Best Bag Lawn Fertilisers of 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
Top 10 Bag Lawn Fertilisers
Grow Chem Complete Lawn Fertiliser and Weed Killer
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.
Elixir Gardens Spring & Summer Lawn Food
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.
Elixir Gardens Spring & Summer Lawn Fertiliser
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.
Miracle-Gro Fast Green Lawn Food, 14 kg Bag
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.
Elixir Gardens Spring & Summer Lawn Fertiliser
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.
Growmore 7-7-7 All Round Fertiliser Granules
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.
Proctors Spring and Summer Lawn Food 20kg
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.
Elixir Gardens Complete Lawn Weed and Feed
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.
Landscaper Pro Slow Release Lawn Fertiliser
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.
Elixir Gardens Autumn Winter Sports Feed
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.
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.
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.

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.