Best Weed Killer Guide
Choosing the best weed killer isn’t about finding the strongest product it’s about selecting the right solution for the weeds you’re trying to control and the area you’re treating. From dandelions invading your lawn, to weeds growing through gravel, moss on patios or deep-rooted perennial weeds in garden borders, different problems require different weed control solutions.
Here at Elixir we’ve found from experience that using the correct weed killer can make the job significantly easier while reducing the need for repeated treatments. One of the biggest mistakes gardeners make is assuming that all weed killers work in the same way. In reality, different products are designed for different purposes. Â
A selective lawn weed killer like our Hytrol Selective Lawn Weedkiller Concentrate can remove common broadleaf weeds while leaving established grass unharmed when used correctly, whereas a total weed killer is designed to eliminate almost all vegetation and is better suited to areas such as patios, driveways, paths and gravel.Â
You’ll also need to consider whether a ready-to-use or a concentrated weed killer is the better option. Â
Ready-to-use products like our Hytrol Selective Lawn Weedkiller Ready-to-Use Solution offer convenience for occasional spot treatments, while concentrates are often more economical for larger gardens or regular maintenance.Â
 Some gardeners may also prefer a Glyphosate-free weedkiller, particularly for maintaining hard surfaces where an alternative active ingredient is preferred.Â
One thing we’ve noticed when helping customers is that many people buy a weed killer before identifying the weed or the area they’re treating. Spending a few minutes choosing the correct product almost always leads to better results and avoids unnecessary repeat applications.
The Quick Answer...
The best weed killer depends on where the weeds are growing and what you’re trying to achieve.
- For established lawns: Choose a selective lawn weed killer, such as Hytrol Selective Lawn Weedkiller Concentrate, to control common broadleaf weeds without harming established grass when used according to the product label
- For patios, driveways and gravel: A systemic glyphosate weed killer is generally the best choice where complete vegetation control is required
- For small jobs: A ready-to-use weed killer provides a convenient solution with no mixing required
- For larger gardens: A concentrated weed killer offers greater coverage and better value for regular maintenance
- For gardeners looking for a glyphosate-free option: Choose a dedicated Glyphosate-free weed and moss killer designed for hard surfaces
The most effective weed control comes from matching the product to the location, weed type and growing conditions, then applying it at the correct time and according to the manufacturer’s instructions.
In This Guide
Understanding these differences allows you to choose the right product from the outset, improving the effectiveness of your weed control programme while helping to protect surrounding plants, lawns and landscaped areas.
This guide explains everything you need to know before buying or applying a weed killer. We’ll compare the different types available, explain when each should be used, outline the advantages and limitations of each option, and recommend suitable products from the Elixir range to help you achieve reliable, long-lasting weed control.
By the end of this guide, you’ll understand:Â
- Which weed killer is best for your situation
- The difference between selective and total weed killers
- Whether you should choose a concentrate or a ready-to-use product
- When glyphosate-based and glyphosate-free products are most appropriate
- Which products are best for lawns, patios, driveways, gravel and garden borders
- How to avoid common mistakes that reduce weed killer effectiveness
- How to prevent weeds from returning after treatment
Whether you’re maintaining a small domestic garden or managing a larger outdoor space, over the years we have found that choosing the right weed killer is the first step towards achieving healthier lawns, cleaner hard surfaces and more effective long-term weed control.Â
Fast-Acting Weed & Moss Killer (Glyphosate-Free)
Best for
- Hard surfaces
- Patios
- Paths
- Moss
- Gardeners seeking a glyphosate-free option
Why choose this product?
If you’re looking for a Glyphosate-free solution, this product offers an alternative for controlling weeds and moss on hard surfaces.
It provides rapid knockdown of green growth when used according to the label and is particularly useful for maintaining patios, paving and stone paths.
Recommended when:
- You prefer a glyphosate-free product
- Moss is also a problem
- You’re maintaining decorative hard landscaping
Hytrol Selective Lawn Weedkiller Concentrate
Best for:Â
- Established lawns Â
- Dandelions Â
- White clover Â
- Daisy Â
- Buttercup Â
- Plantain Â
- Routine lawn maintenance Â
Why choose this product?Â
If your lawn contains broadleaf weeds but you want to keep the grass, we believe a selective lawn weed killer is the correct choice. Â
Hytrol is formulated to target many common broadleaf weeds while allowing established grass to continue growing when used according to the product instructions. This makes it ideal for homeowners looking to improve the appearance of their lawn without having to reseed the entire area.Â
Recommended when:Â
- Your lawn is otherwise healthy
- Broadleaf weeds are spreading
- You want to preserve existing grass
360g/l Glyphosate Weedkiller Concentrate
Best for:
- Patios Â
- Driveways Â
- Gravel Â
- Fence lines Â
- Large areas of unwanted vegetation Â
Why choose this product?Â
Where complete vegetation control is required, a systemic Glyphosate concentrate is often the better option. It works by being absorbed through the leaves and moving throughout the plant to help control both visible growth and the root system.Â
Because it affects most green plants, it should only be used where complete weed removal is the goal and care should be taken to avoid desirable plants.Â
Recommended when:Â
- Clearing hard surfacesÂ
- Preparing ground before landscaping
- Treating persistent perennial weeds in non-lawn areas
Ready-to-Use Glyphosate Weed Killer
Best for
- Small gardens
- Spot treatments
- Occasional maintenance
- Homeowners who prefer not to mix concentrates
Why choose this product?
Ready-to-use formulations like our Ready-to-use Glyphosate weedkiller are convenient and easy to apply straight from the container.
They are ideal for treating isolated weeds around paths, borders and gravel without the need for measuring or mixing.
Recommended when:
- You only have a few weeds to treat
- Convenience is your priority
- Storage space is limited
Ready-to-Use Hytrol Selective lawn Weed Killer
Best for:
- Small gardens
- Spot treatments
- Occasional maintenance
- Homeowners who prefer not to mix concentrates
Why choose this product?
Ready-to-use Hytrol is intended for spot treatment of broadleaf weeds growing within established lawns. It offers the convenience of a pre-mixed formulation while helping preserve surrounding grass when applied according to the label.
Recommended when:
- Weeds are growing within established grass
- Only a small lawn area needs treatment
- The customer does not want to measure or dilute concentrate
Gallup Home & Garden Glyphosate Weedkiller
Best for
- Large gardens
- Extensive weed control
- Regular maintenance programmes
Why choose this product?
For larger treatment areas, a concentrate such as Gallup can provide greater coverage and improved value.
It’s suitable where total vegetation control is required and is often chosen by gardeners managing larger properties or repeated weed growth.
Recommended when:
- Treating large areas
- Managing recurring weeds
- Looking for an economical concentrate
Summary
Choosing the best weed killer depends on where the weeds are growing, the type of weeds you need to control and what surrounding plants you want to keep.
There isn’t one treatment that’s suitable for every situation. Selective lawn weed killers such as Hytrol are designed to target broadleaf weeds within established lawns without killing the surrounding grass when used as directed, while glyphosate weed killers provide non-selective control for unwanted vegetation on suitable areas such as patios, driveways and gravel. Ready-to-use products can provide a convenient option for smaller or targeted treatments, while concentrated formulations are often better suited to larger areas. Glyphosate-free and fast-acting alternatives are also available for particular applications.
Frequently Asked Questions
What is the best weed killer for an established lawn?
For an established lawn, choose a selective lawn weed killer designed to target broadleaf weeds without killing the surrounding grass when used as directed. A product such as Hytrol Selective Lawn Weedkiller is a more appropriate choice than glyphosate, which can also kill grass.
What is the best weed killer for patios and driveways?
For weeds growing through patios, paving, driveways and gravel, a total weed killer may be more suitable. Glyphosate-based products can control unwanted vegetation by being absorbed through green foliage and moving through the plant. Always check that the chosen product is approved for your intended area and follow its label instructions.
What's the difference between selective and total weed killers?
A selective weed killer targets particular types of weeds while leaving certain desirable plants, such as established lawn grass, largely unaffected when used correctly. A total or non-selective weed killer can damage or kill most green plants it contacts, making correct application particularly important.
How long does weed killer take to work?
This depends on the active ingredient, weed species, weather and growing conditions. Some fast-acting treatments can produce visible symptoms relatively quickly, while systemic products such as glyphosate may take longer because the active ingredient needs time to move through the plant. Always use the timescale provided on the individual product label.
Can I use the same weed killer on my lawn and patio?
Not necessarily. A weed killer suitable for patios or driveways may also kill lawn grass, while a selective lawn weed killer is specifically formulated for weeds growing amongst established turf. Always choose a product according to where the weeds are growing and read the label before application.
Read More...
Use Weedkillers Safely
Always follow the product label and manufacturer’s instructions before use. Different weed killers have different application methods, timings and safety requirements, so reading the label carefully helps ensure effective results and safe application.Â
Wear Appropriate PPE
When handling concentrates or applying weed killers, wear suitable personal protective equipment (PPE) as recommended on the product label. This may include gloves, eye protection or protective clothing to minimise unnecessary exposure.
Application Rates
Applying more weed killer than recommended won’t improve performance and may increase the risk of damage to surrounding plants or the environment. Always measure accurately and apply at the recommended rate for the best results.
Rhys Nield
As one of our resident product experts, Rhys has spent the last 2 years helping keen gardeners and growers from within our customer services department. Remember to save this page, or visit the Advice Centre, for the latest tips, articles, and expert knowledge, to help you make your garden the best it can be.
1L 360g/l Glyphosate Weedkiller | Super Strength Root-Killing Concentrate
£20.83 £184.24Price range: £24.99£20.83 through £221.09£184.24 incl. VATex. VAT
4L Glyphosate Root-Killing Weed Killer with Spray Head Attachment | 7.2g/l Ready-to-Use Solution
£15.74 £146.88Price range: £18.89£15.74 through £176.25£146.88 incl. VATex. VAT
4L Hytrol Selective Lawn Weedkiller | Ready-to-Use Solution
£14.99 £139.99Price range: £17.99£14.99 through £167.99£139.99 incl. VATex. VAT
500ml Concentrate Hytrol Selective Lawn Weedkiller
Original price was: £16.49£13.74.£13.19£10.99Current price is: £13.19£10.99. incl. VATex. VAT
4L Fast-Acting Weed & Moss Killer | Glyphosate-Free Ready-to-Use Formula
£15.74 £158.13Price range: £18.89£15.74 through £189.75£158.13 incl. VATex. VAT
About Elixir Gardens Supplies
For over 35 years Elixir Garden Supplies have been providing gardeners with all the essentials they need to achieve growing.
Our online store makes sure that all our customers have access to the information they need to make the right decisions when choosing the products they need for their gardens. We know from experience that gardening means many different things to our customers. Whether you have a balcony, patio, lawn or allotment, Elixir Gardens are proud to supply both amateur and professional gardeners alike.
We regularly use our many years of experience to developed our exclusive formulations in specialist fertilisers. Many of these have stood the test of time and have become firm favourites with amateurs and professionals alike.  In fact our knowledge of fertilisers, feeds and garden care is well known within gardening circles. But don’t just take our word for it, why not check out the thousands of fantastic reviews on Trustpilot.
