Best Autumn Lawn Fertilisers of 2025

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.

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 Miracle-Gro Lawn Food is designed for optimal lawn care throughout the year. You can apply it from September to November to help restore your lawn after the summer heat and to prepare it for the winter chill. In spring, from March to May, it aids in recovery from winter stress, making it essential for maintaining a healthy lawn. With its fast greening formula, you’ll notice results in just seven days, helping you achieve a vibrant lawn with ease.

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 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 Scotts Sportsmaster Fertiliser is ideal for preparing your lawn for the winter months. It helps ensure correct root growth, allowing your grass to thrive even in cold conditions. By hardening the turf, it makes your lawn more resilient to the wear and tear of winter weather. Using this product at the end of summer or during pre-stress conditioning can significantly enhance the health of your lawn, giving you a lush and vibrant outdoor space.

The Elixir Gardens Winter Fertiliser is designed to keep your lawn healthy during the colder months. It helps reduce plant stress while maintaining a vibrant green colour. The formulation includes 5% calcium and trace elements, which strengthen plant cell walls and enhance disease resistance against harsh winter conditions like strong winds and heavy rain. Additionally, this fertiliser features both quick and slow release nutrients, ensuring your lawn receives immediate and long-lasting benefits. You can apply it every 6-8 weeks for optimal results.

The Elixir Gardens Winter Fertiliser is designed to reduce plant stress while keeping your lawn a vibrant green. With 5% calcium and trace elements, it strengthens plant cell walls and enhances disease resistance during the colder months. This fertiliser protects your lawn from harsh winter conditions, including strong winds and heavy rain. It features both quick and slow-release nutrients, providing immediate and lasting effects, making it easy for you to maintain a healthy lawn throughout autumn and winter.

The Pro-Kleen Lawn Feed is designed as the first and last treatment for your lawn each year, optimally used in spring and autumn. This fertiliser promotes robust root development and plant strength, ensuring your grass remains healthy and vibrant. With a coverage of up to 667m2, it is easy to apply, requiring only a small amount for regular use. Boasting a high iron content, this feed supports lush, green grass, making it perfect for year-round application.