10 bestLawn Fertilizersof July 2025
112M consumers helped this year.
43% off
1
Scotts 10003 Lawn Response 9-1-1 4.8Kg
Scotts
9.8
6% off
2
Humic Acid Organic Lawn Fertlizer - Fulvic Humic Mineral Blend for Trees, Shrubs, Ornamentals, Vegetables & Crops - Enhancer & Garden Soil Conditioner by FoliarTech, 4L
FoliarTech
9.6
3
Scotts Turf Builder Green MAX Lawn Food - 5.7kg - 350m2 (3,767ft2)
Scotts
9.4
4
Scotts Turf Builder Summerguard Lawn Food - 4kg
Scotts
9.2
5
Scotts 09127 Turf Builder Starter Lawn Food 24-25-4
Scotts
8.9
Other
Organic Liquid Fertilizer (500ml / 16.9oz)
Growforge - Balanceline Liquid Lawn Fertilizer (1L). NPK 14-5-14 + micronutrients and Iron. Full Season Fertilizer for All Grass Types.
Scotts Turf Builder Small Lawns -Lawn Food 32-0-3 with 2% Iron, 100m²
Lawnderlust Super Concentrate (up to 2,000 LITRES) Organic Seaweed Fertilizer Plant Food for Lawn & Garden
6
Slow Release Granular Lawn Fertilizer - Advanced nutrients, Turf & Lawn Fertilizer, 25-5-10 65% (10kg Bag)
Eco Solutions
8.6
7
Scotts Turf Builder Pro Lawn Food 32-0-4 5.2kg (400m² Coverage)
Scotts
8.3
8
Liquid Nitrogen Fertilizer for Lawn 28-0-0, High Nitrogen for Plants and Lawn 1 Litre.
M.M BASICS
8.0
9
Scotts Turf Builder Fall Lawn Food - 5.2kg, White (03214A)
Scotts
7.7
10
Young Urban Farmers Gaia Green All Purpose Fertilizer 4-4-4 20kg
Young Urban Farmers
7.4
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A Guide to Selecting the Best Lawn Fertilizers
Choosing the right lawn fertilizer can make a big difference in the health and appearance of your grass. The best fertilizer for you depends on your lawn’s needs, the type of grass you have, and the time of year. Understanding the key specifications will help you select a product that supports strong growth, vibrant color, and resilience against weeds and disease. Always read the label and follow application instructions to avoid over-fertilizing, which can harm your lawn and the environment.
N-P-K Ratio
The N-P-K ratio stands for Nitrogen (N), Phosphorus (P), and Potassium (K), which are the three main nutrients in fertilizers. This ratio is important because each nutrient supports different aspects of lawn health: nitrogen promotes green growth, phosphorus helps with root development, and potassium strengthens the grass against stress. Ratios are shown as three numbers, like 20-5-10. High-nitrogen fertilizers are best for lush, green lawns, while higher phosphorus is good for new lawns or seeding. Choose a ratio based on your lawn’s current condition and what you want to improve—if your grass looks pale, more nitrogen may help; if you’re starting a new lawn, look for more phosphorus.
Release Type (Slow vs. Fast Release)
Fertilizers can be slow-release or fast-release, which affects how quickly nutrients become available to your lawn. Slow-release fertilizers provide nutrients over a longer period, reducing the risk of burning the grass and requiring fewer applications. Fast-release fertilizers work quickly for rapid results but may need to be applied more often and can burn the lawn if overused. If you want steady, long-term feeding with less maintenance, slow-release is a good choice. If you need a quick boost, such as before a special event, fast-release may be better.
Form (Granular vs. Liquid)
Lawn fertilizers come in granular or liquid forms. Granular fertilizers are easy to spread and are often slow-release, making them suitable for regular maintenance. Liquid fertilizers act quickly and are absorbed faster, which is helpful for immediate results or spot treatments. If you prefer a low-maintenance approach and have a spreader, granular is convenient. If you want to target specific areas or need fast results, liquid may be the way to go.
Weed and Feed vs. Straight Fertilizer
Some fertilizers are combined with weed control products, known as 'weed and feed.' These help fertilize your lawn while also controlling common weeds. Straight fertilizers only provide nutrients. If your lawn has a lot of weeds, a weed and feed product can save time and effort. If your lawn is mostly weed-free, a straight fertilizer is usually sufficient and avoids unnecessary chemicals.
Seasonal Formulation
Fertilizers are often designed for specific seasons, such as spring, summer, or fall. Each formulation supports the lawn’s needs at that time of year—spring fertilizers encourage growth, summer blends help with heat stress, and fall products prepare grass for winter. Choose a fertilizer that matches the current season and your lawn’s growth cycle for the best results.
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