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The 8 Best organic lawn fertilizer of 2024

Are you trying to find organic lawn fertilizer 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 lawn fertilizer 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 19 hours of research and did 29 organic lawn fertilizer 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 lawn fertilizer you can buy today

SaleNo. 1
Jonathan Green (10251) Organic Lawn Food - 10-0-1 Grass Fertilizer (15,000 Sq. Ft.)
  • 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
No. 2
The Andersons 7-1-2 Innova Premium Organic Fertilizer - Safe for Kids & Pets 5,600 sq ft (40 lbs)
  • OMRI-listed organic fertilizer safe for use around kids, pets, and environmentally-sensitive waterways
  • 100% plant-derived; does not contain biosolids, manure, composted waste products, or animal parts
  • Delivers nitrogen, phosphorus, potassium, and amino acids; slow-release formula provides extended feeding without the risk of over-applying or burning your lawn
  • Low-dust, homogeneous granules make application easy
  • Perfect for all grass types and climates
SaleNo. 3
Jobe’s Organics 09524 Purpose Granular Fertilizer, 16 lb
  • Organic granular fertilizer; Fast acting fertilizer for flowers, vegetables, shrubs, trees & plants
  • 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, helps resist disease, insects, and drought during the growing season
  • Easy pour bag; Guaranteed analysis: (4-4-4) 1.5 pound resealable bag, (4-4-4) 4 pound bag, (4-4-4) 16 pound bag
No. 4
MicroLife Multi-Purpose (6-2-4) Professional Grade Granular Organic Fertilizer for All Plants All the Time, 40 LBS
  • EXTREMELY POWERFUL BIOLOGICAL AND NUTRITIONAL MULTI-PURPOSE FERTILIZER: contains over 100 + minerals, vitamins, natural plant hormones and stimulators, essential sugars/amino acids/carbon and protein plus more natural nutrients.
  • COMPLETELY ORGANIC: 100% slow releases, 2% iron, will not burn and easy to use; repeat every 3-4 months
  • IMPROVES ALL PLANTS AND SOILS: for all new and established vegetables, flowers, ornamentals, perennials, trees and bushes
  • BUILDS LARGER ROOT SYSTEMS AND ENHANCES PLANTS’ HEALTH: designed for all growers’ professional and beginners in mind who want dynamic plant growth; provides essential elements for water conservation and help to better withstand environmental stresses
  • MANUFACTURED FOR OVER 30 YEARS: One of the oldest and most accomplished manufacturer of all organic biological fertilizers in the U.S. All products are made in small batches from top quality ingredients. All ingredients are honestly listed on the packages. Favored by organic growers, co-ops, landscape professionals and universities.
No. 6
Root Organic Lawn Fertilizer - Grass Fertilizer for Lawn with Potassium for Root Growth, Lawn Fertilizer That Conditions Soil, No Harsh Chemicals Lawn Care, 32 oz Lawn Food for 5,000 sq. ft.
  • REVOLUTIONARY YARD FERTILIZER: Unlike traditional grass fertilizer, our organic lawn fertilizer addresses the main grass root & soil health factors instead of simply providing excessive nutrients.
  • FASTER ROOT GROWTH: Plant food with Potassium for roots to grow faster – this liquid lawn fertilizer has kelp, humic acid, & proper nutrients for an exceptional-looking, longer-lasting, vibrant lawn.
  • CONDITION & STRUCTURE SOIL: Summer & spring fertilizer for lawns with high levels of organic carbon, amino acids, and biostimulants for soil structuring & conditioning to help promote plant growth.
  • REDUCED RISK OF DAMAGE: STAG’s fertilizer for lawns doesn’t overfertilize & reduces the risk of damage to grass & root zones by providing necessary nutrients readily absorbed and utilized effectively.
  • ORGANIC INGREDIENTS: Kids & pet friendly fertilizer for lawns with organic ingredients, no harsh chemicals to prevent burning. Our lawn care products maintain healthy lawns & protect the environment.
  • SUPERIOR LIQUID FERTILIZER: We ensure that our 32-gallon, 5,000-square-foot lawn food for grass has a premium formula so you can enjoy a superior-looking lawn that makes neighbors envious.
No. 7
Espoma LL30 Organic Lightning Lime Fertilizer, 30 lb
  • All Natural Fast Acting Lime Approved For Organic Gardening
  • 5 Times The Coverage Of Regular Pelletized Limestone
  • Dust Free Formula Adjusts Ph Fast (Just 6-8 Weeks)
  • No Assembly Required
No. 8
Organic Kelp Fertilizer by GS Plant Foods - Omri Listed(1 Gallon) - Liquid Kelp Concentrate for Gardens, Lawns & Soil Yields 800+ gallons
