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 →

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 →

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

• Toll-Free: 1-866-764-6726
• Email: sales@Lawnsupply.ca

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

Shop All Weed Killer Products →