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Organic Garden Fertilizers

10 Best Organic Garden Fertilizers 2025 in the United States

Name: FoxFarm Liquid Nutrient Trio Soil Formula: Big Bloom, Grow Big, Tiger Bloom (Pack of 3-16 oz Bottles) + Twin Canaries Chart
Brand: Twin Canaries Liquid Volume Conversion Chart
Price: 35.99 USD
Availability: InStock

From leading brands and best sellers available on the web.

Premium 4-12-0 Organic Bone Meal Fertilizer by Gardenera - 20 Quart - All-Natural Plant Food Source of Nitrogen and Phosphorus for Bulbs, Gardens, Potted Plants, Trees, and Shrubs

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Winner

Twin Canaries Liquid Volume Conversion Chart

FoxFarm Liquid Nutrient Trio Soil Formula: Big Bloom, Grow Big, Tiger Bloom (Pack of 3-16 oz Bottles) + Twin Canaries Chart

9.9

score

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Premium 4-12-0 Organic Bone Meal Fertilizer by Gardenera - 20 Quart - All-Natural Plant Food Source of Nitrogen and Phosphorus for Bulbs, Gardens, Potted Plants, Trees, and Shrubs

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Jobe's Organics

Jobe’s Organics Granular Garden Fertilizer, Easy Plant Care Fertilizer for Vegetable Gardens and Tomato Plants, 16 lbs Bag

9.8

score

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Miracle-Gro

Miracle-Gro Shake 'N Feed All Purpose Plant Food, 4.5 lbs, Covers up to 180 sq. ft.

9.5

score

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Jobe's Organics

Jobe’s Organics Garden Fertilizer Spikes, Easy Plant Care Fertilizer for Fruit and Citrus Plants and Trees, 6 Count

9.3

score

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Miracle-Gro

Miracle-Gro Shake 'N Feed Tomato, Fruit & Vegetable Plant Food, Plant Fertilizer, 4.5 lbs.

9.0

score

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Espoma

Espoma Organic Grow! Liquid Concentrate Plant Food - All Purpose Fertilizer for Indoor & Outdoor Plants. for Organic Gardening. 16oz Bottle Pack of one

8.7

score

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FoxFarm

FoxFarm Grow Big Hydro Organic Liquid Fertilizer, Plant Food with Micro Nutrients for Hydroponic Systems - Enhances Vegetative Growth, Flowering, and Fruiting - pH Adjustable, NPK 3-2-6 (Pint)

8.4

score

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Jobe's Organics

Jobe’s Organics All Purpose Fertilizer Spikes, Easy Plant Care Fertilizer for Vegetables, Flowers, Shrubs, Trees, and Plants, 50 Count

8.1

score

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Dr. Earth

Dr. Earth Organic 5 Tomato, Vegetable & Herb Fertilizer Poly Bag

7.8

score

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#10

Miracle-Gro

Miracle-Gro Performance Organics All Purpose Plant Nutrition Granules - 2.5 lb., All-Purpose Plant Food for Vegetables, Flowers and Herbs, Feeds up to 240 sq. ft.

7.5

score

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More products we considered

Humboldts Secret Base A & B Bundle – World's Best Base Nutrient System – Liquid Nutrient/Fertilizer for Outdoor & Indoor Plants – Supports Vegetative and Flowering Stages of Plants – (2.5 Gallon Set)

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Kelp Fertilizer by GS Plant Foods (5 Gallon) - Organic Liquid Fertilizer for Gardens, Lawns & Soil - Liquid Kelp Concentrate

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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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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 Calcium, Magnesium and Iron Supplement – Hydroponic Supplies – Liquid Nutrient Fertilizer – Supports Vegetative and Flowering Stage – 8 Ounce

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10 Best Organic Garden Fertilizers 2025 in the United States

Premium 4-12-0 Organic Bone Meal Fertilizer by Gardenera - 20 Quart - All-Natural Plant Food Source of Nitrogen and Phosphorus for Bulbs, Gardens, Potted Plants, Trees, and Shrubs

FoxFarm Liquid Nutrient Trio Soil Formula: Big Bloom, Grow Big, Tiger Bloom (Pack of 3-16 oz Bottles) + Twin Canaries Chart

Premium 4-12-0 Organic Bone Meal Fertilizer by Gardenera - 20 Quart - All-Natural Plant Food Source of Nitrogen and Phosphorus for Bulbs, Gardens, Potted Plants, Trees, and Shrubs

Jobe’s Organics Granular Garden Fertilizer, Easy Plant Care Fertilizer for Vegetable Gardens and Tomato Plants, 16 lbs Bag

Miracle-Gro Shake 'N Feed All Purpose Plant Food, 4.5 lbs, Covers up to 180 sq. ft.

Jobe’s Organics Garden Fertilizer Spikes, Easy Plant Care Fertilizer for Fruit and Citrus Plants and Trees, 6 Count

Miracle-Gro Shake 'N Feed Tomato, Fruit & Vegetable Plant Food, Plant Fertilizer, 4.5 lbs.

