Best Liquid Lawn Fertilisers of 2025

The Pro-Kleen Lawn Tonic is a concentrated liquid designed to enhance your lawn’s health and appearance. Rich in sulphate of iron and seaweed extract, it helps create a lush, green grass and a dense sward. Professionals across the UK trust this tonic for its effectiveness in turf hardening, ensuring your lawn is both beautiful and robust. Additionally, its formula aids in preventing lawn diseases, making it an ideal choice for maintaining a healthy garden.

The Miracle-Gro Fast Green is a convenient liquid lawn food designed to green your lawn within 24 hours under normal growing conditions. It comes ready to use, allowing you to easily apply it without any preparation. You can attach it to a hose, which means you can feed and water your lawn simultaneously, saving you time and effort. With coverage of up to 100 square metres, it's perfect for maintaining a lush and vibrant lawn with minimal hassle.

Miracle-Gro Lawn Food is designed to transform your garden into a lush, green paradise in just 24 hours. This concentrated liquid formula provides nutrients that sustain your lawn for up to six weeks, meaning less frequent applications for you. It's ideal for smaller urban gardens or those without a hosepipe, making it convenient for all households. You can apply it anytime from March to September, ensuring you can maintain a vibrant lawn throughout the growing season.

The Elixir Gardens Liquid Fertiliser is an excellent choice for both amateur and professional gardeners. This versatile fertiliser is ideal for feeding vegetables, ensuring that your exhibition carrots, celery, and pumpkins grow strong and healthy. It's also perfect for enhancing the blooms of chrysanthemums and other flowers, giving your garden vibrant colours. For roses, trees, and shrubs, using this fertiliser after dormancy will promote early growth, helping your plants thrive. Additionally, it supports new plantings, making it suitable for conifers, heathers, and bonsai during their first year.

The Greenkeeper's Secret Fertiliser is specially formulated to enhance the health and appearance of your lawn. With a liquid feed, you can expect noticeable results within just seven days when applied as a foliar spray. This product features a stress support system, which helps prevent damage from drought and excessive rainfall, ensuring your lawn thrives in varying conditions. Additionally, the improved hose-end sprayer allows you to cover up to 150m², making it convenient for larger areas.

ZOPPER Lawn Fertilizer offers year-round nourishment, ensuring your lawn remains lush and vibrant throughout the seasons. With rapid results in just seven days, you can quickly enjoy a healthier lawn. The formulation combats iron deficiency, preventing yellowing leaves and promoting a rich green appearance. Additionally, it is a micro-nutrient powerhouse, strengthening your lawn's natural defences and enhancing its overall resilience. This product makes lawn care effortless and effective.

The Miracle-Gro Lawn Food is designed to green your lawn within just 24 hours, making it an ideal choice for those who want quick results. It is safe for children and pets, allowing you to maintain a beautiful garden without worry. Applying this liquid concentrate is easy; simply use a watering can with the provided measuring cap. This product is perfect for smaller urban gardens or households without a hosepipe, and it can be used anytime from March to September for best results.

Miracle-Gro Mosskill is a liquid mosskiller and lawn feed designed to control moss while promoting healthy grass growth. You can expect a greener lawn in just three days, making it an ideal choice for quick results. It stimulates grass growth to fill in bare patches left by dead moss, ensuring your lawn looks lush and vibrant. Additionally, it is easy to apply, making it convenient for anyone looking to enhance their lawn's appearance. With coverage of up to 67 m², it is perfect for medium-sized gardens.

Seaweed Plus Bio-Stimulant is a liquid fertiliser designed to enhance your garden's health. It is derived from natural plant extracts, providing essential nutrients that promote greener and healthier lawns. You can safely apply it in areas where children and pets play, offering peace of mind. The application process is simple; just mix with water and use monthly, covering a large area with just one litre. Additionally, this product works well with other lawn care solutions, ensuring comprehensive management of your garden’s vitality.

The Green Machine Lawn Feed is a fast-acting liquid iron sulphate that helps your grass turn greener quickly. Covering up to 330m², it works effectively on any type of lawn, providing essential nutrients like nitrogen and manganese. You’ll appreciate how easy it is to use; simply mix it with water and apply. Plus, this lawn feed can be used all year round, ensuring your grass stays thick and healthy, even in colder temperatures.