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10 Best Organic Lawn Fertilizers 2025 in the UK

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Our Top Picks

#1

Winner

Miracle-Gro Evergreen Complete 4-in-1 Lawn Food, Weed & Moss Control, 360 m2, Yellow

Rating
10.0
Chosen by1,373
Application Method
Soil Health Benefits
Application Method
Easy to use, especially with a wheeled dispenser, although careful application is needed to avoid stripes.
Soil Health Benefits
Noticeable moss death within 4 days and a greener lawn in just 7 days.

The Miracle-Gro Evergreen Complete 4-in-1 Lawn Food is designed to create a thicker, greener, and healthier lawn while also controlling weeds and moss. It comes in granule form, making it easy to apply by hand.

This product is best suited for those looking to maintain a healthy lawn with minimal effort, as it combines fertilization and weed control in one. The dimensions and weight indicate it is a substantial product, providing good coverage for up to 360 square meters.

While its environmental impact is not explicitly mentioned, products from Miracle-Gro typically aim to balance effectiveness with environmental considerations. This product is ideal for those who want a straightforward, effective solution for lawn care that addresses multiple issues simultaneously.

Rating
10.0
Chosen by1,373
Application Method
Soil Health Benefits
Application Method
Easy to use, especially with a wheeled dispenser, although careful application is needed to avoid stripes.
Soil Health Benefits
Noticeable moss death within 4 days and a greener lawn in just 7 days.
#2

Miracle-Gro EverGreen Fast Green Spray & Feed, Liquid Lawn Food, 1 Litre

Rating
10.0
Application Method
Soil Health Benefits
Application Method
Attaches directly to a hose for effortless application, allowing you to water and feed your lawn simultaneously.
Soil Health Benefits
Delivers a noticeable improvement in lawn color and health within days, providing almost instant greening.

Miracle-Gro EverGreen Fast Green Spray & Feed is a liquid lawn fertilizer designed to quickly green your lawn within 24 hours under normal conditions. It’s very convenient to use because it attaches directly to a hose, allowing you to water and feed your lawn at the same time, covering up to 100 square meters with just 1 litre. This makes it a good option for those who want fast results and easy application without mixing powders or granules.

This product is a synthetic liquid feed, which may not provide long-term soil health benefits like organic fertilizers that improve soil quality over time. Synthetic fertilizers can sometimes contribute to runoff and pollution if overused. If you want a quick green-up for your lawn and ease of use, this product is helpful. However, if your priority is organic gardening or improving soil health naturally, you might want to consider other options that clearly state their organic ingredients and soil benefits.

Rating
10.0
Application Method
Soil Health Benefits
Application Method
Attaches directly to a hose for effortless application, allowing you to water and feed your lawn simultaneously.
Soil Health Benefits
Delivers a noticeable improvement in lawn color and health within days, providing almost instant greening.

Buying Guide for the Best Organic Lawn Fertilizers

Choosing the right organic lawn fertilizer is crucial for maintaining a healthy and vibrant lawn without harming the environment. Organic fertilizers are derived from natural sources and are designed to improve soil health and provide essential nutrients to your grass. When selecting an organic lawn fertilizer, it's important to consider the specific needs of your lawn, such as the type of grass, soil condition, and climate. Understanding the key specifications of organic fertilizers will help you make an informed decision that aligns with your lawn care goals.
N-P-K RatioThe N-P-K ratio represents the percentage of nitrogen (N), phosphorus (P), and potassium (K) in the fertilizer. These are the primary nutrients that plants need to grow. Nitrogen promotes lush, green growth; phosphorus supports root development; and potassium enhances overall plant health. The ratio is important because it helps you understand what your lawn needs. For example, a high nitrogen ratio is ideal for promoting green growth, while a balanced ratio is better for overall health. Choose a ratio based on your lawn's current condition and growth goals.
Source of NutrientsOrganic fertilizers can be made from various natural sources such as compost, manure, bone meal, or seaweed. The source of nutrients affects how quickly they are released into the soil and how they benefit your lawn. For instance, compost and manure release nutrients slowly, providing a steady supply over time, while seaweed can offer a quick boost. Consider the nutrient source based on how quickly you want to see results and the long-term health of your soil.
Application MethodOrganic fertilizers come in different forms, such as granules, liquids, or powders, each with its own application method. Granular fertilizers are easy to spread and provide a slow release of nutrients, making them ideal for long-term feeding. Liquid fertilizers are absorbed quickly and are great for a fast nutrient boost. Powders can be mixed with water for a customized application. Choose the application method that fits your lawn care routine and the specific needs of your grass.
Soil Health BenefitsOne of the advantages of organic fertilizers is their ability to improve soil health by increasing microbial activity and enhancing soil structure. This is important because healthy soil supports robust plant growth and resilience against pests and diseases. Look for fertilizers that specifically mention soil health benefits if you are aiming to improve the overall condition of your lawn's soil.
Environmental ImpactOrganic fertilizers are generally more environmentally friendly than synthetic options, but it's still important to consider their impact. Some organic fertilizers are made from renewable resources and have minimal processing, which reduces their carbon footprint. If environmental sustainability is a priority for you, look for fertilizers that are certified organic and have a low environmental impact.