5 Best Selective Weed Killers for Lawns in the UK: Keep Your Grass Green and Weed-Free!

Maintaining a lush, green lawn is a point of pride for many homeowners, but pesky weeds can quickly mar that beautiful landscape. In the UK, where lawns are a common feature, selecting the right weed killer that targets weeds without harming the grass is crucial. This article presents the 5 best weed killers available in the UK, ensuring your grass stays green and weed-free. Each product has been chosen for its effectiveness in controlling common broad-leaved weeds, ease of application, and safety for your lawn.

Key Takeaways

  • Selective weed killers are designed to target weeds without harming the grass, making them ideal for maintaining a healthy lawn.
  • Miracle-Gro EverGreen Complete 4 in 1 not only controls weeds and moss but also feeds your lawn for a lush appearance.
  • Doff Advanced Concentrated Weedkiller offers a powerful solution in a concentrated form, allowing for customization of application strength.
  • Roundup Ultra Tough Concentrate Weedkiller is known for tackling even the most stubborn weeds, ensuring a pristine lawn.
  • Westland Lawn Sand is a versatile product that provides weed control while also conditioning the soil for better grass growth.

1. Miracle-Gro EverGreen Complete 4 in 1 Lawn Food Weed & Moss Control

The Miracle-Gro EverGreen Complete 4 in 1 is a versatile lawn care solution designed to nourish your lawn while tackling unwanted weeds and moss. Its unique formula promotes a healthier, greener lawn, ensuring your grass stays vibrant throughout the seasons.

Key features include:

  • A 4-in-1 formula that feeds grass, kills weeds, controls moss, and improves soil quality.
  • Suitable for use from April to September for optimal results.
  • Easy application with a spreader for even coverage and best performance.

While the product is highly effective as a lawn feed and moss control, some users have reported it to be less potent against certain broadleaf weeds. It’s important to assess the type of weeds in your lawn to determine the suitability of this product.

For those seeking a comprehensive lawn care product, the Miracle-Gro EverGreen Complete 4 in 1 offers a convenient and effective solution. However, for lawns with a heavy weed load, additional weed control measures may be necessary.

2. Doff Advanced Concentrated Weedkiller 1L

The Doff Advanced Concentrated Weedkiller is a powerful solution for gardeners seeking to maintain a pristine lawn. This liquid concentrate is designed to tackle a wide range of weeds, ensuring your grass stays green and healthy.

  • Type: Liquid concentrate
  • Size: 1 liter
  • Formula: Systemic, nonselective


  • Fast-acting formula capable of withering a variety of weeds
  • Suitable for use on various surfaces beyond the lawn
  • One liter can make a significant quantity of weed killer
  • Can be applied with standard sprayers; waterproof once dried


  • Requires mixing before use

This weedkiller’s systemic action ensures that it not only affects the surface growth but also targets the roots, providing thorough control of both annual and deep-rooted perennial weeds. It’s important to apply it carefully, as its nonselective nature means it can affect any plants it comes into contact with.

When using Doff Advanced Concentrated Weedkiller, ensure that you mix it according to the instructions for the best results. Its versatility allows for application in various areas of your garden, not just the lawn.

3. Roundup Ultra Tough Concentrate Weedkiller

When it comes to tackling the most stubborn weeds in your lawn, Roundup Ultra Tough Concentrate Weedkiller stands out for its effectiveness. This systemic weedkiller is designed to kill tough weeds down to the roots, ensuring they don’t come back. Ideal for large areas, Roundup Ultra can be your go-to solution for a weed-free garden.

Roundup Ultra is not just powerful but also versatile. It can be used on various surfaces such as driveways, patios, and fences, making it a multipurpose ally in your fight against weeds.

The product comes in a liquid concentrate form, which can be easily diluted and applied with a standard sprayer. Once dried, it’s waterproof, providing lasting protection. However, it’s less effective on certain stubborn weed varieties, so it may require multiple applications for the best results.

Here’s a quick look at the product specs:

Type Size Formula
Liquid concentrate 32 ounces Nonselective

4. Weedol Lawn Weedkiller (Liquid Concentrate)

Weedol Lawn Weedkiller is a powerful liquid concentrate that’s designed to tackle weeds without harming your lawn. Its fast-acting formula can wither a variety of broadleaf or grassy weeds within hours of application, making it a popular choice for gardeners and homeowners alike.

The product is available in a 32-ounce size, which is capable of making over 8 gallons of ready-to-use weed killer. This makes it suitable for both small and large areas, ensuring you get the most out of each bottle. It’s also versatile enough to be used on driveways, patios, and around gardens, provided it’s applied with care to avoid desirable plants.

While the Weedol Lawn Weedkiller is generally easy to use, some users have reported issues with the sprayer clogging, which may require occasional maintenance. However, once applied and dried, the product is waterproof, offering lasting weed control.

Despite its effectiveness, it’s important to note that not all weeds respond the same way. For instance, while it can kill many weeds, tougher varieties like dandelions and sheep sorrel may only appear off-color before regaining strength. Therefore, it’s crucial to assess the type of weeds in your lawn and consider a repeat application if necessary.

5. Westland Lawn Sand 16kg 200m2

Westland Lawn Sand is a popular choice for gardeners seeking a moss-free lawn. Its unique formulation not only blackens moss but also enhances the greenness of your grass. Additionally, it’s known to aid in drainage, particularly beneficial for lawns on heavy soils.

  • Blackens moss effectively
  • Greens the lawn, promoting a vibrant appearance
  • Improves drainage, making it suitable for heavy soil conditions

Westland Lawn Sand is not just a moss control product; it’s a comprehensive lawn care solution that ensures your grass stays healthy and visually appealing.

For those dealing with persistent moss issues, Westland Lawn Sand offers a straightforward solution. Its 16kg coverage is ample for treating an area of up to 200m2, making it an efficient choice for both small and large lawns.

Frequently Asked Questions

What is the best weed killer that doesn’t kill grass in the UK?

Selective herbicides like Miracle-Gro EverGreen Complete 4 in 1 Lawn Food Weed & Moss Control are designed to target broadleaf weeds without harming the grass.

What kills lawn weeds but not the grass?

Products containing fluroxypyr, clopyralid, and MCPA are effective at controlling common broad leaved weeds in lawns while preserving the grass.

Will grass eventually choke out weeds?

Grass can outcompete weeds if it is healthy and dense. Proper lawn care, including fertilization and mowing, can help grass thrive and reduce weed growth.

What should I consider when choosing an organic weed killer?

When selecting an organic weed killer, consider its environmental impact, effectiveness, and whether it meets sustainability guidelines, avoiding harmful ingredients like glyphosate and 2,4D.

How can I maintain a lawn full of weeds without using chemicals?

Maintain your lawn by promoting soil and grass health through organic fertilization, annual aeration, reseeding, and adjusting your mowing routine to prevent and reduce weed growth.

What kills weeds permanently but not grass?

Selective herbicides can kill weeds permanently without harming the grass. Always check the label for specific weed targets and follow the application instructions carefully.


In the quest for a pristine lawn, the right selective weed killer can be a game-changer for UK gardeners. Throughout this article, we’ve explored a variety of options that promise to keep your grass green while banishing unwanted weeds. From the eco-friendly prowess of Green Gobbler Vinegar Weed & Grass Killer to the potent and precise action of Weedol® Lawn Weedkiller, there’s a solution for every type of lawn and weed issue. Remember to consider the health of your soil and grass when choosing a product, as a healthy lawn is your best defense against invasive weeds. With the right approach and the best selective weed killers at your disposal, a lush, weed-free lawn is well within reach.

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