Best Bag Lawn Fertilisers of 2025

Toby Butcher Avatar
Toby Butcher
Last Updated: 2 Feb 2025

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Bag lawn fertilisers are an essential tool for maintaining a healthy and lush lawn. These fertilisers come in a variety of formulations designed to meet the specific needs of your lawn, whether you have a cool-season or warm-season grass. They are typically sold in bags and can be applied using a spreader or by hand. Bag lawn fertilisers contain a balance of nutrients, such as nitrogen, phosphorus, and potassium, that help to promote healthy growth, improve colour, and increase resistance to pests and disease. With regular use, bag lawn fertilisers can help to keep your lawn looking its best year-round.

At a Glance: Our Top Picks

Grow Chem Complete Lawn Fertiliser and Weed Killer Cover #TOP 1
Grow Chem Complete Lawn Fertiliser and Weed Killer
ftb score rating icon 9.8
Elixir Gardens Spring & Summer Lawn Food Cover #TOP 2
Elixir Gardens Spring & Summer Lawn Food
ftb score rating icon 9.7
Elixir Gardens Spring & Summer Lawn Fertiliser Cover #TOP 3
Elixir Gardens Spring & Summer Lawn Fertiliser
ftb score rating icon 9.5

Top 10 Bag Lawn Fertilisers

#TOP 1

Grow Chem Complete Lawn Fertiliser and Weed Killer

CL-1
1.9kg Bag
Grow Chem Complete Lawn Fertiliser and Weed Killer Cover
Grow Chem Complete Lawn Fertiliser, 1.9Kg Bag (60 sq metres) Weed and Moss Killer, Mini Granules, NPK 12-2-4 All in One Lawn Treatment For All Types of Lawn/Turf. Resealable Bag

The Grow Chem Lawn Treatment is designed to nourish your lawn while providing essential nutrients for vibrant growth. Its easy-to-use formula not only feeds your lawn but also effectively combats weeds and moss, making lawn care hassle-free. With mini granules that break down quickly, you can expect fast nutrient uptake for healthier grass. Additionally, this product controls a wide range of weeds, ensuring your lawn remains lush and green without unwanted intruders.

What We Like
Easy to apply
Controls multiple weed types
Promotes healthy grass growth
Fast nutrient absorption

Elixir Gardens Spring & Summer Lawn Food

SS12-3-9BT
2.5KG
Elixir Gardens Spring & Summer Lawn Food Cover
Elixir Gardens Spring & Summer Lawn Food & Grass Fertiliser | Premium Granular Compound Turf Feed with added Iron + Magnesium Oxide | 2.5kg Bag Treats 100m²

The Elixir Gardens Lawn Food is a premium granular fertiliser designed to provide your lawn with essential nutrients for optimal growth. Its compound formula ensures even dispersal, promoting maximum coverage across your lawn. With a high nitrogen content, it encourages rapid grass growth, while moderate potassium levels help your lawn resist diseases and drought. Additionally, the 2% iron content assists in treating moss and preventing broad-leafed weeds, ensuring a healthier lawn overall.

What We Like
High nutrient dispersal
Encourages rapid grass growth
Resists diseases and drought
Helps treat moss effectively

Elixir Gardens Spring & Summer Lawn Fertiliser

NPK 12 - 3 - 9 + 0.5 Fe + 0.8 MgO
25kg
Elixir Gardens Spring & Summer Lawn Fertiliser Cover
Elixir Gardens Spring & Summer 9-7-7 | Treats 712 sq.m | Granular Lawn Fertiliser/Turf & Grass Feed/Food | 25kg Bag

The Elixir Gardens 9-7-7 Fertiliser is specifically formulated for spring and summer use, boasting a higher nitrogen content that promotes robust grass growth. With one 25kg bag covering up to 712 square metres, it offers great value for maintaining your garden lawn or larger areas like sports fields and horse paddocks. The granular form ensures easy application, allowing you to effortlessly nourish your lawn and enhance its appearance. Just be mindful that the appearance of the fertiliser may vary between batches.

