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5 Best Weed Killers of 2025

Last Updated - 22/06/2025

1
Best Choice

✖
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.

Elixir Gardens

Elixir Gardens 360 g/l Glyphosate Commercial Industrial Strength Weed Killer | Treats up to 3332 sq.m | Concentrated Herbicide/Weedkiller | 2 x 1 Litre Bottle + Measuring Cup & Gloves

Picked by 3911 people in the last week

Elixir Gardens

£39.99

More Details
Main highlights
- Super concentrated 360 gram/litre Glyphosate formula. DILUTION REQUIRED. Kills & eliminates weeds at the root.
- Quickly & effectively clears areas of weeds and unwanted vegetation.
- Perfect for a range of hard surfaces such as patios, decking, aggregates and driveways.
- PLEASE NOTE: Depending on the type of weed and climate, please allow up to 7 days to see the effects of the treatment. Some weeds may take up to 4 weeks for the weedkiller to take effect.
- IMPORTANT STOCK UPDATE: Depending on current stock levels you may receive a 2 Litre Gallup Glyphosate Bottle. This is exactly the same 360g/l glyphosate formula and is produced by the same manufacturer as Elixir Gardens Glyphosate.
- 2 litres treats up to 3332 sq. meters.
£39.99
2
21% 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.

Roundup
21% Off

Roundup Ultra, Tough Weedkiller, Concentrate Liquid, 500 ml

Roundup

£36.34

£46.49
(21% Off)

More Details
Main highlights
- Systemic weed killer, kills tough weeds to the roots
- Super concentrated formula for killing tough weeds
- Ideal for treating large areas of weeds
- Degraded in soil by micro organisms
- Contains glyphosate
£36.34
£46.49 (21% Off)
3
Best Value
27% 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.

Roundup
27% Off

Roundup Fast Action Pump 'N Go Weed Killer 5L Refill, Clear, 112113

Roundup

£23.15

£31.99
(27% Off)

More Details
Main highlights
- Systemic weed killer that kills from the inside out
- Results visible in 1-2 days
- Refill for Fast Action Roundup Pump 'N Go ready to use weed killer
- Kills the root so weeds don't come back
- Go for up to 3 minutes of continuous spraying
£23.15
£31.99 (27% Off)
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.

Roundup

Roundup 119407 Fast Action Weedkiller Pump 'N Go Ready To Use Spray, 5 Litre

Roundup

£28.99

£29.80
(2% Off)

More Details
Main highlights
- The Pump N Go pressure sprayer is easily refillable, a one- touch trigger prevents hand fatique and extendable lance avoids bending.
- Leaves no harmful residues to allow replanting
- Kills most garden weeds with a single application; up to 10 minutes of continuous spray when using 5 L option
- Item does not comes with expiry date. Note - Date printed on the item is production date
- Fast action ready to use weed killer that kills the weeds and roots with visible results in 1-2 days
- Degraded in the soil by micro organisms
- Children and pets need not be excluded from treated areas (once dry)
£28.99
£29.80 (2% Off)
5

✖
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.

Agrigem

Agrigem GALLUP HOME & GARDEN WEED CONTROL HERBICIDE 2L | INDUSTRIAL STRENGTH GLYPHOSATE KILLER FOR EFFECTIVE OF ANNUAL PERENNIAL GRASS BROAD LEAVED WEEDS

Agrigem

£29.48

More Details
Main highlights
£29.48

5 Best Weed Killers of 2025

Elixir Gardens 360 g/l Glyphosate Commercial Industrial Strength Weed Killer | Treats up to 3332 sq.m | Concentrated Herbicide/Weedkiller | 2 x 1 Litre Bottle + Measuring Cup & Gloves

Roundup Ultra, Tough Weedkiller, Concentrate Liquid, 500 ml

Roundup Fast Action Pump 'N Go Weed Killer 5L Refill, Clear, 112113

Roundup 119407 Fast Action Weedkiller Pump 'N Go Ready To Use Spray, 5 Litre

Agrigem GALLUP HOME & GARDEN WEED CONTROL HERBICIDE 2L | INDUSTRIAL STRENGTH GLYPHOSATE KILLER FOR EFFECTIVE OF ANNUAL PERENNIAL GRASS BROAD LEAVED WEEDS

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