10 Best Weed Killer in Canada

Last updated on 2025-06-07
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Best Choice
1
9.9
Exceptional
Save 9%
Fiesta Weed Killer
Neudorff
Fiesta Weed Killer
9% OffFree Shipping
9.9
Exceptional
Save 9%
Amazon Logo
Best Value
2
9.8
Exceptional
NEW Roundup Advanced Ready-to-Use with Wand Applicator | 5-L | Glyphosate-Free
Generic
NEW Roundup Advanced Ready-to-Use with Wand Applicator | 5-L | Glyphosate-Free
Free Shipping
Why We Love It
  • Effortless weed control application.
  • Fast acting, visible results.
  • Ideal for various locations.
Main Highlights
  • ❇️Roundup Advanced Ready-To-Use with wand Applicator lets you love your backyard again
  • ❇️Convenient wand Applicator makes it almost effortless to spot-treat undesirable weeds with no hand fatigue
  • ❇️Grass and weed control is easy to use and works fast
  • ❇️Use wherever you see actively growing weeds, such as along walkways, sidewalks, and driveways, and on and around patio spaces
  • ❇️Capacity: 5 L (1.3 US Gal)
  • ❇️Starts controlling broadleaf and grassy weeds in as few as 1 to 2 days
9.8
Exceptional
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3
9.7
Exceptional
Save 10%
Ready-to-Use Lawn Weed Control, with Wand Applicator, 4-L
Generic
Ready-to-Use Lawn Weed Control, with Wand Applicator, 4-L
10% OffFree Shipping
Why We Love It
  • Effective against various lawn weeds.
  • Preserves your grass health.
  • Perfect for larger areas.
Main Highlights
  • ✅ Controls over 50 different lawn weeds, including dandelions, plantains, clover, creeping charlie and ragweed
  • ✅ Won’t harm your grass
  • ✅ Convenient Pull ‘n Spray Applicator
  • ✅ Suitable for controlling weeds in large areas
  • ✅ 4 L (1.06 gallon) format is ideal for larger areas, and is an easy way to control lawn weeds
  • ✅ Covers 250 sq. m
9.7
Exceptional
Save 10%
Amazon Logo
4
9.5
Superb
2 Litre ORTHO KILLEX Lawn Weed Killer Concentrate, 2-Pack Bundle
Ortho Killex
2 Litre ORTHO KILLEX Lawn Weed Killer Concentrate, 2-Pack Bundle
Free Shipping
Why We Love It
  • Controls over 50 lawn weeds.
  • Safely protects your grass.
  • Perfect for large areas.
Main Highlights
  • 🟢 Controls over 50 different lawn weeds including dandelions, plantains, clover, creeping charlie and ragweed.
  • 🟢 Won’t harm your grass.
  • 🟢 Suitable for controlling weeds in large areas.
  • 🟢 2L Covers 1600 sq. m.
  • 🟢 Use with Scotts Dial ‘n Spray Multi-use Hose-end Sprayer.
9.5
Superb
Amazon Logo
5
9.3
Superb
Grass and Weed Control Spray – Ready-to-Use 5L Solution with Pump and Go Applicator for Fast-Acting Weed Management in Lawns and Gardens
Generic
Grass and Weed Control Spray – Ready-to-Use 5L Solution with Pump and Go Applicator for Fast-Acting Weed Management in Lawns and Gardens
Why We Love It
  • Effortlessly spot-treat weeds.
  • Fast and effective results.
  • Convenient for outdoor spaces.
Main Highlights
  • ❇️ Advanced Ready-To-Use with wand Applicator lets you love your backyard again
  • ❇️Convenient wand Applicator makes it almost effortless to spot-treat undesirable weeds with no hand fatigue
  • ❇️Grass and weed control is easy to use and works fast
  • ❇️Use wherever you see actively growing weeds, such as along walkways, sidewalks, and driveways, and on and around patio spaces
  • ❇️Capacity: 5 L (1.3 US Gal)
  • ❇️Starts controlling broadleaf and grassy weeds in as few as 1 to 2 days
9.3
Superb
Amazon Logo
6
9.1
Superb
Generic 2024 Scotts 4L Roundup W/Wand
Generic
Generic 2024 Scotts 4L Roundup W/Wand
Free Shipping
Why We Love It
  • Eliminates weeds to the root.
  • Visible results in 24 hours.
  • Rainproof after two hours.
Main Highlights
  • ✅ Controls Unwanted Weeds and Grass on Hard Surfaces and Landscapes: Say goodbye to pesky weeds and grass invading your hard surfaces and landscapes. Our 2024 ROUNDUP 4L effectively targets and eliminates unwanted vegetation, restoring the pristine look of your outdoor spaces with ease.
  • ✅ Kills to the Root: Don't just trim the surface—eradicate the problem from its core. Our potent formula penetrates deep into the roots of weeds and grass, ensuring complete elimination and preventing regrowth for long-lasting results you can count on.
  • ✅ Fast-Acting Formula—Results in 24 Hours: Time is of the essence, and with our fast-acting formula, you'll start seeing visible results in as little as 24 hours. Witness the swift transformation of your landscapes as our solution gets to work, swiftly tackling unwanted vegetation for a cleaner, more manicured appearance.
  • ✅ Rainproof in 2 Hours: Don't let a sudden downpour wash away your efforts. Our 2024 ROUNDUP 4L is rainproof just two hours after application, providing peace of mind even when the weather takes an unexpected turn. You can confidently apply our solution and trust that it will continue to work effectively, regardless of the forecast.
  • ✅ Applicator with Extended Reach—No Bending Required: Say goodbye to back-breaking work and uncomfortable bending. Our convenient applicator comes with an extended reach, allowing you to target weeds and grass with precision and ease, all without having to strain or stoop. With the wand applicator, maintaining your outdoor spaces has never been more effortless.
9.1
Superb
Amazon Logo
7
9.0
Superb
Weed Bgon Max Ready to Use Weed Control with Wand Applicator 4L
Generic
Weed Bgon Max Ready to Use Weed Control with Wand Applicator 4L
Free Shipping
9.0
Superb
Amazon Logo
8
8.9
Excellent
Grass and Weed Control Refill, 4-L No Wand Included
Generic
Grass and Weed Control Refill, 4-L No Wand Included
Why We Love It
  • Long-lasting and durable design.
  • Quick and easy transfer.
  • Rain-proof within 2 hours.
Main Highlights
  • ✅Get longer-term use out of your 5L or 4L Wand applicator
  • ✅Transferring the wand applicator directly to the Refill jug is easy
  • ✅Rain-proof in 2 hours
  • ✅Rain-proof in 2 hours
8.9
Excellent
Amazon Logo
9
8.9
Excellent
ORTHO KILLEX Lawn Weed Killer Concentrate, 1L
Killex
ORTHO KILLEX Lawn Weed Killer Concentrate, 1L
Free Shipping
Why We Love It
  • Maximized coverage formula.
  • Targets 50+ weeds.
  • Lawn-friendly solution.
Main Highlights
  • Ortho Killex Concentrated formula provides maximum coverage for more widespread weed infestations
  • Controls over 50 different lawn weeds including dandelions, plantains, clover, ground ivy (creeping Charlie) and ragweed
  • Won’t hurt your lawn!
  • Mix 6 mL per litre of water to treat 5 square metres (50 square feet).
  • Herbicide pour la pelouse, Wipe Out Weeds effectively!
8.9
Excellent
Amazon Logo
10
8.8
Excellent
Round Up with Wand 2L
Roundup
Round Up with Wand 2L
Free Shipping
Why We Love It
  • Controls various green growths.
  • Offers multiple spray options.
  • Delivers fast visible results.
Main Highlights
  • ✅ Controls virtually anything green and growing, including most annual and perennial grasses, broadleaf weeds and brush.
  • ✅ 2 L (33.81 oz.)
  • ✅ Use to edge lawns, control patio weeds, renovate lawn and garden spaces and control brush in hard-to-mow areas
  • ✅ Fast-acting formula
  • ✅ Active Ingredient: 7 g/L Glyphosate (present as isopropylamine salt).
  • ✅ Visible results in up to 24 hours
  • ✅ Choose between spray patterns: visible FastAct foam or streaming liquid.
8.8
Excellent
Amazon Logo

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We scanned 687 products

We reviewed these offers relevant to the Weed Killer within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Neudorff, Generic, Ortho Killex, Killex, Roundup, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.
For the best Weed Killer in the market, we considered we took a deep dive into 3436 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

  • The clear winner of our analysis is Fiesta Weed Killer. We love many things about this product by Neudorff. What sets it apart from the competition is Convenient large-size jug, Fast-acting rainproof formula, Odorless weed control.
  • The best value product for most shoppers and where user satisfaction is continuously the highest is NEW Roundup Advanced Ready-to-Use with Wand Applicator | 5-L | Glyphosate-Free by Generic based on online reviews by bloggers, experts and online shoppers.
  • The biggest bargain at the moment for Weed Killer and the best cost-to-value ratio is Ready-to-Use Lawn Weed Control, with Wand Applicator, 4-Lat Generic with a 10% discount.
  • Our list of the best Weed Killer is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.