Best Weed Killer Reviews UK
The Top Rated Options In 2019

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If you are looking for a review of all the best weed killers in the UK, you have found the right place.

We review all the latest and best weed killer options on the market, to give you peace of mind that you will be choosing the right product for your home.

Below, in the table, the weed killler reviews start with the most highly rated first, then descend accordingly. For people who are in a hurry, you can use the table. For people who want a more in-depth review, you can scroll further down the page, where we provide all the pro's and con's for each.

Best Weed Killers Reviews UK

Best Weed Killers Quick Comparison Chart

Editors Choice
Roundup Tough Weedkiller
Roundup Tough Weedkiller
Weight 1.4 kg
Dimensions 5.2 x 14.6 x 26 cm
Capacity 1000 ml
Resolva Xtra Tough Concentrated Weed Killer
Resolva Xtra Tough Weed Killer
Weight 1.6 kg
Dimensions 11 x 23 x 27 cm
Capacity 1000 ml
Lawn Fertiliser Weed Feed and Moss Killer
Proctors Lawn Fertilizer Weed Killer
Weight 20 kg
Dimensions 62 x 75.3 x 70 cm
Capacity 5 litres
Roundup Path Weedkiller
Roundup Path Weed killer
Weight 5.15 kg
Dimensions 16.2 x 24.2 x 31.7 cm
Capacity 5 litres
Weedol Rootkill Plus Weedkiller
Weedol Rootkill Plus Weedkiller
Weight 5.8 kg
Dimensions 12.8 x 26.5 x 30.2 cm
Capacity 5 litres

The 10 Best Weed Killers On The Market Reviewed

The Best Weed Killer - Roundup Tough Weedkiller

Weeds are very destructive and interfere with plantation and also change the appearance and reduce the value of crops around them. With the Roundup Tough weedkiller, you are sure to eliminate all the weeds because this is the strongest weed killer that destroys the weeds permanently since it works from the root. When sprayed, it is absorbed by leaves and freshly cut wooden surfaces that moves throughout the plant to make the process of weed removal permanent. Farmers can breathe a sigh of relief with this weed killer because of how tough it is on grasses and deep rooted perennial weeds.

The Roundup is the best weed killer to use because it is versatile, in that, it is used to kill both the soft weed plants in the gardens and very hard ones like the Ivy, Asparagus Fern, Wandering Trad, Blackberry, Lantana, and even a tree stump etc.

All the unwanted vegetation like trees and freshly cut tree stumps in and around your garden even those growing through the hard places like the patios, paths, tarmac, gravel and paving are eliminated with a single application. Use this weed killer to clean up all the areas that are prone to having weeds before planting your flowers or renovate the overgrown areas.

best weed killer

When applied on the weeds, after 48 hours, you will notice a yellow coloring on the leaves. That is to show that the mixture is working from the inside to kill the weeds down to the roots prevent them from growing back again. Within no time, the weeds are easily killed to retain the good looks of your garden. With its unique formulation combining two effective ingredients, you get efficient and fast results. This strong weedkiller provides great convenience because it comes readily mixed to use immediately.

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  • It is very fast and effective
  • It gets rid of almost all the unwanted vegetation
  • It is one of the more expensive options

Are you a farmer or gardener that is struggling to control tough and stubborn weeds? The Resolva Xtra Tough Concentrated Weed Killer is the perfect solution that comes at a reasonable price. This weed killer is very useful and powerful in killing weeds and roots and it also controls annual and deep-rooted perennial grass and broad-leaved weeds. You are aware how hard it is to get rid of weeds like the bracken, docks, common couch, cleavers, common Nettle, brambles, perennial sow thistle and many more that grow largely in an area in just a single treatment. With this weed killer, you get fast weed removal results even on the tough ones. This is because it contains glyphosate in the ingredients to have the strong and highly effective systematic action to kill the weed and the root.

