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Anca Novacovici

Professional Eco Expert

Best Organic Fertilizer & Best Eco Friendly Fertilizers

Our quest to enhance our soils and increase yields has led to the creation of synthetic chemical fertilizers, many of which have caused massive environmental problems. With the rise of the green movement, there has been a push to find ways to not only make our yards greener, but also ensure that we are doing our part to protect the natural environment.

When determining what type of fertilizer is right for you, it is important to know what the current state of your soil is. There are many simple testing devices that you can buy to perform a soil test. Once you have identified which nutrients your soil needs, and what types of gardening you will be doing, then it is time to pick an eco-friendly fertilizer. This generally means using organic products, but don’t judge a product solely on whether it has an organic label or not. The more important thing is that you choose a slow releasing fertilizer, meaning that it releases its nutrients over a period of time, instead of shocking your soil and plants all at once, also known as a growth spike.

You will find that there are numerous types of organic and eco-friendly fertilizers. They all fall into one of four categories: plant substances, animal processing by-products, mineral based, and compost. Each has its own benefits and disadvantages. The fertilizers chosen on this list are all solid fertilizers as opposed to liquid fertilizers. Solid fertilizers tend to be slower releasing and are easier to control when applying. Most products listed will be all-purpose fertilizers, but a few may be for specific purposes if they are really great products.

The best organic fertilizer helps you produce abundant garden crops without causing environmental problems. We suggest the best eco friendly fertilizers to fit your gardening needs.

Best Eco Fertilizers by Anca Novacovici

The Best You Can Get

  • North County Organics Stress-X

    Anca says: This green fertilizer uses dried and pulverized kelp to feed your plants. Kelp contains natural plant growth hormones and elements that help to promote plant growth and increase your plants’ resistance to stresses such as disease and insect attack. Stress-X is Organic Materials Review Institute (OMRI) certified as well. This product from the sea will produce results that you can see.

    • 0.35 oz. to 3.3 lbs.
    • Kelp extract
    • Plant growth hormones and trace elements
  • Cottonseed Meal

    Anca says: This natural fertilizer is made from the byproduct of cottonseed oil manufacturing. A large percentage of the nitrogen is water insoluble, which means that the nitrogen will stay in your garden and not leach into the surrounding water supply. Cottonseed Meal is great for trees, shrubs, and grasses. It is sold in both 4-lb. and 50-lb. containers.

    • 4 lbs. to 50 lbs.
    • Ground cottonseed
    • Nitrogen phosphorous potassium (NPK) content percentage of 6-1-1
  • TerraCycle Granular Fertilizer

    Anca says: This product makes the list not only because it is a great organic fertilizer product made out of worm castings, but also because of the company that makes it, TerraCycle. In the last few years, TerraCycle has become known as one of the most innovative and eco-friendly product manufacturers around. They have a knack for making products out of recycled materials and which won’t cause the environment any harm. The Granular Fertilizer comes in a recycled milk jug and is fully recyclable when you are done using it. This product is safe for animals, humans, and your plants and soil.

    • 1-gallon
    • Worm castings
    • NPK content percentage of 5-1-1
  • Dr. Earth Organic 7 All Purpose Fertilizer

    Anca says: The Dr. Earth brand of organic fertilizers is very well respected in the gardening community. They offer many types of organic fertilizers, and one of the most popular is the Organic 7 All Purpose Fertilizer. It is a mix of fish bone meal, feather meal, alfalfa meal, mined potassium sulfate, phosphate, seaweed extract, and PRO-BIOTIC seven champion strains of beneficial soil microbes plus Ecto and Endo Mycorrhizae. This product will release nutrients to your garden over time, help build healthy soil, and can be used in all gardening applications.

