10 Best Grass Feed And Weed Killer For Lawns in The UK

Last updated on 08/08/2025

Advertising disclosure

Best Choice

9.9

Exceptional

Save 20%

Westland

Westland SafeLawn Child and Pet Friendly Natural Lawn Feed 400 m2, Green, 14 kg

20% Off

Why We Love It

Safe for children and pets.
Promotes lusher, thicker grass.
Covers expansive lawn areas.

Main Highlights

With SafeLawn children and pets need not be excluded from treated areas
The grass seed will germinate to fill gaps and help create a lusher, thicker lawn; as the grass becomes stronger it will start to outcompete weed and moss
Westland SafeLawn is an organic fertiliser with added lawn seed, made with only natural ingredients
This pack will cover 400 m2 (the equivalent of 40 car parking spaces)

Miracle-Gro Evergreen Complete 4-in-1 Lawn Food, Weed & Moss Control, 360 m2, Yellow

Why We Love It

Thicker, greener, healthier lawn guaranteed.
Kills weeds and moss effectively.
User-friendly and efficient.

Main Highlights

Creates a thicker, greener and healthier lawn whilst killing weeds and moss
Easy to use
Good product for use

Miracle-Gro Evergreen Complete 4 in 1 Lawn Food - 360 m2, 12.6 kg, Lawn Food, Weed & Moss Control

3% Off

Why We Love It

Promotes a thicker, healthier lawn.
Helps protect against drought stress.
Ensures even coverage application.

Main Highlights

Creates a thicker, greener and healthier lawn whilst killing weeds and moss
WaterSmart formula helps absorb water and nutrients more effectively, helping to protect your lawn against drought and stress
For ideal results, apply using an EverGreen or Scotts spreader to ensure even coverage
After applying this product in accordance with the label instructions keep children and pets away from treated areas until the granules have been watered in thoroughly and the areas have dried
Use from April to September

Miracle-Gro Evergreen Complete 4-in-1 Lawn Food - 200 m2, 7 kg, Lawn Food, Weed & Moss Control,

5% Off

Why We Love It

Promotes healthier, greener lawns.
Enhances water and nutrient absorption.
Guards against drought and stress.

Main Highlights

Creates a thicker, greener and healthier lawn whilst killing weeds and moss
WaterSmart formula helps absorb water and nutrients more effectively, helping to protect your lawn against drought and stress
For ideal results, apply using an EverGreen or Scotts spreader to ensure even coverage
After applying this product in accordance with the label instructions keep children and pets away from treated areas until the granules have been watered in thoroughly and the areas have dried
Use from April to September

EverGreen Complete 4-in-1 Lawn Care - 360m²

3% Off

Why We Love It

Boosts lawn health beautifully.
Weed and moss killer.
Easy, even application process.

Main Highlights

This extra strength EverGreen Complete 4-in-1 will help you produce a more beautiful lawn after just one simple application
Its unique 4-in-1 formula feeds and greens the grass kills weeds and moss plus it helps your lawn make the most of every drop of water that falls.
It is quick and easy to apply. Just walk up and down the lawn to spread the granules in an even pattern. If you have a larger lawn apply quickly and evenly through a wheeled spreader.
The unique Water Smart formula of EverGreen Complete builds strong roots to help protect your lawn against heat drought and other stresses.
Coverage: 360m²

Pro-Kleen 4 in 1 Weed and Feed Lawn Treatment with Moss Killer - Greens Grass, Kills Weeds & Moss & Fertilises Grass - Apply from May-August - Covers up to 312m2 - (4 x 2.5kg)

Why We Love It

Transforms lawn with ease.
Promotes healthy grass growth.
Efficiently kills various weeds.

Main Highlights

TRANSFORM YOUR LAWN WITH EASE: Pro-Kleen’s 4-in-1 Weed & Feed Lawn Treatment with Moss Killer has been designed to green grass, kill weeds, remove moss and fertilise your lawn! It does everything you need to get your lawn looking green, healthy and strong this spring and summer
NPK 10-2-2 +8 IRON: Our unqiue lawn treatment is designed using nitrogen, phosporous, potassium & iron. These key ingredients support healthy grass growth with nitrogen promoting greener grass, phosphorous making grass roots strong, potassium preventing lawn disease & iron which kills moss with ease!
CONTAINS 3 DIFFERENT TYPES OF WEED KILLER: Thanks to this grass fertiliser having three different types of weed killer in the formula, it will successfully and easily kill a wide variety of weeds, leaving your lawn weed-free ready for the warmer weather
COVERS UP TO 78M2: Pro-Kleen’s Weed and Feed’s 2.5kg tubs can cover up to 78m2! This provides outstanding value for money with each tub being able to cover a large area – perfect for larger lawns
APPLY BETWEEN MAY & AUGUST: Get the most out of your lawn in the spring and summer with this lawn feed. It can be applied between May & August to get your grass looking its best during the warmer weather. Apply by hand or by using a garden spreader

Miracle-Gro Complete 4-in-1 Lawn treatment, up to 80 m2, Yellow

20% Off

Why We Love It

Promotes a healthy, lush lawn.
Convenient and user-friendly.
Effective and reliable product.