To get effective results, choose a calm day to spray the concentrated root killer. This is because the weeds, on a calm day, grow actively and have a large area of absorbing the weed killing spray. You have to be very careful when choosing when to spray this weed killer to avoid wasting and re-treatment process.

For instance, when you during the rainy season and it rains within 6 hours of application, the treatment will be washed off and this reduces its effectiveness. You will have to apply more treatment to get rid of the weeds completely. For tougher weed plants, you are required to re-apply the treatment to prevent re-growing.

Resolva Xtra Tough Concentrated Weed Killer

It is worth noting that this is a very strong weed killer that requires a lot of attention to the area where you have to apply. You can use this systemic weed killer to eliminate the unwanted vegetation and in areas not intended to bear vegetation. Unless you want to remove the grass on the lawns, do not use this weed killer for grass in that area. Observe extra caution when spraying cultivated plants and other vegetation to avoid contact by spray. Also, you should be very careful so as not to breathe the spray or have it in contact with the skin because it is poisonous.

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  • It is very powerful and effective
  • It has unique IQ technology for great performance
  • It comes in an ergonomically designed bottle
  • It comes at a great price
  • It highly destroys all green plants when it comes in contact with them even the good plants

Being on the market for nearly 200 years, the Proctors firm is widely known for manufacturing products that help care for the garden. It is safe to say that it is the best weed killer UK because of its unbeaten performance. This weed, feed and moss killer is the perfect solution for your garden. Not only will it selectively kill the weeds in your farm, it will also feed your grass to produceverdone fields. Therefore, the fear of losing the grass on your lawn and fields when using this weed killer is a thing of the past because you end up getting even better results after using it. It is the best to use in getting rid of lawn weeds.

Unlike other products in the same range, the Proctors lawn weed killer uses micro-granular instead of the mini-granular content to maximize on the coverage area (measured per bag). This means that it is safe using the Proctors LFW+M. In addition, this lawn weedkiller has 4 times as many granules per square meter which makes it more effective on those tough weeds.

Lawn Fertiliser Weed Feed and Moss Killer

When you buy the 20kgXL sack of the best moss killer for lawns, you can have 285 square meters treated at once. 20kg sack vs small bags the latter is cheaper to purchase to treat small areas. Most people get this product since it offers more than we expect.

  • It treats the grass as it eliminates the unwanted vegetation for evergreen results
  • It is a selective weed killer
  • It provides great performance thanks to the micro-granular formula
  • The grass grows super-fast which requires to mow the lawn frequently

If you are tired of messy paths, driveways, patios, gravel areas and flowerbeds, the Roundup Path Weedkiller will end all your trouble. Most of the time you just want to make your path, drive, patio or even flowerbed as neat as it should be but the weeds are not giving you time of day. This is because you are probably using different or wrong methods to clear the weeds. But when you use this glyphosate weedkiller on the areas, you are sure to get excellent results. No matter how hard and tough the weeds are like the stubborn bramble, nettles, etc., this weed remover is your ideal choice.

This patio weed killer has fast action on all weeds. It comes ready to use, meaning there is no mixing of the liquid required. When it comes to annual and deep-rooted perennial weeds including grasses, dandelions, nettles, ground elder, docks, bindweed, vine and thistles, this Roundup path and drive weedkiller works by acting on the roots to prevent the weeds from growing back again. You can use it to clean up the ground that has weeds to prepare it for planting vegetables, flowers, bushes or trees. It can also be used to renovate the overgrown areas. Avoid using this root kill on the lawns because it clears everything unless you don’t want any plantation on the lawn.

Roundup Path Weedkiller

To get the best out of this Roundup Path Weedkiller 5-litre, start by treating established perennial weeds at the beginning of flowering. The effects of the weed killer will be seen in a matter of days or even weeks depending on the weather and the types weed treated. It is always ideal to leave the weeds for 7 days before cultivation happens to allow the weedkiller to act on the roots and destroy them. In case you see there is new growth, you can repeat the process. Also, the treated area should remain out of bounds until it has completely dried up.

