Slow release lawn fertilisers in comparison
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Last updated on 08.10.2026
1
10-0-20 Emerald Lawn Fertilizer 25lbs - Slow-Release Nitrogen, Iron, & Micronutrients - Dark Green Lawn for Tall Fescue, St. Augustine, Zoysia, Centipede
Lawn Synergy
17% off
free shipping
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9,9
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2
Ferti-Lome Slow Release Nitrogen Lawn Fertilizer 15-0-15 with Iron – for Centipede & Multiple Grass Types – Covers 4,000 sq ft per Bag (2 Pack)
Factory Hardware Store
free shipping
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9,8
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3
Slow Release Lawn Fertilizer 25-5-10 NPK - 65% Granular Nitrogen Formula for Deep Feeding up to 110 Days - 10kg (22lbs) Bag - Kid & Pet Safe Lawn Care for Lush Green Grass
Eco Solutions
free shipping
To the product (1 offer)
9,7
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4
Fertilome (10767) Centipede Lawn Fertilizer 15-0-15 (20 lbs.)
ferti-lome
free shipping
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9,7
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5
Petramax Liquid Nitrogen Fertilizer 28-0-0 NPK - 32 Oz Spring & Summer Liquid Grass Fertilizer for Lawn, Spray on Easy to Apply for Deep Green Lawn Care - Slow Release High Nitrogen Turf Builder
Petra
25% off
free shipping
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9,7
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6
The Andersons Premium Fall Lawn Food 24-0-14 Fertilizer 5,000 sq ft Bag
The Andersons
free shipping
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9,7
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7
Lawn Fertilizer 16-4-8 with Humates for Grass, 11,000 sq ft All Turf, 40lb
PROXIO
free shipping
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9,5
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8
Supply Solutions 25-7-12 Lawn and Turf Fertilizer - 15% Slow Release Nitrogen Lawn Fertilizer for All Grass Types, Shrubs - Turf Builder Plant Food Covers 12,500 sq.ft (50lbs)
Supply Solutions
free shipping
To the product (1 offer)
9,3
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9
Scotts Green Max Lawn Food, 16.67 lbs.
Scotts
11% off
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9,2
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10
Garden Envy 13-13-13 Slow Release All-Purpose Professional Fertilizer with Micronutrients for Lawns, Flowers, Trees, Shrubs & Vegetable Gardens, 7 lbs
Garden Envy
free shipping
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9,2
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You might also be interested in these slow release lawn fertilisers.
Jonathan Green Organic Lawn Food - 10-0-1 Grass Fertilizer - 5,000 Sq Ft
FEEDS LAWNS FOR 8-10 WEEKS - This grass fertilizer has an analysis of 10-0-1 and is designed to promote lush green growth in lawns. It provides gradual, consistent nutrient release for 8 to 10 weeks.
$ 39.99
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To the product (3 offers)
Sunday Liquid Lawn Fertilizer for Drought, Hose-End Sprayer, 2 Pack
PREP FOR DROUGHT SEASON: Sunday's Water Focus offers a revolutionary approach to lawn care, utilizing local soil and climate data to provide your lawn with what it needs. Improve your lawn resiliency to heat, drought, and low rainfall.
$ 49.00
free shipping
To the product (1 offer)
7-0-20 Summer Lawn and Turf Stress Granular Fertilizer Blend (with Bio-Nite 45lb Bag - Covers 15,000 Square Feet - 7% Nitrogen - 3% Iron - 20% Potash - Safe for All Lawns - Apply All Year Round
Covers 6,000 sq ft (18 lb) - OR - 15,000 sq ft (45 lb)
$ 79.99
free shipping
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Espoma Turf-Tone All Season Organic Lawn Food with Iron & Exclusive Bio-Tone Formula - Slow Release Long Lasting Feeding for All Lawns - Granular Lawn Fertilizer for All Seasons - Made In USA, 14 lbs.
ALL SEASON LAWN FOOD: Formulated to feed lawns in spring, summer, or fall; this natural grass food nourishes from the ground up for a lush, green lawn; ideal for fescues, bluegrass, rye grass, st. augustine, and zoysia
$ 33.80
free shipping
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Milorganite 64032 Eco-Friendly Slow-Release Nitrogen Lawn Fertilizer, 32-lbs. - Quantity 40
Milorganite
$ 999.99
free shipping
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Organic Plant Magic - Truly Organic™ Slow Release Granular Lawn Fertilizer: Best Fertilizer for Grass, Bermuda, St. Augustine & Yard Care - Granules (20 Lb)
TRULY ORGANIC YOU CAN TRUST - OPM Lawn Food is Alive with GroBiotics: Amino & Humic Acids, Beneficial Biology and Complete Nutrition — These are the ABC’s of Organic Growing... With GroBiotics you will grow gorgeous grass better than ever before!
$ 138.00
free shipping
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Slow-N-Steady Liquid Lawn Fertilizer | 28-0-0, High Nitrogen, Slow Release Nitrogen (SRN) | Urea Triazone Sprayable Fertilizer | 32 fl oz Bottle | Steady Green-Up for Lawns| Made in The USA |
COVERAGE AREA: Treats up to 6,400 square feet of lawn with controlled-release nitrogen formula for consistent feeding and greening
$ 35.00
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Covington ProLine 18-0-1 NPK Liquid Slow Release Lawn Fertilizer (32oz) – High Nitrogen Lawn Food for All Grass Types – Supports Steady Growth & Maintenance – Deep Green Turf Builder Concentrate
Slow Release High Nitrogen Formula : Packed with 18% nitrogen, this liquid lawn fertilizer delivers consistent feeding for steady, healthy growth. Our slow-release formula minimizes burn risk while supporting long-term turf vitality.
$ 41.95
free shipping
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Gardenwise 13-13-13 Slow Release Granular Fertilizer – All Purpose Plant Food 13 13 13 for Outdoor Grass, Vegetables, Roses, Flowers, Shrubs, Trees. Lawns, Gardens, Potted Plants (4 quarts)
Balanced 13-13-13 Fertilizer for Outdoor Plants: Provides 13% Nitrogen, 13% Phosphorus, and 13% Potassium for optimal growth. Perfect for lawns, vegetable gardens, rose bushes, flowers, shrubs, and trees. Ideal for St. Augustine grass, evergreens, and all outdoor plants.
$ 30.99
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Pennington Full Season Lawn Fertilizer 12M 32-0-5 RF 35/33.6Lb
Pennington
$ 50.21
free shipping
To the product (2 offers)
5% off
HyR BRIX Slow-Release 22-7-7 Lawn Fertilizer, 45lb Bag - Lawn Food with Essential Micronutrients - Promotes Dense, Healthy Grass & Long-Lasting Green - Covers 5,600 Sq Ft
Essential Micronutrients for Lawn Health: Formulated with micronutrients and 22-7-7 nutrient analysis to support overall lawn health and stronger roots.
$ 72.63
free shipping
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Spectracide Lawn Fertilizer 30-0-0, 2-in-1 Formula 32 Oz, 3 Pack
2-IN-1 LAWN FERTILIZER: Contains quick-release nitrogen to turn your lawn green fast and slow-release nitrogen for long-lasting color.
$ 52.45
free shipping
To the product (1 offer)