10 Best Weed Killer in The UK

Last updated on 28/05/2025
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Best Choice
1
9.9
Exceptional
Roundup Optima+ Total Weedkiller, Concentrate, 1 Litre
Roundup
Roundup Optima+ Total Weedkiller, Concentrate, 1 Litre
Why We Love It
  • Deep root weed annihilation.
  • Efficient for vast areas.
  • Environmentally conscious degradation.
Main Highlights
  • Super oncentrate formula killing weeds to the root
  • Ideal for treating large areas of weeds
  • Kills the roots so weeds don't come back
  • Children and pets need not be excluded from treated areas (once dry)
  • Degraded in the soil by micro organisms
  • Coverage of 810 m2
9.9
Exceptional
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Best Value
2
9.8
Exceptional
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
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
Why We Love It
  • Effective weed control.
  • Super concentrated formula.
  • Large coverage area.
Main Highlights
  • Quickly & effectively clears areas of weeds and unwanted vegetation.
  • Super concentrated 360 gram/litre Glyphosate formula. DILUTION REQUIRED. Kills & eliminates weeds at the root.
  • 2 litres treats up to 3332 sq. meters.
  • 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.
9.8
Exceptional
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3
9.7
Exceptional
Save 3%
Roundup Tough Weedkiller, Concenrate, Makes up to 100 Litres, 1 Litre
Roundup
Roundup Tough Weedkiller, Concenrate, Makes up to 100 Litres, 1 Litre
3% OffFree Shipping
Why We Love It
  • Potent root-targeting formula.
  • Large area application.
  • Prevents weed recurrence.
Main Highlights
  • Super concentrate formula for killing tough weeds to the root
  • Ideal for treating large areas of weeds
  • Kills the roots so weeds don't come back
  • Children and pets need not be excluded from treated areas (once dry)
  • Degraded in soil by micro organisms
  • Coverage of 3000m2
9.7
Exceptional
Save 3%
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4
9.5
Superb
Roundup 119407 Fast Action Weedkiller Pump 'N Go Ready To Use Spray, 5 Litre
Roundup
Roundup 119407 Fast Action Weedkiller Pump 'N Go Ready To Use Spray, 5 Litre
Free Shipping
Why We Love It
  • Visible results quickly.
  • Effortless application.
  • Safe for families.
Main Highlights
  • Fast action ready to use weed killer that kills the weeds and roots with visible results in 1-2 days
  • Kills most garden weeds with a single application; up to 10 minutes of continuous spray when using 5 L option
  • Children and pets need not be excluded from treated areas (once dry)
  • The Pump N Go pressure sprayer is easily refillable, a one- touch trigger prevents hand fatique and extendable lance avoids bending.
  • Degraded in the soil by micro organisms
  • Leaves no harmful residues to allow replanting
  • Item does not comes with expiry date. Note - Date printed on the item is production date
9.5
Superb
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5
9.3
Superb
Agrigem GALLUP HOME & GARDEN WEED CONTROL HERBICIDE 2L | INDUSTRIAL STRENGTH GLYPHOSATE KILLER FOR EFFECTIVE OF ANNUAL PERENNIAL GRASS BROAD LEAVED WEEDS
Agrigem
Agrigem GALLUP HOME & GARDEN WEED CONTROL HERBICIDE 2L | INDUSTRIAL STRENGTH GLYPHOSATE KILLER FOR EFFECTIVE OF ANNUAL PERENNIAL GRASS BROAD LEAVED WEEDS
9.3
Superb
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6
9.1
Superb
Rootblast | Super Strength Concentrated Total Weed Killer - Glyphosate for Effective Weed Control - Kills Weeds down to the their roots (1 x 1L), Packaging May Vary
Rootblast
Rootblast | Super Strength Concentrated Total Weed Killer - Glyphosate for Effective Weed Control - Kills Weeds down to the their roots (1 x 1L), Packaging May Vary
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Why We Love It
  • Concentrated formula enhances potency.
  • Glyphosate targets stubborn weeds.
  • Root-level action ensures efficacy.
Main Highlights
  • CONCENTRATED FORMULA: Rootblast weed killer is a powerful solution that comes in a concentrated form, making it highly effective at killing weeds down to the roots.
  • SUPER STRENGTH GLYPHOSATE: With a high concentration of glyphosate, Rootblast provides effective control over a wide range of weeds, including tough-to-kill perennial weeds.
  • KILLS WEEDS AT THE ROOT: Unlike other weed killers that only target the leaves of weeds, Rootblast penetrates deep into the soil to kill weeds at the root, preventing them from growing back.
  • EASY TO USE: Simply dilute Rootblast with water according to the instructions and apply to the affected areas with a sprayer for quick and easy application.
  • LARGE COVERAGE AREA: One 1L bottle of Rootblast can cover up to 1,666 square meters of land, making it a cost-effective solution for large gardens and properties. Choose Rootblast for powerful weed control and a weed-free garden all year round.
9.1
Superb
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7
9.0
Superb
Enviro Works Weed Gone 2 x 5L Fast Acting Weedkiller (Ready to use) See results within 24 hours
Generic
Enviro Works Weed Gone 2 x 5L Fast Acting Weedkiller (Ready to use) See results within 24 hours
Why We Love It
  • Effective against weeds and moss.
  • Covers large areas efficiently.
  • Ready to use formulation.
Main Highlights
  • MAPP 20091 - A ready to use formulation containing 60 g/L Acetic Acid. To control weeds and moss on areas not intended to bear vegetation, unwanted vegetation.
  • Fast Acting Weedkiller suitable to use on paths, patios, driveways and more.
  • 1L of Weed Gone will cover up to 10 sqm.
  • Use Pesticides Safely. Read The Label.
9.0
Superb
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8
8.9
Excellent
Save 25%
Roundup Path Weedkiller 5 Litre Pump 'N Go Refill, Ready to Use
Roundup
Roundup Path Weedkiller 5 Litre Pump 'N Go Refill, Ready to Use
25% OffFree Shipping
Why We Love It
  • Visible results in two days.
  • Convenient and user-friendly sprayer.
  • Safe around children and pets.
Main Highlights
  • Systemic weed killer, killing the root so weeds do not come back
  • Fast Action, results visible in 1-2 days
  • Ideal for killing weeds on paths, patios and drives
  • Degraded into soil by micro organisms
  • Coverage of up to 150m2
8.9
Excellent
Save 25%
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9
8.9
Excellent
Save 27%
Roundup Ultra, Tough Weedkiller, Concentrate Liquid, 500 ml
Roundup
Roundup Ultra, Tough Weedkiller, Concentrate Liquid, 500 ml
27% Off
Why We Love It
  • Powerful formula eradicates stubborn weeds.
  • Ideal for extensive weed infestations.
  • Environmentally friendly, degraded by microorganisms.
Main Highlights
  • Super concentrated formula for killing tough weeds
  • Ideal for treating large areas of weeds
  • Systemic weed killer, kills tough weeds to the roots
  • Degraded in soil by micro organisms
  • Contains glyphosate
8.9
Excellent
Save 27%
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10
8.8
Excellent
Weedol Ultra Tough WeedKiller Liquid Concentrate, 6+2 Tubes
Weedol
Weedol Ultra Tough WeedKiller Liquid Concentrate, 6+2 Tubes
Free Shipping
Why We Love It
  • Efficient ground clearance solution.
  • Fast-acting, deep-root weed control.
  • Simple, mess-free application.
Main Highlights
  • Ideal for ground clearance on untidy overgrown areas. This includes sheds and greenhouses, along Fences, gravel areas, and other areas not intended for vegetation such as paths and drives.
  • Unique dual action fomulation, kills weeds to the root and acts fast
  • No measuring or mess - just add water
  • Kills brambles, nettles, thisles, docks and other deep-rooted weeds
  • Children and pets need not be excluded from treated areas (once dry)
  • Controls weeds around the base of roses, ornamental shrubs, trees and under hedges as well as on gravel areas, paths and drives
8.8
Excellent
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