    • 4 lbs. to 25 lbs.
    • Blend of plant and animal meal, as well as PRO-BIOTIC
    • NPK content percentage of 4-4-4
  • Cockadoodle Doo

    Anca says: This product not only has a catchy name, but it is a completely safe option for fertilizing your gardens. It is made from chicken manure, so there are no added chemicals, and it creates a use for a waste product that many farms have an excess of. You can buy it in 6, 20, or 40 lb. sizes depending on how much you need.

    • 6 lbs. to 40 lbs.
    • Chicken excrement
    • NPK content percentage of 4-2-3

You will be happy with any of these

  • Nitron Industries Alfalfa Meal

    Anca says: Adding alfalfa meal to your garden is a great way to reintroduce the elements and minerals that are depleted after heavy gardening. This organic fertilizer replaces the sugars, starches, elements, and minerals that your plants need to stay healthy. It works well with all different kinds of plants, including bushes, shrubs, flowers, and vegetable. The one thing to be careful of with this product is that it is a rapid decomposer, so it generates a lot of heat. If you put it to close to the root zone in your garden, you can burn and damage the roots of your plants.

    • 5 lbs. to 25 lbs.
    • Alfalfa meal
    • NPK content percentage 3-1-2
  • Soil Mender Organic Worm Poop Fertilizer

    Anca says: Worms are the original gardener’s helper. They are forever at work in our gardens and yards, aerating our soil and breaking down organic matter into nutrient rich organic matter. With Organic Worm Poop fertilizer, you can give your garden a boost by adding one of nature’s original fertilizers. Worm castings or worm manure, are great for potting, planting, and soil enhancement and will work well with all different kinds of plants and applications. This product is unique and provides better quality than other worm casting products because the worms used to make this product don’t eat garbage, they eat a special blend of organic ingredients. It is completely safe for pets and kids and won't hurt the environment.

    • 5 lbs.
    • Worm casts
    • Many different nutrients and kinds of organic compost
  • Gardener’s Supply All Purpose Fertilizer

    Anca says: This product is a Gardener’s Supply exclusive, and is a good choice if you are looking for a general-purpose fertilizer. It is 100% organic, and is guaranteed not to burn your plants’ roots. This product is slow releasing, so that it provides nutrients to your soil and plants over time, and allows plants to grow at their desired pace. You can use this product in gardens that have fruits, vegetables, flowers, and plants.

    • 5 lbs. to 25 lbs.
    • Naturally occurring minerals, peanut meal, and animal or vegetable meal
    • NPK content percentage of 5-5-5
  • Nitron Industries Bat Guano

    Anca says: This product is high in phosphorous; it is a good product to use on soils that are nutrient depleted. The Bat Guano is made from the excrement of bats and is odorless and completely safe to use in your yard. It is 100% organic and can be used with all types of plants. This product is a little more expensive than other fertilizers, and it is worthwhile to check where the product is coming from as well, as sometimes it is brought over from overseas. But overall, this is a good choice for an organic fertilizer that doesn’t have any chemicals and will give your garden a much-needed boost.

    • 5 lbs. to 25 lbs.
    • Bat excrement
    • NPK content percentage of 3-8-1
  • Fox Farm Peace of Mind All Purpose Fertilizer

    Anca says: This product combines many of the best known organic fertilizers to create a solid all purpose fertilizer that is sure to leave you feeing better about your garden and your impact on the environment. This product is recommended for planters, vegetable gardens, and flower gardens. Its formula has been fine tuned to be able to provide both slow release nutrients as well as quick acting nutrients so that your soil and plants will have the nutrients they need at all times. It is usually only sold in smaller boxes, but it can also be found in 18-lb. bags if you look around.

    • 4 lbs.
    • Blend of natural minerals, animal and plant meal, mycorrhizae, and humic acid
    • NPK content percentage of 5-5-5

Related Articles

We recommend the best organic fertilizer that will give your plants the food they need without harming the planet. Our best eco friendly fertilizers feature the best from TerraCycle, Dr. Earth, Nitron and others that work to improve the right mix of organic products for the best fertizlizer. This best organic plant food is the highest quality, always at the best price.