  • OMRI ORGANIC LISTED SEAWEED & KELP FERTILIZER: Liquid Kelp is a natural plant food that provides a range of benefits for plant health and nutrition. OMRI listed for organic use, GS Plant Foods Liquid Seaweed Fertilizer is a completely natural, seaweed extract fertilizer for plants. Our liquid seaweed will optimize soil conditions for greater root mass and improve nutrient uptake. It can be applied without concern for harmful chemicals or nutrient loss to the environment.
  • ONE OF NATURE’S ‘MIRACLE’ PLANT FOODS: Made from the finest seaweed plant Ascophyllum Nodosum, this is one of nature’s miracle plant foods. Our seaweed extract improves your plant’s tolerance to excessive heat, wind, drought conditions and more. It increases and stabilizes chlorophyll in plants, which results in darker green leaves and increased sugar content in plants.
  • IMPROVES OVERALL PLANT NUTRITION AT HOME OR COMMERCIALLY: GS Plant Foods sea kelp fertilizer is used extensively on a commercial basis, as well as at home for gardeners as an organic soil conditioner. Using GS Plant Foods seaweed plant fertilizer will lead to improved nutrient uptake and general plant wellbeing.
  • EASY TO APPLY FOR NATURAL GREAT RESULTS: Apply liquid kelp to improve growing conditions in all growth stages. To use, simply mix 2 ounces of this liquid fertilizer concentrate organic into a gallon of water and apply. Each gallon of this mixture will then cover as much as 1,000 sq ft. Any sprayer will work, but for large areas, the hose end sprayer is easiest! This liquid kelp should be sprayed in the morning or late afternoon when temperatures are lower, and the leaves stoma are open.
  • TRUSTED & RELIABLE: At GS Plant Foods, we understand that you are placing your trust in us to provide you with the highest quality organic seaweed fertilizer products available. We have 100% confidence in the quality of our products and continuously strive to deliver the best customer experience. Our products are organic, easy to use, cost efficient, sustainable, and yield consistent & amazing results in your garden, no matter what you're growing or what medium in which your plants are growing.
SaleNo. 9
Milorganite All-Purpose Eco-Friendly Slow-Release Salt-Free Nitrogen 6-4-0 Fertilizer Plant Food, for Flowers, Gardens, and Lawns, 5 Pound Bag
  • Milorganite provides the nutrients every garden needs to grow the biggest and greatest abundance of fruits, flowers, and vegetables! Composed of microbes that haven eaten well, died, and been dried.
  • Can be safely used in lawns, flowers, shrubs, trees and fruit and vegetable gardens, promoting strong roots and sturdier stems. Slow-release fertilizer that feeds for up to 8-10 weeks after application, and does not need to be watered-in.
  • Non-burning, easy to apply formulation, with a fertilizer analysis of 6-4-0. Rich in iron, it provides a rich green color and maintains it over periods of heat stress.
  • Stays in the root zone, avoiding groundwater or well contamination. Does not contain salts, so it is good for use in drought conditions or areas with water restraints.
  • Milorganite will not burn tender seedlings and can be used as a carrier when spreading grass seed. Has no negative aroma, and is best applied during the growing season.
SaleNo. 10
Jobe’s Organics 09526 Organic All Purpose Granular Fertilizer 4-4-4, 4 lb
668 Consomer Reviews
Jobe’s Organics 09526 Organic All Purpose Granular Fertilizer 4-4-4, 4 lb
  • Organic granular fertilizer; fast acting fertilizer for flowers, vegetables, shrubs, trees & plants
  • OMRI listed for organic gardening by USDA; certified organic means no synthetic chemicals
  • Easy pour bag; Analysis (4-4-4) 1. 5 pound reseal able bag; (4-4-4) 4 pound bag; (4-4-4) 16 pound bag

How to choose a good organic lawn fertilizer

Does the idea of finding a fantastic organic lawn fertilizer 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 lawn fertilizer. 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 lawn fertilizer 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 lawn fertilizer 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 lawn fertilizer 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 lawn fertilizer 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 lawn fertilizer 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 lawn fertilizer, 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 lawn fertilizer.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting organic lawn fertilizer 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 lawn fertilizer. 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 lawn fertilizer 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 lawn fertilizer.