10 Best Weed Killer In Canada

Last updated on 08-02-2026

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Best Choice

9.9

Convenient large-size jug.
Fast-acting rainproof formula.
Odorless weed control.

Main Highlights

Fiesta Weed Killer

2 Litre ORTHO KILLEX Lawn Weed Killer Concentrate, 2-Pack Bundle

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.

Ready-to-Use Lawn Weed Control, with Wand Applicator, 4-L

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

Advanced Grass & Weed Control Ready2Use - PumpandGo, 5L, Jug

Why we love it

Ready to use immediately.
Controls weeds around gardens.
Leaves no harmful residue.

Main Highlights

🟧Ready 2 use
🟧Controls undesirable weeds and grasses in and around gardens, around buildings, sidewalks, driveways, patios and walkways.
🟧Acetic acid rapid burndown formula ensures visible results after spraying.
🟧Actively growing susceptible weeds controlled within 1-2 days.
🟧Leaves no harmful residue in the soil.
🟧Suitable for use in and around vegetable gardens and other edible plants

Pull N Spray 5L-Killex

14% Off

Why we love it

Effective on 50+ lawn weeds.
Ideal for large lawns.
Covers 2,690 sq ft area.

Main Highlights

Controls over 50 different lawn weeds including dandelions, plantains, clover, ground ivy (creeping Charlie) and ragweed
5L format is great for large lawns.
Maximum coverage area: 2,690 sq ft / 250 sq meters
Ready-to-Use sprayer is an easy and convenient way to treat weeds.

4L Grass & Weed Control Refill – Ready-to-Use Non-Selective Herbicide for Spot Treatment and Outdoor Hard Surfaces

Why we love it

Convenient 4L refill format.
Ready-to-use, no mixing needed.
Fast-acting results in hours.

Main Highlights

✅ 4L Refill Format: Designed to replenish existing sprayers—no mixing required.
✅ Ready-to-Use Formula: Pre-diluted and ready for immediate application.
✅ Non-Selective Herbicide: Kills all vegetation it contacts—ideal for hardscapes and garden edges.
✅ Fast-Acting Results: Visible control typically begins within hours.
✅ Versatile Outdoor Use: Use on patios, walkways, driveways, gravel paths, and around fences.
✅ Compatible with Sprayers: Works with most trigger, pump, and wand sprayers.

Ortho KILLEX Lawn Weed Killer Concentrate, 1L

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!

Round Up with Wand 2L

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.

Ortho KILLEX Lawn Weed Killer, 1L Ready-to-Spray

Main Highlights

ORTHO KILLEX Lawn Weed Killer, 1L Ready-to-Spray

Advanced Grass & Weed Control Concentrate, Soap, 1-L

Why we love it

Natural ingredients for weed control.
Cost-effective for large areas.
Fast results you can see.

Main Highlights

✅ Plant-Based Herbicidal Soap: Uses natural fatty acids to dehydrate and control weeds.
✅ Concentrated 1L Formula: Dilutes with water to treat large areas—cost-effective and efficient.
✅ Fast-Acting Results: Visible signs of wilting typically appear within hours.
✅ Non-Selective Control: Kills all vegetation on contact—ideal for hardscape and perimeter use.
✅ Eco-Conscious Option: Biodegradable, non-residual formula breaks down naturally in soil.
✅ Ideal for Spot and Perimeter Treatments: Use around driveways, fence lines, patios, and sidewalks.

8.8

Excellent

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, Ortho Killex, Generic, AALINAA, Killex, Roundup, VORAGA, 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 2 Litre ORTHO KILLEX Lawn Weed Killer Concentrate, 2-Pack Bundle by Ortho Killex 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 Pull N Spray 5L-Killexat AALINAA with a 14% 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.

10 Best Weed Killer In Canada

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We scanned 687 products

We concluded that: