Updated:24 October 2026
Rank 1-19 of the best Lawn Fertilisers With Weed Killers
Our recommendation Price Customer rating
1. Comparison winner
Elixir Gardens 4-in-1 Lawn Weed, Feed & Moss Killer, 20 kg
Elixir Gardens 4-in-1 Lawn Weed, Feed & Moss Killer, 20 kg
Available immediately
free shipping
  • One 20 kg bag covers up to 640 m² when applied at 32 g per m²
  • Controls moss and broad-leaved weeds, including dandelions, daisies and plantains
  • Provides fertiliser for lawns
Our rating
9,8
very good
2. Best value
A1 Lawn Feed, Weed & Moss Killer 10kg
A1 Lawn Feed, Weed & Moss Killer 10kg
Available immediately
free shipping
  • suitable for use from March to October
  • covers a broad spectrum of weeds and moss
  • provides essential nutrients for lush green growth
Our rating
9,6
very good
3. Bestseller
Westland 500m² Lawn Feed and Moss Killer
Westland 500m² Lawn Feed and Moss Killer
Available immediately
free shipping
  • covers up to 500 square metres
  • kills moss and eradicates weeds while stimulating grass growth
  • nourishes lawn with nutrients for healthy growth
Our rating
9,6
very good
100+ purchases last month
Elixir Gardens Lawn Fertiliser & Mosskiller 20kg
Elixir Gardens Lawn Fertiliser & Mosskiller 20kg
Available immediately
free shipping
  • covers up to 625 square metres
  • controls a variety of broadleaved weeds and moss on lawns
  • functions as a fertiliser to nourish the lawn
Our rating
9,6
very good
ToughTurf Trio Lawn Feed, Weed and Moss Killer, 10 kg
ToughTurf Trio Lawn Feed, Weed and Moss Killer, 10 kg
Available immediately
free shipping
  • A 10 kg bag treats up to 300 m² of lawn
  • Iron helps kill moss, while herbicides control common weeds including daisies, dandelions, plantains and clover
  • Nitrogen supports turf growth and helps the lawn green up
Our rating
9,6
very good
GREENFORCE G60015 Lawn Treatment 4-in-1
GREENFORCE G60015 Lawn Treatment 4-in-1
Available immediately
free shipping
  • covers 750 square metres of lawn area
  • controls major weed types and kills moss effectively
  • enhances lawn greenness with quick-release fertiliser
Our rating
9,6
very good
Miracle-Gro Evergreen Lawn Food, 12.6 kg
Miracle-Gro Evergreen Lawn Food, 12.6 kg
Available immediately
free shipping
  • covers an area of 500 square metres
  • targets weeds and moss to maintain a tidy lawn
  • provides nutrients for a healthier lawn
Our rating
9,6
very good
Nutrigrow Professional 4-in-1 Lawn Fertiliser and Weed and Moss Killer, 625m² Pack
Nutrigrow Professional 4-in-1 Lawn Fertiliser and Weed and Moss Killer, 625m² Pack
Available immediately
free shipping
  • area suitability for lawns and sports turf
  • weed and moss control targets common lawn weeds such as daisy, plantain, dandelion and clover and kills moss to improve turf health
  • fertilisation function supplies iron to the grass via ferrous sulphate to support greener growth
Our rating
9,6
very good
Miracle-Gro Complete 4-in-1 Lawn Food, 360 m² Coverage
Miracle-Gro Complete 4-in-1 Lawn Food, 360 m² Coverage
Available immediately
free shipping
  • Kills common lawn weeds, including dandelions, white clover and plantain, and controls moss
  • Helps create a thicker, greener and healthier lawn
  • Apply to established lawns from April to September, once the frosts have passed
Our rating
9,6
very good
Jarder Weed and Feed Lawn Treatment, 6 kg
Jarder Weed and Feed Lawn Treatment, 6 kg
Available immediately
free shipping
  • Covers up to 180 m² of lawn with the two 3 kg packs
  • Kills weeds and moss in the lawn while leaving grass unharmed
  • Contains nitrogen, phosphorus, potassium and iron to support grass growth, colour and health
Our rating
9,6
very good
Miracle-Gro Evergreen Complete 4-in-1 Lawn Treatment
Miracle-Gro Evergreen Complete 4-in-1 Lawn Treatment
Available immediately
free shipping
  • coverage area for use in managing lawn health
  • effective for treating weeds and moss on lawns
  • applies throughout the growing season
Our rating
9,5
very good
Greenforce Lawn Feed Weed & Moss Killer
Greenforce Lawn Feed Weed & Moss Killer
Check delivery time
free shipping
  • covers approximately 400 square metres, about 1.5 tennis courts
  • kills weeds and controls moss regrowth
  • apply during growing season, avoiding drought conditions
Our rating
9,3
good
Grass Gains 3-in-1 Lawn Care Treatment, 80 m²
Grass Gains 3-in-1 Lawn Care Treatment, 80 m²
Available immediately
free shipping
  • Each bag treats up to 80 m² of lawn
  • Helps reduce moss build-up and suppress weed growth
  • Provides nutrients to support strong roots and thicker, greener grass
Our rating
9,1
good
Pro-Kleen 4-in-1 Weed and Feed Lawn Treatment with Moss Killer, 2.5 kg, covers up to 78 m2, apply May–August
Pro-Kleen 4-in-1 Weed and Feed Lawn Treatment with Moss Killer, 2.5 kg, covers up to 78 m2, apply May–August
Available immediately
free shipping
  • area coverage up to 78 square metres
  • weed and moss control that kills weeds and moss on the lawn
  • fertiliser function supplies nutrients with nitrogen, phosphorus and potassium plus iron to support greener growth and stronger roots
Our rating
9,1
good
Miracle-Gro EverGreen 4-in-1 Lawn Spreader
Miracle-Gro EverGreen 4-in-1 Lawn Spreader
Available immediately
free shipping
  • kills weeds and moss to improve lawn health
  • best applied during growing season
  • applies easily with spreader
Our rating
9,0
good
Miracle-Gro Complete 4-in-1 Lawn Food with Weed and Moss Control, 80 m² Coverage
Miracle-Gro Complete 4-in-1 Lawn Food with Weed and Moss Control, 80 m² Coverage
Available immediately
free shipping
  • For use on established lawns
  • Kills lawn weeds including dandelions, white clover and plantain, and controls moss
  • Feeds the lawn to support thicker, greener and healthier growth
Our rating
8,9
good
Greenforce P21028A Fertilizer and Weed Killer
Greenforce P21028A Fertilizer and Weed Killer
Available immediately
free shipping
  • covers lawn areas for effective treatment
  • controls weeds and moss in the lawn
  • fertilizes to promote green and healthy grass
Our rating
8,9
good
100+ purchases last month
Miracle-Gro Complete 4-in-1 Lawn Food, 80 m²
Miracle-Gro Complete 4-in-1 Lawn Food, 80 m²
Available immediately
free shipping
  • Kills lawn moss and common weeds, including dandelions, white clover and plantain
  • Encourages a thicker, greener and healthier lawn
  • Suitable for established lawns from April to September, after frosts have passed
Our rating
8,6
good
Westland Aftercut All-In-One Lawn Feed 80m² UK
Westland Aftercut All-In-One Lawn Feed 80m² UK
Available immediately
free shipping
  • Kills weeds, including their roots, and moss quickly
  • Greens the lawn within 7 days and helps create a stronger lawn
  • Use from May to August when weeds and moss are actively growing
Our rating
8,6
good

Similar Lawn Fertiliser With Weed Killer comparisons

Lawn Fertilisers With Weed Killers buying guide: How to choose the right product from the above Lawn Fertilisers With Weed Killers test or comparison

Understanding Lawn Fertiliser With Weed Killer: The Basics of Lawn Care

What is Lawn Fertiliser with Weed Killer?

Lawn fertiliser with weed killer is a product designed to nourish your grass while simultaneously eliminating unwanted weeds. Imagine your lawn as a high-maintenance garden that needs both food and protection; this combined solution simplifies your task by integrating two essential lawn care functions into one application. The fertiliser provides the nutrients required for healthy grass growth and colour, while the weed killer targets and controls pesky weeds that take nutrients and space away from your lawn.

Why It Matters for Your Garden

Understanding how often you need to fertilise and treat for weeds can dramatically change the health of your garden. Weeds can rob your lawn of nutrients and water, leaving you with patchy grass and unsightly brown spots. Using a combined product means fewer products to apply and manage, saving you time and effort while ensuring a lush, green lawn.

Key Benefits of Using Combined Fertiliser and Weed Killer

Efficiency and Time-Saving

Using a combined fertiliser and weed killer streamlines your lawn care routine. Instead of buying separate products and scheduling additional applications, one treatment can achieve both goals. This means you spend less time shopping, mixing, and applying, allowing you to enjoy your garden rather than just maintain it.

Cost-Effectiveness

Purchasing one product instead of two can also save you money in the long run. A combined product often offers the nutrients and weed controls needed at a lower overall cost than purchasing multiple specialised solutions. This makes it easier to budget for lawn care while still achieving great results.

Healthier Lawn Growth

These products are formulated to not only kill weeds but also promote healthy grass growth at the same time. By delivering essential nutrients directly to the grass, these combined products help your lawn recover faster and look more vibrant, providing a thicker, lusher appearance.

How to Choose the Right Lawn Fertiliser With Weed Killer for Your Garden

Know Your Grass Type

Different grass types require different nutrients. Before choosing a fertiliser with weed killer, it’s important to identify your grass type—whether it’s cool-season or warm-season grass. Each has unique needs that influence the ideal fertiliser mix. This understanding helps ensure you select a product that will suit your lawn’s specific requirements.

Check the NPK Ratio

The NPK ratio stands for nitrogen (N), phosphorus (P), and potassium (K), which are key nutrients in fertilisers. For establishing a healthy lawn, look for products that have a balanced ratio suited to your grass type. Higher nitrogen content supports lush growth, while phosphorus is crucial for root development, and potassium helps improve overall resilience.

Consider Your Location and Climate

Environmental factors also play a vital role in choosing the right fertiliser with weed killer. If you live in a region with heavy rainfall, you may need a product that is designed to withstand leaching. In contrast, arid areas may require something with a moisture-retaining formula. Always check the product specifications to ensure it’s suitable for your climate.

Application Tips: Getting the Most Out of Your Lawn Fertiliser With Weed Killer

Timing is Everything

To achieve the best results, timing your applications is critical. Apply fertiliser in the early spring, as this period encourages robust growth after winter dormancy. For weed killers, ensure you treat your lawn when the weeds are actively growing, typically in warmer months. This dual timing can significantly boost both fertilisation and weed control.

Follow Manufacturer Instructions

Every product comes with specific instructions for application rates and methods, which should be adhered to closely. Using the right amount ensures you’re not under-fertilising or over-applying weed killer, both of which can harm your grass.

Watering Post-Application

After applying your chosen product, it’s essential to water your lawn adequately. This helps the fertiliser penetrate the soil while activating the weed killer. Generally, a light watering after application is beneficial, but be careful not to let water run off, as this can wash away the product.

Top Recommendations: Our Favourite Lawn Fertiliser With Weed Killer Products

Selecting High-Quality Brands

When choosing a lawn fertiliser with weed killer, we recommend sticking to well-known brands renowned for their effectiveness. Look for products designed specifically for your lawn type and climate, and consider those that carry a granular form for controlled release. Granules are typically easy to spread and manage.

Optimising Your Choices

Our top picks often include formulations rich in nitrogen for those seeking vibrant growth, as well as products with a broad-spectrum weed killer for effective control of various unwanted plants. Check for customer reviews and preference ratings to gauge effectiveness before making your final decision. Each product’s formulation should align with your gardening needs to yield the best results.

Table of contents
  1. Understanding Lawn Fertiliser With Weed Killer: The Basics of Lawn Care
  2. Key Benefits of Using Combined Fertiliser and Weed Killer
  3. How to Choose the Right Lawn Fertiliser With Weed Killer for Your Garden
  4. Application Tips: Getting the Most Out of Your Lawn Fertiliser With Weed Killer
  5. Top Recommendations: Our Favourite Lawn Fertiliser With Weed Killer Products

Overview

1. Comparison winner
Elixir Gardens 4-in-1 Lawn Weed, Feed & Moss Killer, 20 kg
Our rating
9,8
very good
Elixir Gardens 4-in-1 Lawn Weed, Feed & Moss Killer, 20 kgAvailable immediately
2. Best value
A1 Lawn Feed, Weed & Moss Killer 10kg
Our rating
9,6
very good
A1 Lawn Feed, Weed & Moss Killer 10kgAvailable immediately
3. Bestseller
Westland 500m² Lawn Feed and Moss Killer
Our rating
9,6
very good
Westland 500m² Lawn Feed and Moss KillerAvailable immediately
Elixir Gardens Lawn Fertiliser & Mosskiller 20kg
Our rating
9,6
very good
Elixir Gardens Lawn Fertiliser & Mosskiller 20kgAvailable immediately
ToughTurf Trio Lawn Feed, Weed and Moss Killer, 10 kg
Our rating
9,6
very good
ToughTurf Trio Lawn Feed, Weed and Moss Killer, 10 kgAvailable immediately
GREENFORCE G60015 Lawn Treatment 4-in-1
Our rating
9,6
very good
GREENFORCE G60015 Lawn Treatment 4-in-1Available immediately
Miracle-Gro Evergreen Lawn Food, 12.6 kg
Our rating
9,6
very good
Miracle-Gro Evergreen Lawn Food, 12.6 kgAvailable immediately
Nutrigrow Professional 4-in-1 Lawn Fertiliser and Weed and Moss Killer, 625m² Pack
Our rating
9,6
very good
Nutrigrow Professional 4-in-1 Lawn Fertiliser and Weed and Moss Killer, 625m² PackAvailable immediately
Our product comparisons are:
Always up to date:
At most every 120 days, we update each category with new products and research developments in the top rankings. This ensures that our recommendations are always up to date
Neutral and independent:
Our tests and comparisons are objective and fact-based. Manufacturers have no influence on the ratings. We aim to provide greater transparency in the market, thereby promoting product quality.
Method-driven
In our tests & comparison tables, we only include products that meet our minimum standards. This ensures that you can find the perfect product for your needs from a wide selection.
Similar tests and comparisons - Weed Killers