10 bestOrganic Lawn Fertilizersof April 2025
112M consumers helped this year.
29% off
1
Miracle-Gro Evergreen Complete 4-in-1 Lawn Food, Weed & Moss Control, 360 m2, Yellow
Miracle-Gro
9.8
17% off
2
Westland SafeLawn Child and Pet Friendly Natural Lawn Feed 400 m2, Green, 14 kg
Westland
9.6
3
Dark Green Lawn Fertiliser - Non Toxic - High in Nitrogen Greens Grass Fast - Feeds for 90 Days - Child and Pet Friendly - Garden Lawncare Guy
Garden Lawncare Guy
9.3
4
Miracle-Gro EverGreen Fast Green Spray & Feed, Liquid Lawn Food, 1 Litre
Miracle-Gro
9.1
5
Greenforce G21086 Green Force Lawn Feed Weed Moss Killer 400m2 Fertilizer, Grey, 30.0 cm*21.0 cm*11.0 cm
Greenforce
8.8
OtherUp to 12% off
Maxicrop XOLNF61L Organic Lawn Natural Fertiliser, 1L - Natural Organic Lawn Fertiliser - with Seaweed Extract - for Strong Growth and Healthy Root Development - Lawn Nutrition - Garden Care, Brown
Grass Gains Lawn Bulk Grass Fertiliser, Organic Plant Based Lawn Fertiliser, Results in 5 Days and Lasts 6 Months (Covers 100m2) No Scorch Lawn Care, Child and Pet Friendly Lawn Feed 2.5kg
25kg SPRING AND SUMMER PROFESSIONAL LAWN TREATMENT FEED GRASS FERTILISER
Solabiol Toplawn Plus, 15kg - Natural Lawn Fertiliser - Improves Soil Nutrients - Approved for Organic Growing - for Use On All Lawn Types Including New Lawns - Lawn Nutrition - Garden Care
8% off
6
Miracle-Gro Water Soluble Lawn Food 2kg
Miracle-Gro
8.6
7
Clover Grass Seed for Low Maintenance Eco Lawns, Organic Fertilizer (1kg (Covers 35m²))
GardenersDream
8.3
8
Seed Start - Pre-Seed & Pre-Turfing Lawn Fertiliser - Child and Pet Friendly - High in Phosphorus for Lawn Establishment - Garden Lawncare Guy
Garden Lawncare Guy
8.0
9
Miracle-Gro Fast Green Lawn Food Concentrated Liquid, 1 litre concentrate, 100 m² coverage
Miracle-Gro
7.7
16% off
10
Miracle-Gro EverGreen Premium Plus Thick & Green Lawn Food - 100 m2
Miracle-Gro
7.4
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A Guide to Selecting 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 Ratio
The 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 Nutrients
Organic 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 Method
Organic 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 Benefits
One 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 Impact
Organic 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.
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