Main Highlights

Creates a thicker, greener and healthier lawn whilst killing weeds and moss
Easy to use
Good product for use

Vitax Feed & Weed, Dual Purpose Lawn Feed And Weed Killer, Concentrated, Easy To Use, Kills Clover, Buttercup, Dandelion And Daisy, Promotes A Green And Healthy Lawn- Treats 200 Sq.M

5% Off

Why We Love It

Promotes a green, healthy lawn.
Rapidly enhances lawn's aesthetic appeal.
Eliminates weeds, boosts growth.

Main Highlights

EFFECTIVE WEED CONTROL: Vitax Feed and Weed is a combined lawn feed and selective weedkiller that targets common broad-leaved weeds like clovers, buttercups, dandelions, daisies, and plantains, leaving your lawn green and healthy.
PROMOTES GRASS GROWTH: Not only kills weeds, but also feeds to encourages grass regrowth to cover bare spots left by dead weeds, ensuring a lush and uniform lawn.
EXTENSIVE COVERAGE: A soluble concentrate that covers approximately 200m² of lawn per bottle, providing efficient treatment for larger areas.
OPTIMAL APPLICATION PERIOD: Apply using a watering can or sprayer from April to September when soil is moist and weeds are actively growing.
POST-TREATMENT CARE: After application, refrain from mowing the treated area for three days to allow full uptake by the weeds. Always use plant protection products safely and read the label thoroughly before use.

Miracle-Gro Evergreen Complete 4-in-1 Lawn Food - 200 m2, Lawn Food, Weed & Moss Control, Yellow

27% OffFree Shipping

Why We Love It

Boosts lawn health significantly.
Incredibly user-friendly.
Results worth every penny.

Main Highlights

Lawn Fertilizer
Easy to use
Good product for use

Greenforce G21086 Green Force Lawn Feed Weed Moss Killer 400m2 Fertilizer, Grey, 30.0 cm*21.0 cm*11.0 cm

Free Shipping

Why We Love It

Nurtures and beautifies lawns.
Eliminates weeds effectively.
Controls moss conveniently.

Main Highlights

Lawn Fertilizer
Kills Weeds
Kills & Controls Moss
400m2 Size, equivalent to 1.5 tennis courts
Lasts up to 6 weeks

8.8

Excellent

We scanned 1783 products

We reviewed these offers relevant to the Grass Feed And Weed Killer For Lawns 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 Westland, Miracle-Gro, Pro-Kleen, Vitax Ltd, Greenforce, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Grass Feed And Weed Killer For Lawns in the market, we considered we took a deep dive into 8916 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 Westland SafeLawn Child and Pet Friendly Natural Lawn Feed 400 m2, Green, 14 kg. We love many things about this product by Westland. What sets it apart from the competition is Safe for children and pets, Promotes lusher, thicker grass, Covers expansive lawn areas.
The best value product for most shoppers and where user satisfaction is continuously the highest is Miracle-Gro Evergreen Complete 4-in-1 Lawn Food, Weed & Moss Control, 360 m2, Yellow by Miracle-Gro based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Grass Feed And Weed Killer For Lawns and the best cost-to-value ratio is Miracle-Gro Evergreen Complete 4-in-1 Lawn Food - 200 m2, Lawn Food, Weed & Moss Control, Yellowat Miracle-Gro with a 27% discount.
Our list of the best Grass Feed And Weed Killer For Lawns 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 Grass Feed And Weed Killer For Lawns in The UK

Related Deals You Might Like for Grass Feed And Weed Killer For Lawns

Westland Aftercut AIO LFWMK 80m2+25% EF Box UK, Brown

Pro-Kleen 4 in 1 Weed and Feed Lawn Treatment with Moss Killer - Greens Grass, Kills Weeds & Moss & Fertilises Grass - Apply from May-August - Covers up to 78m2 - (2.5kg)

Westland Triple Care 80m2 Box, Brown

Westland Safelawn 80m2 Box

Grow Chem Complete Lawn Fertiliser (1KG Bucket) – Lawn Feed, Weed & Moss Killer - (Treats 32m Sq) - Stronger Turf & Greener Grass - All in One Lawn Treatment with Iron, Dicamba & Mecoprop-P

Miracle-Gro EverGreen Fast Green Spray & Feed, Liquid Lawn Food, 1 Litre

Weedol Lawn Weedkiller, ready to use, 1L

Aftercut 20400459 All In One Lawn Feed, Weed and Moss Killer Even-Flo Spreader, 80 m2, 2.56 kg, Natural

Vitax 5FW500 Green Up Lawn Care Feed & Weed Concentrate 500ML

Weedol Concentrated Lawn Weedkiller, Easy Mix Liquid, 500 ml, Nylon/A

We scanned 1783 products

We concluded that: