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Patio, Lawn & Garden

Gardening & Lawn Care

Nitrogen Fertilizers

10 Best Nitrogen Fertilizers 2025 in the United States

Name: Scotts Green Max Lawn Food, Lawn Fertilizer Plus Iron Supplement for Greener Grass, 5,000 sq. ft., 16.67 lbs.
Brand: Scotts
Price: 27.99 USD
Availability: InStock

From leading brands and best sellers available on the web.

Humic Acid - Organic Liquid Humic Concentrate with Fulvic Acid - (275 Gallon Drum) - Multi-Purpose Soil Conditioner - Suitable for Gardens, Lawns, Houseplants & Trees

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Winner

Scotts

Scotts Green Max Lawn Food, Lawn Fertilizer Plus Iron Supplement for Greener Grass, 5,000 sq. ft., 16.67 lbs.

9.9

score

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Humic Acid - Organic Liquid Humic Concentrate with Fulvic Acid - (275 Gallon Drum) - Multi-Purpose Soil Conditioner - Suitable for Gardens, Lawns, Houseplants & Trees

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Burpee

Editor’s Choice

Burpee Organic Blood Meal Fertilizer | Add to Potting Soil | Excellent Natural Source of Nitrogen | for Tomatoes, Spinach, Broccoli, Leafy Greens | 3 lb, 1-Pack

9.8

score

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Twin Canaries Liquid Volume Conversion Chart

Fox Farm Fertilizer Soil Trio Liquid Nutrient: Tiger Bloom, Grow Big, Big Bloom Quart Bottles + Twin Canaries Chart (Pack of 3-32 oz)

9.6

score

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Simple Lawn Solutions

Advanced 16-4-8 Balanced NPK - Lawn Food Quality Liquid Fertilizer - Spring & Summer Concentrated Spray - Any Grass Type - Simple Lawn Solutions (32 Ounce)

9.4

score

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Milorganite

Milorganite Recycled Lawn and Garden Nitrogen Fertilizer (Recycled Organic Material)

9.2

score

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Simple Lawn Solutions

Maximum Green & Growth Fertilizer High Nitrogen 28-0-0 Liquid Lawn Food Spray Spring & Summer- Any Grass Type- Simple Lawn Solutions - Concentrated Quick & Slow Release Attached Sprayer (32 Ounce)

8.9

score

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Easy Peasy

UREA Fertilizer 46-0-0 | nitrogen granular Fertilizer | NITROGEN Plant Food

8.6

score

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Supply Solutions

Supply Solutions Urea 46-0-0 Nitrogen Fertilizer to Stimulate Lush Growth and Deep Green Color - Plant Food Plant Fertilizer for Plants Lawn Garden - Bloom Booster for Flowers, Fruits (40 Pounds)

8.3

score

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Simple Lawn Solutions

Commercial Grade Lawn Fertilizer with Iron- Liquid Fertilizer Spray- Nitrogen and Iron for Deeper Green Turf- Any Grass Type - Simple Lawn Solutions - Lawn Energizer - 32 Ounce

8.0

score

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#10

The Grow Co

Urea Fertilizer 46-0-0, High Nitrogen Fertilizer for Plants, Ideal Plant Food Nitrogen Fertilizer for Grass, Vegetable, Fruits, and Flowers, Promotes Greener Plant Color and Rapid, Lush Growth, 5 lb.

7.8

score

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More products we considered

Humboldts Secret Set of A & B Liquid Hydroponics Fertilizer - World's Best Nutrient System – Hydroponic Nutrients for Outdoor, Indoor Plants – Supports Vegetative and Flowering Stages of Plants

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Humboldts Secret Sweet & Sticky – Carbohydrate and Saccharide Energy Source – Enhance Aroma and Flavor of Plants – Potting Soil for Indoor Plants – Energy for Plants – 8 Ounce

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𝐏𝐑𝐎𝐅𝐄𝐒𝐒𝐈𝐎𝐍𝐀𝐋 All-Purpose 20-20-20 Liquid Fertilizer Spray for Lawns, Grass, Plants, Vegetables, Fruits & Flowers | 20-20-20 Liquid Fertilizer for Indoor and Outdoor Plants (32 OZ)

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Humboldts Secret pH Down | Liquid pH Plant Balancer for Soil & Hydroponics Growing System (8 Ounce)

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Arber Nutrition & Health Starter Set - Organic Plant Nourishment, Protection & Growth Boost - Liquid Concentrate for Gardens (Organic Nutrition & Health Set)

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10 Best Nitrogen Fertilizers 2025 in the United States

Humic Acid - Organic Liquid Humic Concentrate with Fulvic Acid - (275 Gallon Drum) - Multi-Purpose Soil Conditioner - Suitable for Gardens, Lawns, Houseplants & Trees

Scotts Green Max Lawn Food, Lawn Fertilizer Plus Iron Supplement for Greener Grass, 5,000 sq. ft., 16.67 lbs.

Humic Acid - Organic Liquid Humic Concentrate with Fulvic Acid - (275 Gallon Drum) - Multi-Purpose Soil Conditioner - Suitable for Gardens, Lawns, Houseplants & Trees

Burpee Organic Blood Meal Fertilizer | Add to Potting Soil | Excellent Natural Source of Nitrogen | for Tomatoes, Spinach, Broccoli, Leafy Greens | 3 lb, 1-Pack

Fox Farm Fertilizer Soil Trio Liquid Nutrient: Tiger Bloom, Grow Big, Big Bloom Quart Bottles + Twin Canaries Chart (Pack of 3-32 oz)

Advanced 16-4-8 Balanced NPK - Lawn Food Quality Liquid Fertilizer - Spring & Summer Concentrated Spray - Any Grass Type - Simple Lawn Solutions (32 Ounce)

Milorganite Recycled Lawn and Garden Nitrogen Fertilizer (Recycled Organic Material)

100 EarthPods - Premium Bio Organic Citrus Fertilizer Spikes - Special Plant Food Formulated for Citrus Fruit Trees - Made in USA

𝐁𝐄𝐒𝐓𝐒𝐄𝐋𝐋𝐄𝐑 Plant Superfood for PHILODENDRON Plants with B1 Vitamin, Glucose and Essential Minerals - Organic Plant Food Fertilizer for Indoor & Outdoor PHILODENDRON Plant Care - 8oz

Humboldts Secret Flower Stacker – Best Flowering Formula for Bigger Harvests - Flowering Plant Food – Nutrient System for Potting Soil for Indoor & Outdoor Plants - 5 Gallons

Omri Listed Fish & Kelp Fertilizer for Plants

Blue Spray Indicator - Mark Where You've Sprayed with Blue Dye for Weed Spraying - Safe & Non-Permanent Dye with Pipette for Easy Mixing - 8oz

Maximum Green & Growth Fertilizer High Nitrogen 28-0-0 Liquid Lawn Food Spray Spring & Summer- Any Grass Type- Simple Lawn Solutions - Concentrated Quick & Slow Release Attached Sprayer (32 Ounce)

UREA Fertilizer 46-0-0 | nitrogen granular Fertilizer | NITROGEN Plant Food

Supply Solutions Urea 46-0-0 Nitrogen Fertilizer to Stimulate Lush Growth and Deep Green Color - Plant Food Plant Fertilizer for Plants Lawn Garden - Bloom Booster for Flowers, Fruits (40 Pounds)

Commercial Grade Lawn Fertilizer with Iron- Liquid Fertilizer Spray- Nitrogen and Iron for Deeper Green Turf- Any Grass Type - Simple Lawn Solutions - Lawn Energizer - 32 Ounce

Urea Fertilizer 46-0-0, High Nitrogen Fertilizer for Plants, Ideal Plant Food Nitrogen Fertilizer for Grass, Vegetable, Fruits, and Flowers, Promotes Greener Plant Color and Rapid, Lush Growth, 5 lb.

Fox Farm Nitrogen Fertilizers

Miracle-Gro Nitrogen Fertilizers

Scotts Nitrogen Fertilizers

Espoma Nitrogen Fertilizers

Humboldts Secret Set of A & B Liquid Hydroponics Fertilizer - World's Best Nutrient System – Hydroponic Nutrients for Outdoor, Indoor Plants – Supports Vegetative and Flowering Stages of Plants

Humboldts Secret Sweet & Sticky – Carbohydrate and Saccharide Energy Source – Enhance Aroma and Flavor of Plants – Potting Soil for Indoor Plants – Energy for Plants – 8 Ounce

𝐏𝐑𝐎𝐅𝐄𝐒𝐒𝐈𝐎𝐍𝐀𝐋 All-Purpose 20-20-20 Liquid Fertilizer Spray for Lawns, Grass, Plants, Vegetables, Fruits & Flowers | 20-20-20 Liquid Fertilizer for Indoor and Outdoor Plants (32 OZ)

Humboldts Secret pH Down | Liquid pH Plant Balancer for Soil & Hydroponics Growing System (8 Ounce)

Arber Nutrition & Health Starter Set - Organic Plant Nourishment, Protection & Growth Boost - Liquid Concentrate for Gardens (Organic Nutrition & Health Set)