What We Like
High nitrogen content for growth
Covers large areas efficiently
Granular form for easy application
Great value for money
#TOP 4

Miracle-Gro Fast Green Lawn Food, 14 kg Bag

119683
Green
400 sq m
Miracle-Gro Fast Green Lawn Food, 14 kg Bag Cover
Miracle-Gro Fast Green Lawn Food, 14 kg Bag Spreader - 400 sq m Coverage (Child and Pet Friendly), Extreme Green

Miracle-Gro Lawn Food is designed to help you achieve deeper greening in just three days, giving your lawn a lush appearance quickly. You can use it with confidence, as children and pets can safely roam the treated area without any worries. Each 7 kg bag covers up to 200 square metres, making it an efficient choice for larger spaces. For the best results, using it with an EverGreen or Scotts spreader ensures even distribution, which is key to a healthy lawn throughout the growing season from March to September.

What We Like
Rapid greening in 3 days
Safe for children and pets
Covers large areas efficiently
Works best with spreaders
#TOP 5

Elixir Gardens Spring & Summer Lawn Fertiliser

NPK 12 - 3 - 9 + 0.5 Fe + 0.8 MgO
Elixir Gardens Spring & Summer Lawn Fertiliser Cover
Elixir Gardens Seasonal Lawn Fertilisers for Turf & Grass | Spring & Summer 12-3-9 Bag | Granular Feed with added Iron & Magnesium | Treats 50 Sq. Meters

The Elixir Gardens Lawn Fertiliser is designed for spring and summer use, featuring a high Nitrogen content of 12-3-9 plus added Iron and Magnesium. This formulation promotes robust grass growth, ensuring your lawn looks lush and vibrant. With an application rate of just 25g to 50g per square metre, it is easy to apply by hand or with a conventional spreader. The micro-granular texture aids even distribution, making it convenient for you to achieve a healthy, green lawn.

What We Like
High Nitrogen for growth
Easy application method
Micro-granular for even spreading
Contains Iron and Magnesium
#TOP 6

Growmore 7-7-7 All Round Fertiliser Granules

GR-GF
5KG BAG
Growmore 7-7-7 All Round Fertiliser Granules Cover
Growmore General Purpose Fertiliser Granules (5Kg Resealable Bag) Growmore 7-7-7 All Round Fertiliser for Garden, Flowers, Fruit and Veg plants. Plant Feeding, Preparing Beds, Borders, Pots and Lawns

Growmore Fertiliser Granules provide a balanced mix of essential nutrients, ensuring your plants receive equal parts of nitrogen, phosphorus, and potassium. This traditional and long-lasting formula has been trusted by gardeners for decades, making it a reliable choice for your garden. You can apply it easily from February to October, enhancing your planting routine. Furthermore, it promotes robust root systems, resulting in abundant fruit and vegetables as well as vibrant flowers and shrubs.

What We Like
Fast nutrient uptake
Long-lasting formula
Easy application
Promotes strong root systems
Ideal for various plants
#TOP 7

Proctors Spring and Summer Lawn Food 20kg

ANICEMOON
Proctors Spring and Summer Lawn Food 20kg Cover
20kg bag of Proctors Spring and Summer Lawn Grass Food

The Proctors Lawn Food is a 20kg bag of Spring and Summer lawn fertiliser designed to nourish your grass effectively. With a chemical composition of 11-5-5, it provides essential nutrients for healthy growth. This product can cover an impressive 571 square metres of lawn, ensuring you have ample supply for larger areas. Additionally, it helps combat moss, promoting a lush and vibrant lawn. Using this fertiliser can lead to a greener and more robust garden.

What We Like
Large 20kg bag
Effective nutrient formula
Covers 571 square metres
Helps kill lawn moss
#TOP 8

Elixir Gardens Complete Lawn Weed and Feed

CL1022
10kg Bag
Elixir Gardens Complete Lawn Weed and Feed Cover
Elixir Gardens UK COMPLETE LAWN Weed, Feed & Mosskiller 10-2-2+8Fe | 4-in-1 Turf & Grass Fertiliser/Feed with Added Iron, Dicamba & Mecoprop-P | 320 Square Meters Coverage | 10kg Bag

The Elixir Gardens Complete Lawn is an effective 4-in-1 solution for your garden. It combines three powerful weedkillers, including Iron Sulphate, Dicamba, and Mecoprop, to tackle broadleaved weeds and moss, helping you maintain a healthy lawn. With a coverage of up to 625 square metres, it’s convenient for larger areas. The granular formula can be easily spread by hand or with conventional spreaders, making application simple and efficient. Partnered with a leading UK fertiliser manufacturer, you can trust that you are using a quality product for your garden.

