10 Best Organic Lawn Fertilizers of 2025

Tested and Reviewed: Top 10 Organic Lawn Fertilizers deals with expert ratings from 8.1 to a perfect 10

March 2026 Edition

Editor's Choice

9.7

Espoma

Espoma EOLF28 Organic All Season Lawn Food, 28-Pound

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Editor's bottom line:

“This organic lawn fertilizers is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

CONTAINS: Espoma Organic Lawn Food is a rich blend of the finest natural & organic ingredients enhanced with our exclusive Bio-tone formula; 9-0-0 Fertilizer analysis. Adds Long Lasting Nitrogen for Deep Green Color. Environmentally Safe - No sludges or toxic ingredients.
FOR USE ON: Use for all lawns both cool and warm season grasses. Ideal for fescues, bluegrass, rye grass, St. Augustine and zoysia. Wont Burn Lawns or Leach Out of Soil
WHEN / HOW TO USE: Use both early & late spring and fall for all lawns. Apply with a drop or broadcast spreader.
FOR ORGANIC GARDENING: All Season Lawn Food is approved for organic gardening; It is a registered Organic Input Material meaning it meets all requirements for organic production.
MADE IN THE USA: Product of the Espoma Company. The leader in natural organics since 1929

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Picked by 397 people today

9.5

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.

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Main Highlights

CONTAINS: Espoma Organic Spring Lawn Booster is a rich blend of the finest natural & organic ingredients enhanced with extra calcium. 8-0-0 Fertilizer analysis. Adds Long Lasting Nitrogen for Deep Green Color. Environmentally Safe - No sludges or toxic ingredients.
FOR USE ON: Use for all lawns both cool and warm season grasses. Ideal for fescues, bluegrass, rye grass, St. Augustine and zoysia. Wont Burn Lawns or Leach Out of Soil
WHEN / HOW TO USE: Use in the early spring for all lawns. Apply with a drop or broadcast spreader
FOR ORGANIC GARDENING:Spring Lawn Booster is approved for organic gardening; It is a registered Organic Input Material meaning it meets all requirements for organic production
MADE IN THE USA: Product of the Espoma Company. The leader in natural organics since 1929

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9.5

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.

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Main Highlights

O.M. Scott & Sons Natural Grass Food is crafted with premium nutrient sources found in nature, designed to help you strengthen your grass from the roots up so you can go hard on your yard
This natural lawn food begins feeding your grass immediately (when you water immediately after application) and continues feeding for up to 10 weeks
Packed with essential nutrients, this formula doesn't contain added artificial or pest control ingredients, and its safe for use around people and pets (when used as directed)
Safe for use on all grass types (including yours) when used as directed; one 12.72 lb. bag covers 2,000 sq. ft.
O.M. Scott & Sons products are packaged in a recyclable paper bag - apply the product on your yard then toss the bag in your curbside recycling bin where available

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9.2

Purely Organic Products LLC

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

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Main Highlights

Promotes Lush Green Turf Grass. Will Not Burn Your Lawn.
Plant Based Formula with Distillers Grains & Soy. No Harsh Chemicals, No Manure & No Smelly Biosolids.
Convenient, Family & Pet Friendly. No Restrictions on Re-Entry Time After Application.
10-0-2 Formula with No Phosphorus Meets Town & Municipality Regulations Restricting Phosphate Use.

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9.0

Jonathan Green

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

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Main Highlights

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.
PACKED WITH TURF NUTRIENTS - Our lawn fertilizer provides excellent turf nutrients that promote healthy grass growth. It contains iron for deep greening. Can be used on established lawns and newly seeded or sodded lawns.
CHILDREN & PET SAFE - Due to the absence of fast-release synthetic ingredients, our fertilizer won't burn the yard and kids and pets may use the lawn immediately after application. It also has no undesirable manures or sludge-based fertilizers.
EASY TO APPLY - The homogenous granules of this grass fertilizer are incredibly easy to spread. Our lawn food should be applied using a rotary, drop, or hand-held spreader.
COMPLETE COVERAGE - This 17 lb bag covers up to 5,000 sq. ft. The best time to apply is late spring, summer, or early fall.

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8.8

Milorganite

Milorganite All-Purpose Eco-Friendly Slow-Release Nitrogen 6-4-0 Fertilizer, 32 lb Bag - for Lawns, Flowers, and Gardens - Includes Bonus Feeding & Spreader Tips Brochure

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Main Highlights

Bonus brochure includes seasonal application timing, spreader settings, and tips for lawns, gardens, and trees.
You dont have to worry about streaks, stripes, or accidentally burning your lawn when you use Milorganite fertilizer!
Milorganite contains virtually no salts, so it wont burn your lawn, trees, shrubs, or plants, even in the hottest temperatures or driest conditions.
Milorganite's iron greens without staining. Grass needs iron for the long-lasting, deep, vibrant green lawn you want. Milorganite delivers organically complex iron throughout the feeding period and wont stain concrete, unlike iron salts in some synthetic fertilizers.
Milorganites slow-release plant food formula provides nitrogen and other nutrients for up to 8-10 weeks after application and does not need to be watered in. Covers 2,500 Sq. Ft.
Milorganite can be safely used in lawns, flowers, shrubs, trees, and fruit and vegetable gardens, promoting strong roots and sturdier stems. It provides the nutrients every garden needs to grow the biggest and greatest abundance.

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8.6

Down To Earth All Natural Fertilizers

Down To Earth All Natural Fertilizers Organic Bio-Turf Lawn Food for Grass, Landscape and Ornamentals - Works with Lawn Spreaders 8-3-5, 4 lb

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Main Highlights

Down to Earth Bio-Turf is a 4 pound box of fertilizer with 8-3-5 formula and is listed by the Organic Materials Review Institute (OMRI) for use in organic production
Entirely natural granular lawn fertilizer designed to encourage deep root development to help reduce watering requirements
Nitrogen-rich formula boosts early season growth while its extra Potassium reduces seasonal stress due to temperature change and drought
Ideal for heavy feeding garden vegetables like corn, tomatoes and leafy greens
Derived from: Hydrolyzed Feather Meal, Blood Meal, Meat Meal, Bone Meal and Langbeinite

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8.3

Espoma

Espoma Lawn Food for All Seasons;15-0-5 Analysis with Non-Staining Iron; Exclusive Bio-Tone Formula with Long Lasting Slow Release Nitrogen for a Greener Lawn. 40 lb. Bag Covers up to 12,000 Sq. Ft.

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Main Highlights

CONTAINS: Espoma Lawn Food is rich in natural & organic ingredients. It is enhanced with Iron & our exclusive Bio-tone formula; 15-0-5 Fertilizer analysis. Adds Iron for Deep Green Color.
FOR USE ON: Use for all lawns both cool and warm season grasses. Ideal for fescues, bluegrass, rye grass. Wont Burn Lawns or Leach Out of Soil. Adds Iron to help turn yellow lawns back to green and wont stain concrete, sidewalks or driveways
WHEN / HOW TO USE: All Season Lawn Food; Use Spring, Summer & Fall. Apply with a drop or broadcast spreader.
MADE IN THE USA: Product of the Espoma Company. The leader in natural organics since 1929
COVERS: 40 lb bag feeds up to 12,000 Sq ft

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8.1

Jonathan Green

Jonathan Green (10251) Organic Lawn Food - 10-0-1 Grass Fertilizer (15,000 Sq. Ft.)

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Main Highlights

Size: 15000 sq. ft.
Fertilizer Analysis: 10-0-1
Complex, all organic lawn food
Derived from feather meal, soybean meal, molasses and wheat middlings
Promotes strong grass growth

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Our Best Overall Choice

Best Choice

9.7

Espoma

Espoma EOLF28 Organic All Season Lawn Food, 28-Pound

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Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

CONTAINS: Espoma Organic Lawn Food is a rich blend of the finest natural & organic ingredients enhanced with our exclusive Bio-tone formula; 9-0-0 Fertilizer analysis. Adds Long Lasting Nitrogen for Deep Green Color. Environmentally Safe - No sludges or toxic ingredients.
FOR USE ON: Use for all lawns both cool and warm season grasses. Ideal for fescues, bluegrass, rye grass, St. Augustine and zoysia. Wont Burn Lawns or Leach Out of Soil
WHEN / HOW TO USE: Use both early & late spring and fall for all lawns. Apply with a drop or broadcast spreader.
FOR ORGANIC GARDENING: All Season Lawn Food is approved for organic gardening; It is a registered Organic Input Material meaning it meets all requirements for organic production.
MADE IN THE USA: Product of the Espoma Company. The leader in natural organics since 1929

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