Stop Fighting Weeds That Keep Coming Back
Professional-strength herbicides that eliminate noxious weeds like broadleaf, poison ivy, thistle — or clear everything down to the root.
Still Fighting the Same Weeds Every Year?
Store-bought weed killer often falls short against deep-rooted broadleaf weeds and invasive growth. That means more time spent spraying, pulling, and re-treating — only to see the same weeds come back again.
Dandelions, thistle, poison ivy, chickweed, black medic, clover, plantain, and other stubborn weeds can quickly make a well-kept property look neglected.
You shouldn’t have to waste another season guessing which grass and weed killers will actually work. Canadian Lawn Co. helps you choose professional-strength options for tougher grass and weed control, so you can stop fighting the same problem over and over.
(Drag the middle bar Left or Right to see a Before-and-After comparison!)
Effective against common problem weeds, including:
Not sure what you need? Use Par 3 for lawns and Roundup for driveways and hard surfaces.

PAR lll
The go-to broad-spectrum herbicide for Canadian lawns, golf courses, parks, and sports fields.
TARGETS
- Dandelions
- Thistle
- Poison Ivy
- Chickweed

PAR lll 4L
The go-to broad-spectrum herbicide for Canadian lawns, golf courses, parks, and sports fields.
TARGETS
- Dandelions
- Thistle
- Poison Ivy
- Chickweed

PAR lll 10L + Roundup 10L
The go-to broad-spectrum herbicide for Canadian lawns, golf courses, parks, and sports fields.
TARGETS
- Dandelions
- Thistle
- Poison Ivy
- Chickweed

PAR lll 10L
The go-to broad-spectrum herbicide for Canadian lawns, golf courses, parks, and sports fields.
TARGETS
- Dandelions
- Thistle
- Poison Ivy
- Chickweed

Roundup Transorb HC 10L
Roundup Transorb kills all vegetation including grass, making it ideal for hard surfaces and unwanted vegetation.
BEST USES

Professional-Grade Weed Control for Property Owners
Many store-bought weed killers struggle with deep-rooted or invasive weeds. The products we offer are commercial-strength herbicides trusted by landscapers and property managers for reliable results.