Best Autumn Lawn Fertilisers of 2026

A1 Lawn Fertiliser is designed specifically for the autumn and winter months, providing your grass with essential nutrients to keep it healthy and lush. Its high potassium content promotes strength and durability, ensuring your lawn withstands the colder weather. Additionally, the phosphorus aids in developing robust roots and shoots, while nitrogen enhances the greenness of your grass. With its moss-killing properties, this fertiliser not only keeps your lawn looking good but also simplifies spring maintenance by preparing your lawn for scarifying.

Miracle-Gro Autumn Care is designed to strengthen your lawn's roots, helping it withstand the harsh winter weather. By toughening the grass, you can enjoy a healthier lawn come spring. This product effectively kills moss within seven days, ensuring your lawn remains lush and green. Additionally, the added seaweed aids root establishment, making your grass even stronger against cold conditions. Remember to keep children and pets away from treated areas until fully dried for safety.

The Garden Lawncare Guy Fertiliser is a fast-acting solution designed to green up your lawn with essential nutrients like nitrogen, potassium, and magnesium. It is safe for gardens, allowing you to apply it without worrying about hazards for children or pets. This fertiliser feeds your grass for up to 90 days, ensuring a vibrant lawn throughout the autumn and winter months. Additionally, it prevents brown stains, keeping your patios and decking looking pristine.

The Elixir Gardens Lawn Fertiliser is designed specifically for the British climate, making it ideal for your garden. It contains 5.2% sulphur, which promotes overall grass health, and 2.6% magnesium, helping to harden turf during winter. This fertiliser reduces plant stress and supports healthy root development through the colder months. It also protects your plants from harsh winter conditions like strong winds and snow, ensuring your lawn stays vibrant and resilient.

The Garden Lawncare Guy Fertiliser is designed to green up your lawn effortlessly. It is packed with essential nutrients like nitrogen, potassium, phosphorus, and magnesium, ensuring your grass grows thicker and greener. Safety is a priority, as this lawn feed is non-toxic, making it suitable for gardens frequented by children and pets. With its fast and slow-release granules, this product feeds your grass for up to three months, providing a quick boost while ensuring continuous nourishment.

Pro-Kleen Lawn Feed is designed to prepare and protect your lawn during autumn and winter. It helps keep your grass strong and healthy, ensuring it withstands harsh weather conditions. The unique formula encourages vibrant grass green-up, transforming dull lawns into bright, lively spaces. Additionally, it aids in preventing lawn diseases, such as Red Thread Disease, giving you peace of mind. The small granules are low in visibility, helping maintain the aesthetic appeal of your lawn while you care for its health.

The Elixir Gardens Winter Fertiliser is designed for professional growers and garden enthusiasts alike, offering a blend that supports grass health through the colder months. It contains 5.2% sulphur, which helps improve the overall health of your lawn, and 2.6% magnesium to strengthen your turf against winter conditions and promote early growth. This fertiliser reduces plant stress and encourages healthy root development during autumn and winter. It also protects your plants from harsh weather like strong winds, heavy rain, ice, and snow, ensuring your lawn stays healthy all season.

The Pro-Kleen Autumn Lawn Feed helps prepare and protect your lawn for the colder months, making it strong and healthy through autumn and winter. It encourages your grass to green up, transforming dull patches into vibrant, lively turf. This product also helps prevent lawn diseases like Red Thread Disease, thanks to its special NPK formula with added magnesium. The small granules are discreetly sized to blend into your lawn, keeping it looking neat while you maintain its health with ease.

The Miracle-Gro Lawn Food is designed to strengthen roots and toughen your grass, helping it to withstand harsh winter weather. It effectively kills moss within seven days, allowing for a cleaner lawn by raking out the dead moss after two weeks. Additionally, the added seaweed promotes root establishment, making your grass more resilient in winter conditions. Remember to keep children and pets away from treated areas until the granules are thoroughly watered in and dried.

The F&G Autumn Lawn Feed is an ideal treatment for your lawn during the Autumn and Winter months. By using this fertiliser, you can ensure your lawn is healthier and more vibrant by summer. It has a balanced chemical composition of 3 - 10 - 5, providing essential nutrients. Covering an impressive 571 square metres, the application rate is just 35 square metres, making it easy to manage. Plus, it can be used throughout the year, offering convenience and flexibility for your lawn care routine.