos

  • Get an annual permit to use pesticides commercially
  • Learn about maintenance regulations of private property

Tips and articles

  • A Pesticide-free lawn and garden

How-tos

  • Get an annual permit to use pesticides commercially
  • Learn about maintenance regulations of private property

Tips and articles

  • A Pesticide-free lawn and garden

How-tos

  • Get an annual permit to use pesticides commercially
  • Learn about maintenance regulations of private property

Tips and articles

  • A Pesticide-free lawn and garden

How-tos

  • Get an annual permit to use pesticides commercially
  • Learn about maintenance regulations of private property

Tips and articles

  • A Pesticide-free lawn and garden

How-tos

  • Get an annual permit to use pesticides commercially
  • Learn about maintenance regulations of private property

Tips and articles

  • A Pesticide-free lawn and garden

How-tos

  • Get an annual permit to use pesticides commercially
  • Learn about maintenance regulations of private property

Tips and articles

  • A Pesticide-free lawn and garden

How-tos

  • Get an annual permit to use pesticides commercially
  • Learn about maintenance regulations of private property

Tips and articles

  • A Pesticide-free lawn and garden

How-tos

  • Get an annual permit to use pesticides commercially
  • Learn about maintenance regulations of private property

Tips and articles

  • A Pesticide-free lawn and garden

How-tos

  • Get an annual permit to use pesticides commercially
  • Learn about maintenance regulations of private property

Tips and articles

  • A Pesticide-free lawn and garden

How-tos

  • Get an annual permit to use pesticides commercially
  • Learn about maintenance regulations of private property

Tips and articles

  • A Pesticide-free lawn and garden

How-tos

  • Get an annual permit to use pesticides commercially
  • Learn about maintenance regulations of private property

Tips and articles

  • A Pesticide-free lawn and garden

How-tos

  • Get an annual permit to use pesticides commercially
  • Learn about maintenance regulations of private property

Tips and articles

  • A Pesticide-free lawn and garden

How-tos

  • Get an annual permit to use pesticides commercially
  • Learn about maintenance regulations of private property

Tips and articles

  • A Pesticide-free lawn and garden

How-tos

  • Get an annual permit to use pesticides commercially
  • Learn about maintenance regulations of private property

Tips and articles

  • A Pesticide-free lawn and garden

How-tos

  • Get an annual permit to use pesticides commercially
  • Learn about maintenance regulations of private property

Tips and articles

  • A Pesticide-free lawn and garden

How-tos

  • Get an annual permit to use pesticides commercially
  • Learn about maintenance regulations of private property

Tips and articles

  • A Pesticide-free lawn and garden

How-tos

  • Get an annual permit to use pesticides commercially
  • Learn about maintenance regulations of private property

Tips and articles

  • A Pesticide-free lawn and garden

How-tos

  • Get an annual permit to use pesticides commercially
  • Learn about maintenance regulations of private property

Tips and articles

  • A Pesticide-free lawn and garden

How-tos

  • Get an annual permit to use pesticides commercially
  • Learn about maintenance regulations of private property

Tips and articles

  • A Pesticide-free lawn and garden

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Boroughs

Ahuntsic-CartiervilleAnjouCôte-des-Neiges–Notre-Dame-de-GrâceLachineLaSalleLe Plateau-Mont-RoyalLe Sud-OuestL'Île-Bizard–Sainte-GenevièveMercier–Hochelaga-MaisonneuveMontréal-NordOutremontPierrefonds-RoxboroRivière-des-Prairies–Pointe-aux-TremblesRosemont–La Petite-PatrieSaint-LaurentSaint-LéonardVerdunVille-MarieVilleray–Saint-Michel–Parc-Extension
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Legislation

  • By-law concerning pesticide sales and use

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