  • It is effective
  • It comes at an affordable price
  • The sprayer tends to overspray the contents

Are you looking for a more convenient way to end the weed problem in your garden? The weedol is the best weedkiller with fast and effective results. It is annoying when you try getting rid of the weeds in your garden and within no time, the weeds grow back again. With this in mind, the weedol is here to eliminate this. It kills weeds down to the roots. Regardless of the size of the leaves on the weeds, this weed killer spray will rid the ground of the weeds fast thanks to the unique dual action formulation.

You get to use this rootkill to control weed growth rate all around the garden, paths, beds and borders, gravel areas, drives, along the fences and in so many other places you see weeds. It is known as a systemic weedkiller because it kills weeds from the inside out and penetrates through the leaves. When it has been absorbed in the plant, it travels all around it even to the tips of the roots. Lawn weeds UK and garden weeds UK thrive most in April all the way to November. This is the right time to apply the treatment so as to achieve great results.

Weedol Rootkill Plus Weedkiller

For continuous spray, the Weedol Rootkill Plus weedkiller is available as a battery operated power sprayer applicator to easily use. There is a wand that allows you to extend reach and optimum accuracy which enables one to use it in large areas and while at it, you don’t get tired. Also, you get to use the 1 litre Weedol gun on spot treatment to pay more attention to individual weeds or smaller areas.

  • It provides ease of use
  • It is effective
  • It has a narrow spraying nozzle which requires a long time to spray a bulk of weeds in a large garden

Say good bye to weed reappearing after using the Resolva 24 concentrated weed killer. This is because it has a combination of two weed killers namely, the Diquat and glyphosate to provide great performance. This unique IQ technology is the reason for the fast and efficient results you get when using this bramble killer. To add to it, the technology ensures that the effectiveness is not compromised when the concentrate mixes with hard water. You get to see the results within 24 hours of application. Which, unlike many weed killers on the market right now; this one will take the shortest time possible. This gives you the confidence that it is indeed working because you are able to see your efforts pay off.

The glyphosate in this weed killer sprayer is responsible for killing the weed down to the root area. By doing this, you are guaranteed of a clear patio or drive for a very long time because the weeds will not reappear. In addition, this also reduces the number of times you will have treat your garden for weeds. Before using this, you first have to mix it with water in the required ratio to make perfect dilution according to the instructions on the pack. After making the mixture, you can use a watering can or a weedkiller sprayer to do get the job done.

Resolva 24H Concentrated Weed Killer
  • It is fast acting
  • It kills the weed from the root
  • It utilizes the unique IQ technology for great performance
  • It is easy to use
  • Some consumers say that it takes a longer time to be effective

It is without doubt that the Roundup is the best glyphosate weed killer in UK right now. The Roundup fast action pump N go weedkiller comes in a 5l jerrycan with an electric pump that you start to use immediately. It is the kind that a professional will use to eliminate weeds causing harm to the surrounding. This weed killer utilizes the advanced technology to kill the weeds from the roots. As you know, when you eliminate the problem from the root, chances of them reappearing are very slim. Therefore, having a weedkiller that eliminates this problem is ideal for many gardeners and farmers.

Roundup Pump N go is a multi-purpose weedkiller that works on tough annual and deep rooted perennial weeds such as the grass, dandelions, docks, nettles, ground elder and thistles. With it, you get up to 10 minutes of continuous spraying which is convenient. In addition, there is an adjustable nozzle setting from the jet to spray and also the lance is extendable to reduce bending. The solution comes in a refill bottle. After you have sprayed and it comes into contact with the soil, it is inactivated at first, then it is broken down by the micro-organisms in the soil to allow replanting.

