10 Best nitrogen fertilizers of 2026

Save up to 36% off

1

The Grow Co

5 lb. Urea Fertilizer 46-0-0, High Nitrogen Fertilizer for Plants, Ideal Plant Food Nitrogen for Grass, Vegetable, Fruits, and Flowers - Promotes Greener Plant Color and Vibrant, Lush Growth
9.8

Exceptional

Our Rating
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2

The Grow Co

5 lb. Urea Fertilizer 46-0-0, High Nitrogen Fertilizer for Plants, Ideal Plant Food Nitrogen for Grass, Vegetable, Fruits, and Flowers - Promotes Greener Plant Color and Vibrant, Lush Growth
9.7

Exceptional

Our Rating
3

TPS NUTRIENTS

TPS NUTRIENTS Nitrogen for Plants, Tri-Source N Nitrogen for Lush Green Growth, Liquid Plant Fertilizer 8 oz (250mL), SUPPNITRO8OZ
9.6

Exceptional

Our Rating
4

TPS NUTRIENTS

TPS NUTRIENTS Nitrogen for Plants, Tri-Source N Nitrogen for Lush Green Growth, Liquid Plant Fertilizer 8 oz (250mL), SUPPNITRO8OZ

10% Off
9.5

Excellent

Our Rating
5

Cz Garden Supply
Urea Fertilizer 46-0-0 Made in USA - 5LB Plant Food for Indoor/Outdoor Flowers & Gardens - Promotes Lush Growth - Lettuce, Green Lawns, Fruit, Vegetables, Citrus Trees, Tie Dye Granules Prills
Main highlights

Key Features
High-purity, water-soluble nitrogen fertilizer for robust growth. Versatile use in gardens and crafts. Easy-pour, resealable packaging ensures longevity and ease of use.

Ideal Use Cases
Perfect for green leafy vegetables, indoor flowers, and lush lawns. Also, a go-to for vibrant tie-dye or batik fabric coloring projects.

Customer Reviews Highlight
Most praised for its effectiveness in promoting lush, green growth quickly. Users also love the dual functionality for gardening and crafts.
9.4

Excellent

Our Rating

9.3
worth the money

9.3
Simple to use

8.9
Easy to use
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6

Cz Garden Supply
Urea Fertilizer 46-0-0 Made in USA - 5LB Plant Food for Indoor/Outdoor Flowers & Gardens - Promotes Lush Growth - Lettuce, Green Lawns, Fruit, Vegetables, Citrus Trees, Tie Dye Granules Prills
Main highlights

Key Features
High-purity, water-soluble nitrogen fertilizer for robust growth. Versatile use in gardens and crafts. Easy-pour, resealable packaging ensures longevity and ease of use.

Ideal Use Cases
Perfect for green leafy vegetables, indoor flowers, and lush lawns. Also, a go-to for vibrant tie-dye or batik fabric coloring projects.

Customer Reviews Highlight
Most praised for its effectiveness in promoting lush, green growth quickly. Users also love the dual functionality for gardening and crafts.
9.3

Excellent

Our Rating

9.3
worth the money

9.3
Simple to use

8.9
Easy to use
7

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

36% Off
Main highlights

Grow Stronger Plants
Blood meal is an effective starter fertilizer and excellent source of nitrogen for green garden vegetables and colorful flower blooms.

Ideal for Organic Gardening
OMRI Listed for organic use, perfect for vegetables needing extra nitrogen like lettuce, kale, squash, and fruiting plants like tomatoes and peppers.

Customers Praise Nutrient Boost
Users love the noticeable improvement in plant growth and health, especially when dealing with late blooming pumpkins and blossom end rot tomatoes.
Key specs
- Aeration:Supports soil microorganisms
- Drainage:Effective starter fertilizer
- Composition:Granules
- Organic:OMRI Listed for organic use
- Nutrients:12-0-0 nitrogen source
9.0

Excellent

Our Rating

9.9
quality of ingredients

9.5
Easy to use

9.5
Absorbency
8

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

36% Off
Main highlights

Grow Stronger Plants
Blood meal is an effective starter fertilizer and excellent source of nitrogen for green garden vegetables and colorful flower blooms.

Ideal for Organic Gardening
OMRI Listed for organic use, perfect for vegetables needing extra nitrogen like lettuce, kale, squash, and fruiting plants like tomatoes and peppers.

Customers Praise Nutrient Boost
Users love the noticeable improvement in plant growth and health, especially when dealing with late blooming pumpkins and blossom end rot tomatoes.
Key specs
- Aeration:Supports soil microorganisms
- Drainage:Effective starter fertilizer
- Composition:Granules
- Organic:OMRI Listed for organic use
- Nutrients:12-0-0 nitrogen source
8.7

Very Good

Our Rating

9.9
quality of ingredients

9.5
Easy to use

9.5
Absorbency
9

Down To Earth All Natural Fertilizers
Down To Earth All Natural Fertilizers Organic Blood Meal - High Nitrogen Plant Food for Green Growth 12-0-0, 0.5 lb

14% Off
Main highlights

High Nitrogen Formula
Down To Earth Blood Meal offers a 12-0-0 nitrogen formula for rapid vegetative growth.

Ideal for Heavy Feeders
Best used for corn, spinach, broccoli, and leafy greens.

Organic Certification
OMRI listed for organic production, ensuring safe use in organic gardening.
8.6

Very Good

Our Rating
10

Down To Earth All Natural Fertilizers
Down To Earth All Natural Fertilizers Organic Blood Meal - High Nitrogen Plant Food for Green Growth 12-0-0, 0.5 lb

14% Off
Main highlights

High Nitrogen Formula
Down To Earth Blood Meal offers a 12-0-0 nitrogen formula for rapid vegetative growth.

Ideal for Heavy Feeders
Best used for corn, spinach, broccoli, and leafy greens.

Organic Certification
OMRI listed for organic production, ensuring safe use in organic gardening.
8.5

Good

Our Rating

10 Best nitrogen fertilizers of 2026

1

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

How do we rank?

How do we rank?

Analyzing top stores

2

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

3

TPS NUTRIENTS Nitrogen for Plants, Tri-Source N Nitrogen for Lush Green Growth, Liquid Plant Fertilizer 8 oz (250mL), SUPPNITRO8OZ

4

TPS NUTRIENTS Nitrogen for Plants, Tri-Source N Nitrogen for Lush Green Growth, Liquid Plant Fertilizer 8 oz (250mL), SUPPNITRO8OZ

5

Urea Fertilizer 46-0-0 Made in USA - 5LB Plant Food for Indoor/Outdoor Flowers & Gardens - Promotes Lush Growth - Lettuce, Green Lawns, Fruit, Vegetables, Citrus Trees, Tie Dye Granules Prills

9.3

9.3

8.9

6

Urea Fertilizer 46-0-0 Made in USA - 5LB Plant Food for Indoor/Outdoor Flowers & Gardens - Promotes Lush Growth - Lettuce, Green Lawns, Fruit, Vegetables, Citrus Trees, Tie Dye Granules Prills

9.3

9.3

8.9

7

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

9.9

9.5

9.5

8

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

9.9

9.5

9.5

9

Down To Earth All Natural Fertilizers Organic Blood Meal - High Nitrogen Plant Food for Green Growth 12-0-0, 0.5 lb

10

Down To Earth All Natural Fertilizers Organic Blood Meal - High Nitrogen Plant Food for Green Growth 12-0-0, 0.5 lb

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