10 Best organic fertilizer for lawns of 2025

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Best Choice

1

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
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
9.7

Exceptional

Our Rating

9.9
quality of ingredients

9.5
Easy to use

9.5
Absorbency
How do we rank?

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Value for Money

2

Espoma
Espoma Organic Lawn Food Summer Revitalizer 8-0-0 Natural & Organic Fertilizer for All Lawns; Provides Iron & Long Lasting Organic Nitrogen for a Greener Lawn. 30 lb. Bag Covers up to 5,000 Sq. Ft.
Main highlights

Organic and Safe for Pets
Espoma Organic Lawn Food Summer Revitalizer is made from natural and organic ingredients, is environmentally safe, and won't burn lawns or leach out of soil.

Ideal for All Lawns in Summer
Suitable for both cool and warm season grasses including fescues, bluegrass, rye grass, St. Augustine, and zoysia. Apply with a drop or broadcast spreader.

Fast Greening and Thickening
Customers praise its ability to quickly green and thicken lawns, with some seeing results in 2-3 weeks. Safe for pets and children.
9.6

Exceptional

Our Rating

9.9
Simple to use

9.9
quality of ingredients

9.9
Easy to use
3

Espoma

Espoma Organic All Season Lawn Food 9-0-0 Natural & Organic Lawn Food; Fertilizer for All Lawns; Long Lasting Organic Nitrogen for a Greener Lawn. 28 lb. Bag Covers up to 5,000 Sq. Ft.
9.5

Excellent

Our Rating

8.9
Simple to use

8.7
Easy to use

8.4
worth the money
4

Milorganite
Milorganite Lawn and Garden Nitrogen Fertilizer 6-4-0 (Made from Recycled Organic Material)

17% Off
Main highlights

Eco-Friendly Nutrient Blend
Milorganite offers a unique, eco-friendly nutrient blend for vibrant lawns and gardens.

Ideal for Drought-Prone Areas
Perfect for maintaining green lawns without watering, even in hot weather.

Consistent Long-Term Greening
Customers praise its ability to keep lawns green over time without burning.
9.3

Excellent

Our Rating
5

Purely Organic Products LLC

Purely Organic Products Lawn Food 10-0-2, 15 LB Bag (Covers 3,000 Square Feet)
9.2

Excellent

Our Rating
See Today’s Deals & Prices
6

Espoma
Espoma Organic Spring Lawn Booster 8-0-0 Natural & Organic Lawn Fertilizer. Long Lasting Slow-Release Nitrogen Enhanced with Calcium. 30 lb. Bag Covers up to 5,000 Sq. Ft.

10% Off
Main highlights

Key Features
Eco-friendly 8-0-0 fertilizer from Feather Meal, Poultry Manure, & Gypsum. Feeds 5,000 sq ft, safe for kids and pets.

Ideal Use Cases
Perfect for lawn care enthusiasts seeking a sustainable, high-impact solution for lush, green grass without chemical additives.

Customer Praise
Reviewers consistently laud its effectiveness in improving lawn health and appreciate its safety for pets and children.
9.1

Excellent

Our Rating

9.1
Simple to use

9.1
Easy to use

8.0
worth the money
7

Jonathan Green
Jonathan Green Organic Organic 8-0-1 Lawn Food for All Grass Types 20 lb. 5000 sq. ft.
Main highlights

Gradual Nutrient Release for 8-10 Weeks
This grass fertilizer has an analysis of 10-0-1, promoting lush green growth with consistent nutrient release for 8 to 10 weeks.

Safe for Kids and Pets
The fertilizer is designed for use on established and newly seeded lawns without burning, and it's safe for children and pets immediately after application.

Effective and Long-Lasting
Customers praise the fertilizer for its ability to improve lawn health and greening, especially noting its gradual nutrient release and safety for pets.
9.0

Excellent

Our Rating

9.9
safety

9.3
For small areas

8.7
Simple to use
8

Scotts

O.M. Scott and Sons Natural Grass Food, Food for Lawns, Fertilizes for up to 10 Weeks, Covers up to 2,000 sq. ft., 12.72 lbs.
8.8

Very Good

Our Rating
9

Espoma

Espoma Lawn Food for All Seasons. Rich in Natural Organics 15-0-5 analysis; 20 lbs. covers up to 6,000 square feet. Bio-tone formula with Slow Release Nitrogen and Non-Staining Iron.
8.7

Very Good

Our Rating
10

Safer
Safer Brand 9335SR Lawn Restore Natural Lawn Fertilizer - Non-Burning Fertilizer - 9-0-2 NPK - Covers up to 5,000 Sq Ft
Main highlights

Lush Green Lawn
Revitalizes lawn with a non-burning formula that strengthens roots.

Ideal for Safe Play Areas
Perfect for homes with kids and pets, ensuring safety.

Customer Praised Green-Up
Praised for quick greening, transforming lawns in days.
8.5

Good

Our Rating

9.1
Simple to use

8.9
Easy to use

8.0
worth the money

10 Best organic fertilizer for lawns of 2025

1

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

2

Espoma Organic Lawn Food Summer Revitalizer 8-0-0 Natural & Organic Fertilizer for All Lawns; Provides Iron & Long Lasting Organic Nitrogen for a Greener Lawn. 30 lb. Bag Covers up to 5,000 Sq. Ft.

9.9

9.9

9.9

3

Espoma Organic All Season Lawn Food 9-0-0 Natural & Organic Lawn Food; Fertilizer for All Lawns; Long Lasting Organic Nitrogen for a Greener Lawn. 28 lb. Bag Covers up to 5,000 Sq. Ft.

8.9

8.7

8.4

4

Milorganite Lawn and Garden Nitrogen Fertilizer 6-4-0 (Made from Recycled Organic Material)

5

Purely Organic Products Lawn Food 10-0-2, 15 LB Bag (Covers 3,000 Square Feet)

6

Espoma Organic Spring Lawn Booster 8-0-0 Natural & Organic Lawn Fertilizer. Long Lasting Slow-Release Nitrogen Enhanced with Calcium. 30 lb. Bag Covers up to 5,000 Sq. Ft.

9.1

9.1

8.0

7

Jonathan Green Organic Organic 8-0-1 Lawn Food for All Grass Types 20 lb. 5000 sq. ft.

9.9

9.3

8.7

8

O.M. Scott and Sons Natural Grass Food, Food for Lawns, Fertilizes for up to 10 Weeks, Covers up to 2,000 sq. ft., 12.72 lbs.

9

Espoma Lawn Food for All Seasons. Rich in Natural Organics 15-0-5 analysis; 20 lbs. covers up to 6,000 square feet. Bio-tone formula with Slow Release Nitrogen and Non-Staining Iron.

10

Safer Brand 9335SR Lawn Restore Natural Lawn Fertilizer - Non-Burning Fertilizer - 9-0-2 NPK - Covers up to 5,000 Sq Ft

9.1

8.9

8.0

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