Products

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Weed Killer Products for Canadian Lawns

Canada's go-to store for lawn weed control. At Lawn Supply, we carry proven weed control products, including Killex Concentrate trusted by Canadian homeowners. Finding the right product for your lawn doesn't have to be a challenge.

We stock Killex Concentrate 1L — a selective post-emergent weed control that controls over 50 broadleaf weeds like dandelions, clover, and creeping charlie without harming your grass and Roundup Concentrate 1L — a non-selective post-emergent weed killer for driveways, patios, sidewalks, and gravel areas where you want to clear all vegetation.

Dealing with dandelions? Read our guide: How to Kill Dandelion Weeds in Canada →

Got creeping charlie? Read: How to Get Rid of Creeping Charlie in Canada →


Shipping Across Canada

We ship Canada wide. Whether you have a small backyard or a large property, we have the right product in stock.

Not sure which weed killer to pick? Lawn Care Weed Control Products Canada 2026 →

Timing your application around rain is important. Learn more: How Long Does Killex Need Before Rain? →

Using a hose-end sprayer? How to Use Killex with the Scotts Dial N Spray →

Talk to Us


Not sure what to buy or how to use it? Call or email us and we will help you find the right product.

We reply to all emails within 48 hours. You can also browse our FAQ page → for quick answers.

Shop All Weed Killer Products →

Let customers speak for us

from 365 reviews

Very easy to order, if I can do it anyone can.

John MacDonald

Killex does a great job killing weeds on my lawn. I will continue to purchase this product. If there is ever any thought to developing a weed and feed product or just a fertilizer I would be interested. Thank you

John MacDonald
Killex Ready to Spray 1L - No Mixing Required

fast delivery

Anonymous

works fast

Diane McMahon
Killex Concentrate Lawn Weed Control 1L

This company is very quick sending your order!

William Evanson

Roundup kills all grass and weeds quickly. That’s all you need to know!

William Evanson
Roundup Concentrate 1L - Lawn Weed Killer Canada

Great service and very good product!

Alexander Korboukh

Excellent lawn helper!
Works very good and I would recommend it to everyone. I use it for many years.

Alexander Korboukh
Killex Concentrate Lawn Weed Control 1L

👍🏼

Anonymous

Kills everything

Peter Copland
Roundup Concentrate 1L - Lawn Weed Killer Canada

Controls the weeds other products dont come close to killing.

DAVE SMITH
Killex Concentrate Lawn Weed Control 1L

It worked great! Dandelions and thistles were my issue. But no longer. Thank you for a great Canadian yard!

Janet Wyatt
Killex Ready to Spray 1L - No Mixing Required

The service was excellent, no complaints

Frank Jonkman

Product works excellent and the service was the best

Frank Jonkman
Killex Concentrate Lawn Weed Control 1L

Shopping with you on Line is so easy, quick and fast. Never have had any issues with your company on accuracy of my orders. Highly recommend

Charles R Giles