Roundup Fast Action Pump N Go Weedkiller
  • It is very easy to use
  • It covers a large area
  • It is effective
  • When inhaled, it can cause cancer of the lungs

For large areas that have a lot of weeded plants, the Resolva 24H power pump weed killer is the best solution to get. Controlling weeds in large farms and gardens can be a very difficult task and sometimes impossible to achieve. With this industrial weed killer, you are able to curb the weeding problem fast and effectively. It is ideal for use in controlling weeds like grasses, dock, nettles, dandelion, bindweed and many others that are tough. You get to see the results with this ready to use formulation in just 24 hours after application.

Are you tired of trying to get rid of weeds in the same area every time? Well, with this industrial strength weed killer, be sure that the weeds will be gone for a very long time. This is because it kills all the visible weeds and also, it kills from the inside to the root system of annual and deep-rooted perennial garden weeds. You are able to save a lot of time and money with it because you will have gotten a lasting solution. This formulation once it gets to the soil, it is broken down naturally to allow for replantation.

Resolva 24H Ready To Use Power Pump Weed Killer

The power pump provides 5 minutes of continuous controllable spraying. To get a wide area covered, there is an adjustable spray or jet trigger head that aids in the targeted application, as you are aware that this product needs total care when using and storing. Therefore, you need to replace the wand and its holder with the trigger facing upwards when storing. The pump handle should be pushed down and locked. Ensure the cap is turned anti-clockwise to release the pressure and the retighten before storage.

  • It comes ready to use
  • It can be used to cover a wider area
  • It produces fast and effective results
  • It has an ergonomic design for ease of use
  • It takes a longer time to see full results on taller and broad-leaved weeds

If you are yearning to complete the weed problem in your garden or farm, get this Weedol Ultra Tough Weed Killer Liquid Concentrate. Weedol is one of the best brands that manufacture land care products and it’s trusted. This weedol ultra tough weed killer is effective against annual and perennial weeds. Not only does it kill visible weeds, but it also kills the roots. On application, this liquid concentrated weed killer creates an invisible barrier so that new weeds will not come up for at least 3 months. Use this weedkiller on your driveway, patio or paths or even on any bush nearby.

The Weedol path clear weed killer tubes have a liquid concentrated that offers convenience and ease of use. You can use the premeasured tubes of residual weed killer for application through watering cans with hoses or pressure sprayers to treat waste grounds, drives, or gravel paths. There is no measuring required and this means that there is reduced mess. Simply add the liquid concentrate in the tube with 1 litre of water in a sprayer and mix thoroughly. For effective results, apply the path clear weedkiller between March and September. This is when the weather is a bit calm and the weeds are small and growing actively.

Weedol Ultra Tough Weed Killer

Just like many weedkillers, you need to observe extreme caution because they are harmful when consumed. Read the instructions carefully before use. It has biograde chemicals like glyphosate, and diflufenican which do not linger around in the soil any longer than needed. Do not store in galvanized or unlined mild steel sprayers or watering cans.

  • It is very effective especially on block paved drive and patios
  • It has a slow weed removal process

There are different ways of eliminating weeds and the most effective tool is the weed killers. Using the Barclay Gallup Home & garden glyphosate to get the job done is most ideal. This weed killer is stronger than ordinary weedkillers. It has strength to kill almost every plant only when applied to the leaves of the growing plant. This strongest weed killer that kills everything is works perfectly on garden weeds UK. Just like most professional grade herbicides, it contains 360g/l glyphosate that is responsible for controlling the weeds effectively. If you want to know how to kill grass, docks, nettles, willowherb, dandelion, bindweed etc, try this weed killer that kills the weeds in a single application.

Exhibiting a biograde chemical, the Barclay Gallup Home & Garden Glyphosate Commercial Strength Weed killer remains inactivated on contact with the soil. It is then broken down by soil organisms so as not to leave lasting residues. This way, the area will be ready for cultivation and re-plantation after 7 seven days of the treatment or, immediately the leaves of the weeds have died.

Barclay Gallup Home & Garden Glyphosate Weed killer

It is simple to use this industrial weed killer because it doesn’t require any knapsack certificate. You just have to dilute 24ml per 1 litre of water to treat an area of 40 sq/m. The best time to apply this weed killer is when the weeds are actively growing and have adequate leaf area to absorb the spray for better results.

