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The 8 Best organic garden fertilizers of 2024

Are you trying to find organic garden fertilizers among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling organic garden fertilizers on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 28 hours of research and did 46 organic garden fertilizers tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best organic garden fertilizers you can buy today

No. 1
Espoma Organic Garden-Tone 3-4-4 Organic Fertilizer for Cool & Warm Season Vegetables and Herbs. Grow an Abundant Harvest of Nutritious and Flavorful Vegetables – 4 lb. Bag - Pack of 2
  • FOR USE ON: Use Garden-tone organic fertilizer for leafy vegetables like lettuce, kale & cabbage as well as warm season crops like tomatoes, peppers, squash & melons.
  • CONTAINS: Garden-tone is a rich blend of the finest natural & organic ingredients enhanced with our exclusive Bio-tone formula; 3-4-4 Fertilizer analysis with 5% calcium. Garden-tone is environmentally Safe - No sludges or toxic ingredients.
  • WHEN / HOW TO USE: Use Garden-tone fertilizer monthly throughout the growing season. Apply to the soil around the drip line of the plant or on either side of planting rows and then water thoroughly. Garden-tone is ready to use and requires no mixing.
  • FOR ORGANIC GARDENING: Garden-tone 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.
  • You will receive (2) bags per order
No. 2
How to Make Organic Liquid Fertilizer: A Complete Guide on Homemade, Eco-Friendly, Soil and Plant-Enriching Natural Fertilizer for Garden Boost (Growing Greens)
  • Pecor, Laura (Author)
  • English (Publication Language)
  • 92 Pages - 07/22/2023 (Publication Date) - Independently published (Publisher)
No. 3
True Organic All Purpose Liquid Plant Food - Liquid Fertilizer 16oz - CDFA, OMRI Listed for Organic Gardening NPK 3-2-2
  • True Organic All Purpose Liquid Plant Food: Contains 16 oz. liquid fertilizer for safer edible gardening including abundant organic fruits, flowers, vegetables, herbs and foliage
  • How To Use: Apply True Organic's liquid plant food every two weeks during growing season. Our 16 fl oz bottle covers approx. 30 Sq Ft when mixed at a rate of 2 oz per gallon of water
  • Made With 100% Organic and Natural Ingredients: True Organic plant fertilizers exceed industry requirements for clean sourcing and testing for pathogens and are pet friendly
  • Our Specialty: We manufacture all of our products in the USA for the highest quality, ethically sourced, organic plant foods and fertilizers
  • Farm To Table: Our plant fertilizers offer more farm grade, certified premium organic content than any plant food sold today to regenerate the soil and produce healthier fruits and vegetables
No. 4
Organic Plant Magic - Truly Organic™ Slow Release Granular Fertilizer : Long-Lasting Plant Food Granules for All Indoor & Outdoor Flowers, Vegetable Gardens, Herbs, Fruit Trees, Shrubs, Lawns & House Plants [One 4 lb Bag]
  • New Spreadable Fertilizer Granules - Amazing Benefits that Plants & Customers LOVE!
  • EASY & ALL PURPOSE - Simply grow healthy plants and beautiful gardens... Just add granules to planting holes, mix with soil, or top dress soil by hand or spreader. Works for everyone, every plant, everywhere, every time!
  • LONG LASTING - Simply sprinkle a handful of Organic Plant Magic onto the soil of your plant once per month or more and water as normal for long lasting magical results! One 4 lb bag covers 1000 square feet.
  • AMAZING GROWTH, COLOR, & FLAVOR - Empower your plants to express their full genetic potential. Get spectacular leaf, flower, fruit, veggie and herb production. Grow more vibrant color and flavor than ever before.
  • BIOLOGY OVER CHEMICALS - This versatile all purpose granular blend is packed with every essential plant nutrient, plus 55+ trace minerals, amino acids, humic acids, kelp, and beneficial GroBiotics including mycorrhizae proven to provide everything your plants need to naturally grow their best!
SaleNo. 5
Jobe's 09023NAAZ Granular Plant Food Vegetables & Tomato, 16 lbs
  • Organic granular fertilizer; fast acting fertilizer for vegetables and tomatoes for a more abundant harvest
  • OMRI listed for organic gardening by USDA; certified organic means no synthetic chemicals
  • Contains Jobe’s Biozomethe proprietary microorganism archaea that aggressively breaks down material for faster results
  • Jobe's Biozome improves soil conditions and drought during the growing season
  • Easy pour bag; Analysis: (2-5-3) 1. 5 pound resealable bag, (2-5-3) 4 pound bag, (2-5-3) 16 pound bag
No. 6
AgroThrive All Purpose Organic Liquid Fertilizer - 3-3-2 NPK (ATGP1128) (1 Gal) for Lawns, Vegetables, Greenhouses, Herbs and Everything Else that Grows
  • 【POTENT FERTILIZER】Experience the potency of AgroThrive's All Purpose Organic Liquid Fertilizer, a liquid fertilizer for indoor plants that delivers organic results in less than a week. Ideal for gardeners and farmers seeking a quick, effective, and natural houseplant food to boost their plants' growth and health.
  • 【CERTIFIED ORGANIC】Trust in the certifications of OMRI, CDFA, and WSDA, assuring that AgroThrive's All Purpose Organic Liquid Fertilizer is an organic fertilizer free from synthetic chemicals. This fish emulsion fertilizer is crucial for those dedicated to organic farming and gardening, as it guarantees a product free from harmful chemicals and safe for the environment.
