Best Powder Lawn Fertilisers of 2025

Pro-Kleen Iron Sulphate is a powerful lawn tonic that can transform your grass into a thicker, greener, and healthier lawn in just four days. This turf hardener keeps your grass strong and luscious all year round, providing the professional results that lawn keepers love. With a rich, long-lasting formula, it’s ideal for use on lawns, pitches, and golfing greens. Plus, it’s easy to use, covering up to 1000 square metres when diluted, making it a convenient choice for any gardener.

Pro-Kleen Iron Sulphate is a powerful 3-in-1 lawn product that enhances the health of your grass. Its iron-rich formula promotes strong growth and gives your lawn a vibrant dark green appearance. As a trusted choice among professionals, it ensures your lawn remains lush and resilient. This product also helps to acidify the soil slightly, improving overall soil quality. With easy application options, you can achieve effective results whether applying it wet or dry.

The GREEN GLEN Lawn Tonic is a powerful fertiliser designed to transform your lawn into a vibrant, green paradise. It is easy to use; simply dissolve the powder in water and apply it with a sprayer or watering can, making lawn care efficient. This versatile product is suitable for various applications, ensuring your grass remains healthy and green throughout the year. Additionally, it helps prevent lawn disease, providing long-lasting protection and enhancing the overall health and colour of your turf.

The PSN Iron Sulphate is a premium lawn tonic that enhances your garden's health and appearance. This versatile product is perfect for greening your lawn, providing essential iron for lush grass colour. It strengthens turf, making it more resilient against pests and harsh weather. Additionally, it reduces unsightly worm casts, keeping your lawn looking tidy. With its easy application, whether diluted in water or applied dry, maintaining a vibrant and healthy lawn becomes hassle-free.

GUARD-EN-FORCE Iron Sulphate is a versatile lawn conditioner that helps you achieve a lush, green lawn. Known for its effectiveness, this product can be used throughout the year, making it an essential part of your lawn care routine. It can be easily applied either wet or dry, giving you flexibility in how you maintain your lawn. Additionally, it promotes strong grass growth and enhances the dark green colour of your lawn, ensuring your garden looks its best.

GUARD-EN-FORCE Lawn Fertiliser is an exceptionally powerful, high-quality 3-in-1 formula designed to promote strong growth and vibrant, dark green grass. This easy-to-use fertiliser covers approximately 500 to 1000 square metres, allowing you to achieve lush lawns effortlessly. Whether applied wet or dry, it ensures your grass receives essential nutrients promptly. Additionally, it is trusted by both amateur and professional gardeners alike, making it a reliable choice for achieving perfect pitches and superior golfing greens.

GUARD-EN-FORCE Iron Sulphate is a highly effective lawn treatment that greets your grass with a lush green appearance. This versatile product can be easily applied all year round, either wet or dry, making it convenient for you to maintain your lawn. As a fast-acting fertiliser, it encourages robust grass growth and helps prevent lawn disease, ensuring your garden remains healthy. With its premium quality, fine powder, you can effortlessly create a solution that works wonders for your outdoor space.

The GUARD-EN-FORCE Iron Sulphate is a premium lawn fertiliser that promotes lush green grass and healthy growth. Iron Sulphate, also known as Ferrous Sulfate, is essential for treating lawns, especially in spring and autumn. It can be easily applied wet or dry, making it convenient for you to maintain your garden throughout the year. This fast-acting fertiliser encourages a dark green colour in your grass and helps prevent lawn diseases, ensuring your lawn remains vibrant and strong.