Permitted Pesticides

What are Pesticides?

Pesticide refers to any substance that is designed to prevent, kill or repel unwanted organisms. It is a general term which also covers more specific terms such as:

  • Insecticides — for insects.
  • Herbicides — for plants.
  • Fungicides — for fungal diseases.

Why should I worry about using pesticides?

There are many risks associated with pesticide use.

  • Damage to human health, non-target plants, pets and other animals.
  • Pollutes water — streams, the ocean.
  • Contaminates soil and groundwater. 
  • Several types of cancer are linked to pesticide exposure.
  • Hormone disruption is also connected.

Young children are at greater risk. Why?

  • Undeveloped immune systems.
  • More permeable skin.
  • Their behavior — they play on the ground and put things in their mouths. 

What are some pesticides I can use?

  • Acetic acid — vinegar-based products like Path Clear.
  • Corn gluten meal — use this natural herbicide for turf weeds.
  • Methoprene — an insect growth regulator.
  • Botanically derived pesticides — pyrethrins and rotenone.
  • Insect bait stations and pheromones.
  • Insecticidal or herbicidal soaps.
  • Mineral oils.
  • Sulphurs, ferrous sulphate — moss killer.
  • Diatomaceous earth — silicon dioxide.
  • Biological pesticides — including Bacillus thuringiensis (Bt) and nematodes.
  • Sticky traps and other sticky insect barriers.
  • Borax or boric acid.
  • Aerosol sprays for wasps

You can see the full list of low-risk pesticides in Schedule A of the pesticide bylaw [PDF - 37 KB]

Are there other exceptions?

Yes. The bylaw does not apply if you’re managing certain pests.

Qualifying Pests

  • Transmit human diseases.
  • Have an impact on agriculture or forestry.
  • Are on or inside buildings.
  • Are on a parcel of land that is used solely for commercial, institutional or industrial purposes. Golf courses, for example.
  • Are on residential areas of farms. 

Which pesticides are prohibited??

You are restricted in the general use of traditional products containing synthetic chemicals. This includes many common products.

  • Glyphosate — Roundup, Sidekick and many more
  • 2,4-D — Weed n’ Feed, Killex etc.
  • Malathion
  • Carbaryl — Sevin
  • Diazinon
  • Mecoprop
  • Dicamba

Remember, the above example product names are only a sample of popular brands that are not on the permitted list. Please check the ingredients of your product for their chemical content.

How can I tell if a product I bought is okay under the bylaw?

You need to be sure that any active ingredient (or GUARANTEE) are on the list of permitted low-risk pesticides. If your active ingredient is NOT on the list, then you cannot use the product.

Pesticide Fact Sheet [PDF - 374 KB]