What We Like
Effective against various weeds
Easy to spread by hand
High-quality formulation
Large coverage area

Landscaper Pro Slow Release Lawn Fertiliser

ICL_LANDSCAPER_PRO_SPRSUM_5KG
Landscaper Pro Slow Release Lawn Fertiliser Cover
Landscaper Pro Spring/Summer Slow Release Lawn Fertiliser | Fast acting Grass Feed, Quick Results| Long-Lasting Controlled Release Over 3 Months, 5kg Bag

The Landscaper Pro Fertiliser is designed for effective lawn care, offering a slow release formula that lasts up to three months per application. This means you can apply it and enjoy a lush lawn without frequent reapplication. Its fast acting formula delivers results within just seven days, allowing you to see immediate improvements. Perfect for spring and summer, this fertiliser keeps your lawn vibrant during the growing season. Additionally, it comes in a convenient 5kg bag, ensuring you have enough to cover your lawn easily.

What We Like
Long-lasting up to 3 months
Fast results in 7 days
Ideal for spring and summer
Includes premium lawn seed
Convenient 5kg packaging

Elixir Gardens Autumn Winter Sports Feed

N.P.K 3-15-15+5.2% S+2.6% Mg
Polythene Bag 1kg
Elixir Gardens Autumn Winter Sports Feed Cover
Elixir Gardens Autumn Winter Sports Field, Paddock and Lawn Feed Fertiliser | Treats 20sqm, Made for British Climate | 1kg-25kg in bag or tub | NPK 3-15-15 + 5.2% S | x 1kg bag

The Elixir Gardens Sports Feed is designed to support your lawn's health during the challenging autumn and winter months. With 5.2% sulphur and 2.6% magnesium, this fertiliser enhances overall grass vitality and helps strengthen turf against harsh weather. It effectively reduces plant stress and promotes robust root development, ensuring your lawn remains resilient. Additionally, its blend of quick and slow-release nutrients provides both immediate and long-lasting benefits, allowing you to apply it every 6-8 weeks for optimal results.

What We Like
Supports grass health in winter
Reduces plant stress
Encourages root development
Quick and slow-release nutrients
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What does 12/12/12 Mean on a fertilizer bag?

The Basics of Lawn Fertilizer they are the primary nutrients that feed your lawn and different brands provide varying amounts. So a bag of 12-12-12 will have 12 percent nitrogen, 12 percent phosphate, and 12 percent potassium, these are the major nutrients that your lawn needs.

2. When should I apply fertiliser to my lawn?

Fertilising is an essential part of lawn maintenance, encouraging growth and healthy grass all year long. We suggest doing it twice a year – once in the autumn months to protect it throughout the winter and once in spring to help boost the growth and carry you through the summer months.

Editor's Notes

During our bag lawn fertiliser research, we found 136 bag lawn fertiliser products and shortlisted 10 quality products. We collected and analyzed 24,699 customer reviews through our big data system to write the bag lawn fertilisers list. We found that most customers choose bag lawn fertilisers with an average price of £19.55.

The bag lawn fertilisers are available for purchase. We have researched hundreds of brands and picked the top brands of bag lawn fertilisers, including Grow Chem, Elixir Gardens, Miracle-Gro, F&G Supplies, GardenersDream. The seller of top 1 product has received honest feedback from 933 consumers with an average rating of 4.7.

Written by
Toby Butcher Avatar

Toby Butcher is a Horticulturist, and he earned his title as a Master Gardener in 2016. Toby has acquired a 25-year experience as a home gardener planting, designing, grooming vegetables and flowers. He is the leader of a plant group in Durham. Toby owns a blog where he publishes articles on growing and growing your flowers at home, in a vase, or in a garden.