Espoma Organic Grow! Liquid Concentrate Plant Food - All Purpose Fertilizer for Indoor & Outdoor Plants. for Organic Gardening. 16oz Bottle Pack of one

FoxFarm Grow Big Hydro Organic Liquid Fertilizer, Plant Food with Micro Nutrients for Hydroponic Systems - Enhances Vegetative Growth, Flowering, and Fruiting - pH Adjustable, NPK 3-2-6 (Pint)

Jobe’s Organics All Purpose Fertilizer Spikes, Easy Plant Care Fertilizer for Vegetables, Flowers, Shrubs, Trees, and Plants, 50 Count

Dr. Earth Organic 5 Tomato, Vegetable & Herb Fertilizer Poly Bag

Miracle-Gro Performance Organics All Purpose Plant Nutrition Granules - 2.5 lb., All-Purpose Plant Food for Vegetables, Flowers and Herbs, Feeds up to 240 sq. ft.

Humboldts Secret Base A & B Bundle – World's Best Base Nutrient System – Liquid Nutrient/Fertilizer for Outdoor & Indoor Plants – Supports Vegetative and Flowering Stages of Plants – (2.5 Gallon Set)

Kelp Fertilizer by GS Plant Foods (5 Gallon) - Organic Liquid Fertilizer for Gardens, Lawns & Soil - Liquid Kelp Concentrate

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

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 Calcium, Magnesium and Iron Supplement – Hydroponic Supplies – Liquid Nutrient Fertilizer – Supports Vegetative and Flowering Stage – 8 Ounce

FAQ

What are the best organic fertilizers for vegetable gardens?

Are organic fertilizers safe for pets and children?

How do I apply organic fertilizer to my garden?

What ingredients should I look for in an organic fertilizer?

Can I make my own organic fertilizer at home?

10 Best Organic Garden Fertilizers 2025 in the United States

Premium 4-12-0 Organic Bone Meal Fertilizer by Gardenera - 20 Quart - All-Natural Plant Food Source of Nitrogen and Phosphorus for Bulbs, Gardens, Potted Plants, Trees, and Shrubs

FoxFarm Liquid Nutrient Trio Soil Formula: Big Bloom, Grow Big, Tiger Bloom (Pack of 3-16 oz Bottles) + Twin Canaries Chart

Premium 4-12-0 Organic Bone Meal Fertilizer by Gardenera - 20 Quart - All-Natural Plant Food Source of Nitrogen and Phosphorus for Bulbs, Gardens, Potted Plants, Trees, and Shrubs

Jobe’s Organics Granular Garden Fertilizer, Easy Plant Care Fertilizer for Vegetable Gardens and Tomato Plants, 16 lbs Bag

Miracle-Gro Shake 'N Feed All Purpose Plant Food, 4.5 lbs, Covers up to 180 sq. ft.

Jobe’s Organics Garden Fertilizer Spikes, Easy Plant Care Fertilizer for Fruit and Citrus Plants and Trees, 6 Count

Miracle-Gro Shake 'N Feed Tomato, Fruit & Vegetable Plant Food, Plant Fertilizer, 4.5 lbs.

100 Earthpods - Premium Bio Organic Vegetable Fertilizer Spikes – Special Formulated Herb Fertilizer for Potted Plants - Organic Plant Food for Herbs - Garden Fertilizer Sticks – Made in USA

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

Humboldts Secret Tree Trunk - Silicate Additive - Advanced Nutrients - Helps Plants Flourish - Indoor Plant Food - Hydroponic Nutrients - Liquid Fertilizer (8 Ounce)

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

Omri Listed Fish & Kelp Fertilizer for Plants

Espoma Organic Grow! Liquid Concentrate Plant Food - All Purpose Fertilizer for Indoor & Outdoor Plants. for Organic Gardening. 16oz Bottle Pack of one

FoxFarm Grow Big Hydro Organic Liquid Fertilizer, Plant Food with Micro Nutrients for Hydroponic Systems - Enhances Vegetative Growth, Flowering, and Fruiting - pH Adjustable, NPK 3-2-6 (Pint)

Jobe’s Organics All Purpose Fertilizer Spikes, Easy Plant Care Fertilizer for Vegetables, Flowers, Shrubs, Trees, and Plants, 50 Count

Dr. Earth Organic 5 Tomato, Vegetable & Herb Fertilizer Poly Bag

Miracle-Gro Performance Organics All Purpose Plant Nutrition Granules - 2.5 lb., All-Purpose Plant Food for Vegetables, Flowers and Herbs, Feeds up to 240 sq. ft.

Garden of Life Organic Fertilizers

Organic Fertilizers

Garden & Lawn Supply Organic Fertilizers

Garden Fertilizers

Easy Gardener Organic Fertilizers

Humboldts Secret Base A & B Bundle – World's Best Base Nutrient System – Liquid Nutrient/Fertilizer for Outdoor & Indoor Plants – Supports Vegetative and Flowering Stages of Plants – (2.5 Gallon Set)

Kelp Fertilizer by GS Plant Foods (5 Gallon) - Organic Liquid Fertilizer for Gardens, Lawns & Soil - Liquid Kelp Concentrate

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

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 Calcium, Magnesium and Iron Supplement – Hydroponic Supplies – Liquid Nutrient Fertilizer – Supports Vegetative and Flowering Stage – 8 Ounce

FAQ

What are the best organic fertilizers for vegetable gardens?

Are organic fertilizers safe for pets and children?

How do I apply organic fertilizer to my garden?

What ingredients should I look for in an organic fertilizer?

Can I make my own organic fertilizer at home?