  • It is effective
  • It comes at an affordable price
  • It only kills the weeds that are in the photosynthesis period
  • It doesn’t work well on moss based on most reviews on Amazon


Weeds can be very destructive because they take away most of the soil’s nutrients and also prevent the good crops from getting sunlight. For this reason, most people prefer getting rid of them in a more professional way such that the weeds will not be a bother for a long time. Weed killers are the best agricultural solution to maintaining the perfect lawn, garden, fence, or field. Only the best will eliminate weeds effectively as per your desires. The worlds best weed killer discussed on this review is the Roundup Tough Weedkiller. It has all great properties that enable fast and effective weed removal. Although it is more expensive than similar products in the same range, it is worth the cost because cheap can be very expensive.

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Weed Killers Buying Guide

The first factor that you need to put in mind when buying a weed killer is the type of weeds that you want to eliminate. As you know that there are different types of weeds and for this, you need to look at their appearances in order to determine which weed killer to use. Once you have identified the weeds, it will be easier to choose a weed killer that will get rid of them quickly and effectively.

The second thing to consider is how often the weeds re-appear after treatment. This will help you determine how strong you want your weed killer to be. If the outbreak in the garden is huge and keeps recurring, then there is need to get a heavy duty weed killer that eliminates the weeds permanently.

weed killer buying guide

 A stronger weed killer containing triclopyr will also be needed to get rid of tough weeds like white clover and brambles. And if the weed problem is rather small and contained, a less audacious solution will do the trick.

Two types of weed killers are available on the market today. There are the selective type and the non-selective weed killer. The former is ideal for use in areas where you have flowers and vegetables growing because this weed killer will only work to eliminate the weeds and leave out the valued crops. However, the non-selective will destroy the entire green plantation when applied. This type is the best lawn weedkiller to keep it looking good, free from weeds. Choose whether you want to clear everything or you want to selectively remove the weeds. Sodium chlorate weed killer was the common type of non-selective weed killer that was fast and effective but unfortunately it was banned by EC. This means that the sodium chlorate weedkiller, after the ban, was withdrawn from sale by suppliers and use.

Other factors to consider include the cost, how friendly the weedkillers are with pets and humans and also the reviews on the products all around the world.

The best don’t come cheap. You will have to dig deeper into your pockets to get them. However, there are others that come at great bargains and still perform effectively in clearing the weed problem in the garden.

Also, you don’t want your favorite pet getting affected when they touch the ground which the solution has been applied. Therefore you need to know which one is suitable.

weed killer buying guide

Weed Killers Buying FAQs

Q: What are some of the homemade remedy for weeds?

A: Vinegar is a popular homemade herbicide to use as it is a non-selective weed killer and works on the max to clear small weeds. Salt is also another homemade weed killer that can be used to eliminate the weeds as well as combat pests in your garden. Apply the sodium chloride powder on the soil and use a brush to keep it in place. It is the cheapest way to get rid of weeds.

Q: Can one use trisodium phosphate as a weed killer?

A: No. Trisodium phosphate is a very strong and dangerous chemical that is poisonous when you come into contact with it. Be it when you touch or inhale, it is harmful to crops and pets. Therefore, it is not recommended.

Q: What can one use to de-weed the garden in rainy seasons?

A: Since the most weedkillers are prone to getting washed off by rain once applied, there is the use of propane weed burner torch to kill the weeds. This is a de-weeding process that doesn’t involve use of chemicals and it is ideal for use in any season especially in the rainy season. You will remove weeds like a pro using it.

About the Author Harry Thompson

Hi, I'm the founding guy of Product Spy. Highly experienced in home and garden appliances through years of online research. I want to help everyone in the UK by streamlining their research when buying a new product. I will be putting the hours in researching to find the best products so you don't have to.