10 Best Weed Killer in The UK

Last updated on 02/09/2025

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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 x 1 Litre Glyphosate Bottle. This is exactly the same 360g/l glyphosate formula and is produced by the same manufacturer as Elixir Gardens Glyphosate.

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

37% OffFree 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

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

4% Off

Why We Love It

Shows visible results quickly.
Pet and child friendly.
Allows replanting within a week.

Main Highlights

Refill for Fast Action Roundup Pump 'N Go ready to use weed killer
Go for up to 3 minutes of continuous spraying
Systemic weed killer that kills from the inside out
Kills the root so weeds don't come back
Results visible in 1-2 days

Elixir Gardens 1 Litre 360 g/l Glyphosate Commercial Industrial Strength Weed Killer | Treats up to 1666 sq.m | Concentrated Herbicide/Weedkiller

4% Off

Why We Love It

Effective weed clearance.
Highly concentrated formula.
Extensive 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.
One 1 Litre bottle treats up to 1666 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 1 Litre Gallup Glyphosate Bottle. This is exactly the same 360g/l glyphosate formula and is produced by the same manufacturer as Elixir Gardens Glyphosate.

Gallup Home & Garden Glyphosate Weedkiller 1L + Free GardenersDream Cup & Gloves

Free Shipping

Why We Love It

Ideal for home garden use.
Highly effective strong weedkiller.
Compatible with personal sprayers.

Main Highlights

STRONG FORMULA: Concentrated glyphosate-based weedkiller effectively controls annual and deep-rooted perennial weeds.
HOME USE: Can be used in your garden without a spraying certificate, with the same potency as professional formulas.
COMPATIBLE SPRAYERS: Designed for use with knapsack sprayers, simply dilute 30ml per litre of water.
USAGE GUIDANCE: Do not spray in rainy or windy conditions. Allow treated areas to fully dry before walking on them.

Ready-to-use, no mess application.
Eliminates over 175 common weeds.
Safe for kids and pets.

Main Highlights

Ready-to-Use Convenience – This high-performance weed killer comes pre-mixed for immediate use. Simply pour into a sprayer and apply—no dilution, no measuring, and no mess.
Kills 175+ Weeds – Powerful weed killer that eliminates common and tough weeds like dandelions, nettles, thistles, and bindweed.
Perfect for Patios, Paths & Driveways – Tackle weeds in those hard-to-reach cracks and surfaces with ease. Ideal for gravel areas, fence lines, block paving, and concrete edges.
Pet & Child Safe Once Dry – Enjoy a weed-free garden without compromising on family safety. Once dry, it’s 100% safe for kids and pets to enjoy your outdoor spaces again.
Huge 5L Coverage – Up to 50 Sq meter – Tackle large areas with confidence! Great for home gardens, professional landscaping, and commercial property maintenance.

Weedblast Rootkill Weedkiller 2 x 2.5 Litre, Glyphosate Weed Killer, Long Hose Trigger

5% Off

Why We Love It

Effective weed and root control.
Eco-friendly and biodegradable formula.
Versatile for garden and allotments.

Main Highlights

Kills weeds and roots - Ready to use spray, works against problematic weeds such as goutweed, field horsetail, moss and algae. A complete herbicide for both weeds and grasses, works down to the roots. First signs of control, a yellowing of the leaves, may take from a few days to 2-4 weeks to appear.
Biodegradable - Leaves no harmful residues to allow replanting within 7 days. Useful at low temperatures and biodegradable, low toxicity to bees.
Multi use - Suitable for use in gardens and on allotments, Spray plants and undersides of leaves until dripping wet. First signs of control, a yellowing of the leaves, may take from a few days to 2-4 weeks to appear.
Prevents regrowth - Long lasting effect against regrowth of tough weeds. For use on unwanted vegetation and areas not intended to bear vegetation. First signs of control, a yellowing of the leaves, may take from a few days to 2-4 weeks to appear.
MAPP 20049 - contains 7.2 g/L (0.72% w/w) glyphosate as a ready to use formulation

Elixir Gardens 4 Litre Deep Root Killing Glyphosate Weed Killer | 7.2g/l Herbicide & Weedkiller | Ready to Use Formula Supplied with Spray Head & Hose | 4L Bottle x 1

Why We Love It

Effortless spray application.
Powerful, ready-to-use formula.
Expansive coverage area.

Main Highlights

Effectively clears areas of weeds and unwanted vegetation. Supplied with a handy spray gun and hose attachment for easy application.
Ready-to-use 7.2 gram/litre Glyphosate formula. NO DILUTION REQUIRED. Kills & eliminates weeds at the root.
One 4 litre bottle treats up to 140 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.

Doff Advanced Concentrated Weedkiller - 10 Sachets for Dilution in Water for Garden Protection – Kills Deep Rooted Weeds from Pathways to Driveways - Long Lasting Weed Control – Strong Weed Killer

15% Off

Why We Love It

Effective against tough weeds.
Convenient ready-to-dilute format.
Expertly crafted in the UK.

Main Highlights

EFFECTIVE ADVANCED WEED KILLER – Tackle stubborn annual and deep-rooted perennial weeds with Doff Advanced Concentrated Weedkiller. Its systemic action ensures thorough treatment and dependable long-lasting protection, making it ideal for garden beds and borders
READY-TO-DILUTE CONVENIENCE – Save time with these pre-measured weed killer sachets requiring dilution in water. Mix in a spray bottle to make application quick and hassle-free. Apply directly from the bottle for fast and easy weed control where needed
ELIMINATE & PREVENT – The glyphosate-based weedkiller solution eliminates weeds such as grasses, docks and more, destroying them at the roots. Spray when weeds are actively growing, directly onto the leaf area to absorb the spray
VERSATILE & RELIABLE – Designed to combat tough weeds like nettles, willowherb and climbing ivy, it’s ideal for any garden space needing a fresh, weed-free finish. Each 80ml extra strong weed killer sachet diluted with 800ml water treats weeds in areas up to 32m². Available in 3, 6 and 10 pack
WEEDED IN EXCELLENCE – With decades of expert experience, Doff products are your go-to for weed control. Our quality-crafted solutions are proudly made in the UK, offering safe, effective weed management, helping your plants thrive while keeping unwanted growth at bay

Resolva Xpress Ready to Use Weedkiller 5L Power Pump Refill, Blue

4% Off

Why We Love It

Instant weed elimination.
Glyphosate-free formula.
Quick visible changes.

Main Highlights

Kills weeds by contact action
Glyphosate-free
Fast visible results
Perfect for refilling power pump or garden sprayers
Can be used all year round

8.8

Excellent

Save 4%

We scanned 1545 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 Elixir Gardens, Roundup, GardenersDream, JOVS, Weedblast, Doff, Resolva, 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 7726 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 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. We love many things about this product by Elixir Gardens. What sets it apart from the competition is Effective weed control, Super concentrated formula, Large coverage area.
The best value product for most shoppers and where user satisfaction is continuously the highest is Roundup 119407 Fast Action Weedkiller Pump 'N Go Ready To Use Spray, 5 Litre by Roundup 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 Roundup 119407 Fast Action Weedkiller Pump 'N Go Ready To Use Spray, 5 Litreat Roundup with a 37% 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 The UK

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We scanned 1545 products

We concluded that: