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5 Best Roundup Advanced Weed Killers of 2025

Last Updated - 2025/09/27

1
Best Choice
11% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Neudorff
11% Off

Fiesta Weed Killer

Picked by 1014 people in the last week

Neudorff

CA$110.00

CA$124.90
(11% Off)

More Details
Main highlights
CA$110.00
CA$124.90 (11% Off)
2

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Ortho Killex

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

Ortho Killex

CA$63.75

CA$69.99
(8% Off)

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Main highlights
- 🟢 Won’t harm your grass.
- 🟢 Use with Scotts Dial ‘n Spray Multi-use Hose-end Sprayer.
- 🟢 Suitable for controlling weeds in large areas.
- 🟢 Controls over 50 different lawn weeds including dandelions, plantains, clover, creeping charlie and ragweed.
- 🟢 2L Covers 1600 sq. m.
CA$63.75
CA$69.99 (8% Off)
3

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Generic

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

Generic

CA$49.99

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Main highlights
- ✅ Plant-Based Herbicidal Soap: Uses natural fatty acids to dehydrate and control weeds.
- ✅ Non-Selective Control: Kills all vegetation on contact—ideal for hardscape and perimeter use.
- ✅ Ideal for Spot and Perimeter Treatments: Use around driveways, fence lines, patios, and sidewalks.
- ✅ Fast-Acting Results: Visible signs of wilting typically appear within hours.
- ✅ Eco-Conscious Option: Biodegradable, non-residual formula breaks down naturally in soil.
- ✅ Concentrated 1L Formula: Dilutes with water to treat large areas—cost-effective and efficient.
CA$49.99
4

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Generic

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

Generic

CA$59.99

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Main highlights
- ✅ Versatile Outdoor Use: Use on patios, walkways, driveways, gravel paths, and around fences.
- ✅ 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.
- ✅ Compatible with Sprayers: Works with most trigger, pump, and wand sprayers.
- ✅ 4L Refill Format: Designed to replenish existing sprayers—no mixing required.
CA$59.99
5
Best Value
19% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Generic
19% Off

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

Generic

CA$58.77

CA$73.43
(19% Off)

More Details
Main highlights
- ✅ Won’t harm your grass
- ✅ Suitable for controlling weeds in large areas
- ✅ Covers 250 sq. m
- ✅ Convenient Pull ‘n Spray Applicator
- ✅ Controls over 50 different lawn weeds, including dandelions, plantains, clover, creeping charlie and ragweed
- ✅ 4 L (1.06 gallon) format is ideal for larger areas, and is an easy way to control lawn weeds
CA$58.77
CA$73.43 (19% Off)

5 Best Roundup Advanced Weed Killers of 2025

Fiesta Weed Killer

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

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

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

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

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