  • 【VERSATILE USE】Take advantage of the 3-3-2 NPK General Purpose liquid fertilizer, designed for lawns, vegetables, greenhouses, herbs, and everything else that grows. This liquid plant food caters to all your gardening needs, whether you're cultivating vegetables in your backyard or managing a large greenhouse.
  • 【ABSORBABLE NUTRIENTS】Benefit from the Progressive Digestion Process, a unique method that simplifies all organic ingredients to a molecular structure that plants can quickly absorb, making it an effective plant fertilizer. This process ensures your plants can absorb and utilize every single plant nutrient effectively.
  • 【CONVENIENT USE】Enjoy the convenience of a liquid concentrate in a bottle; just mix 2oz – 4oz with 1 gallon of water and apply to soil, making it an easy-to-use fertilizer. This garden fertilizer is a significant advantage for those seeking a hassle-free gardening experience, as it eliminates the need for complicated measurements and mixing.
No. 7
Miracle-Gro Performance Organics Edibles Plant Nutrition - Organic Plant Food Feeds Instantly, for Tomatoes, Vegetables, Herbs and Fruits, Promotes a Bountiful Harvest, 1 lb.
  • Use Miracle-Gro Performance Organics Edibles Plant Nutrition to feed tomatoes, vegetables, herbs, and fruits
  • OMRI listed organic plant food feeds instantly
  • Apply easily with the Miracle-Gro Performance Organics Garden Feeder or a watering can
  • For best results, feed your garden plants every 7 days
  • Covers up to 265 sq. ft. when used in the Miracle-Gro Performance Organics Garden Feeder
No. 8
Eden Vegetables & Leafy Greens Organic Enriched Fertilizer - Neem Plant Food 7-7-7 Enriched Formula for Perfect Nitrogen, Phosphorous & Potassium Balance (5 lbs)
  • Developed by WonderTree Organics - a plant fertilizer brand on a mission to promote and sustain a viable agriculture practice through innovative plant nutrient management systems.
  • Organic Enriched Granular Fertilizer - the Eden Vegetables & Leafy Greens Fertilizer contains essential organically enriched plant nutrients for healthy soil, promoting growth and producing healthy food.
  • Special Growth Formula - a 7-7-7 combination, the Eden Vegetables & Leafy Greens Plant fertilizer contains 7% Nitrogen for vigorous leaf growth, 7% Phosphate for strong roots, and 7% Potassium for increased crop production.
  • Enriched With Neem Matrix - this formulation strengthens the root system and reduces water intake, heals the soil, and increases Organic Matter to boost crop production.
  • Made in the USA - manufactured locally in Atlanta (GA) with eco-friendly and natural plant nutrients that enrich the soil.
  • Designed with a slow-release formula, this plant fertilizer increases the time between feeding whilst stimulating plant growth over a longer period.
  • The Eden Vegetables & Leafy Greens 7-7-7 Organic Granular Fertilizer is perfect for pots, containers, and beds. Plants need more than water - they need the optimal balance of nutrients to bloom and grow. Eden Vegetables & Leafy Greens Neem Fertilizer feeds and protects.
  • Mix With Soil and Water Thoroughly.
SaleNo. 9
Miracle-Gro Performance Organics Edibles Plant Nutrition Granules - Plant Food with Natural & Organic Ingredients, for Tomatoes, Vegetables, Herbs and Fruits, 2.5 lbs.
  • Use Miracle-Gro Performance Organics Edibles Plant Nutrition Granules to feed tomatoes, vegetables, herbs, and fruits
  • OMRI listed plant food provides vital nutrients for bigger harvests (vs. unfed potted plants)
  • Enjoy Miracle-Gro results with organic and natural ingredients
  • Reapply every 4-6 weeks and water regularly for best results
  • Covers up to 220 sq. ft.
SaleNo. 10
Back to the Roots Back to Roots Organic All-Purpose Plant Food, 5lb
  • 100% Plant & Mineral Based! Safe & Sustainable — No Synthetic Chemicals or Factory-Farmed Animal Waste Inside!
  • See quick results with this well-balanced blend including kelp and alfalfa meal for long lasting nutrition, and mycorrhizae to promote strong root growth.

How to choose a good organic garden fertilizers

Does the idea of finding a fantastic organic garden fertilizers make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in organic garden fertilizers. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top organic garden fertilizers products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top organic garden fertilizers on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top organic garden fertilizers brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top organic garden fertilizers based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the organic garden fertilizers were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good organic garden fertilizers, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your organic garden fertilizers.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting organic garden fertilizers for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our organic garden fertilizers. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what organic garden fertilizers should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on organic garden fertilizers.