What is the best organic fertilizer for vegetables? In this article, we will discuss different varieties of fertilizers and how to choose which one is right for your garden. We’ll also talk about how to use it properly.

Organic vegetable fertilizers are safe, effective ways to grow healthy plants with plenty of nutrients. You can find them in four main types: liquid, granular, compost tea, and soil drenching.

Best Organic Vegetable Fertilizer

1. AgroThrive Organic General Purpose Fish Fertilizer (3-3-2 NPK)

Last update on 2022-05-20

We all love organic living, but sometimes we don’t know how to manage it. That’s where AgroThrive Organic General Purpose Fish Fertilizer (3-3-2 NPK) comes in! This is a liquid fertilizer that is derived from fish and grain which will provide your plants with the ingredients they need while also activating their microflora for easier nutrient release. The 3-3-2 NPK means this product will help promote vigorous root and foliar growth. Whether you’re seeding or maintaining, this Organic General Purpose Liquid Organic Fertilizer can do the job wonderfully!


  • All Organic & Natural
  • Formulated for Everything that Grows
  • Pre-Digested Fish & Vegetable Proteins


  • Not a convenient design of the container

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

Last update on 2022-05-20

Dr. Earth Organic 5 Tomato, Vegetable & Herb Fertilizer is formulated with an optimum balance of nutrients for vegetable and tomato gardens as well as herb farming. This fertilizer contains no GMOs or chicken manure or sewage sludge and it’s made of 100% organic and natural ingredients including a pro-biotic which will result in more abundant crops with vegetables that are nutritious and tasty!


  • Non-GMO
  • Made with 100% organic and natural ingredients


  • The fertilizer has a pungent smell

3. Jobe’s Organics All Purpose Granular Fertilizer with Biozome

Last update on 2022-05-19

This organically approved fertilizer with biozone is fast-acting and perfect for fruits, vegetables, shrubs, and trees. Lightweight and easy to use as well as being OMRI listed by USDA means this all-purpose granular fertilizer will make your plants grow fuller faster. This mix includes our proprietary microorganism that aggressively breaks down plant material making it easier to compost – feeding the soil just what it needs to thrive during the growing season!


  • No Synthetic Chemicals
  • Organic Fertilizer
  • Promotes Root Growth
  • Improves Nutrient Absorption


  • The fertilizer has a pungent smell

4. Miracle-Gro Shake ‘N Feed

Last update on 2022-05-20

Shake ‘N Feed is a specially formulated growth booster that will give your fruits and vegetables an extra boost of energy to produce stronger cell walls while also extending their shelf life. Use in-ground or in containers for the best results!

Plus, it helps prevent disorders usually associated with calcium deficiency such as plant diseases and leaf curl.


  • Handy packaging
  • Odorless


  • Uncomfortable fertilizer cap

5. Espoma GT4 4-Pound Garden-Tone 3-4-4 Plant Food

Last update on 2022-05-20

Espoma Garden-tone Plant Food is made with 100% natural and organic ingredients with no fillers or sludges, for delicious vegetables. Garden-tone is formulated with exclusive Bio-tone Microbes that provide long-lasting, slowly releasing feedings for your favorite herbs too! Toneless plant food will provide a rich yield of colorfully juicy fruits and vegetables this season.


  • 100% natural & organic
  • Exclusive Bio-tone Microbes


  • Pungent smell

Improves Soil Quality

Organic fertilizers are derived from sources that contain carbon, such as animal manure, green plant material (leaves and stems), composted kitchen scraps or peels, seaweed, fish emulsion, or hydrolyzed chicken feathers.

It is important to be aware of the different types because each one has its own strengths and weaknesses. For example:

-Liquid fertilizer can provide nutrients on a regular basis but it needs to be applied every other day for best results. And you will need to adjust your mixtures periodically because they tend to break down over time.

-Granular organic fertilizer provides nutrition in concentrated doses so it’s less likely than liquid forms that plants will get burned by too much nutrient content at once.

How to Choose organic fertilizers

There are a lot of options for organic fertilizers. It would be impossible to list every kind here, so the best way is to know how to choose them correctly according to your needs and plants’ requirements. For example:

-If you want just one type of fertilizer that can work on all different types of vegetables then you should get an organic granule blend with balanced NPK (nitrogen, phosphorus, potassium) ratios like this one.

-Organic starter solution only works when added at the beginning stages of plant growth or during propagation which makes it ideal for seedlings or cuttings.

-But if you’re looking for something specific as your main source of nutrients like nitrogen or phosphate then look into getting some liquid organic fertilizer.

The first thing to consider when you’re choosing organic fertilizer is what kind of soil the plants are growing in. Since different fertilizers have their own strengths and weaknesses, it’s important to match your plant with the right one so that they can get exactly what they need for optimal growth.

Soil pH level: Plants absorb nutrients from the soil in a form called ionic particles. The type of nutrient depends on whether or not there is an acidic or basic environment at play- this means that if your soil has too much acidity (low pH) then certain types of minerals will be absorbed by vegetables faster than others because these ions are more readily available. So specifying which minerals you would like to encourage also entails knowing about how various soil compositions affect the uptake of a plant’s nutrients.

How to use organic fertilizers

One of the simplest ways to increase organic fertilizer levels in your soil is by rotating crops. In a traditional crop rotation, you would plant a specific type of vegetable on one section of land for only one year before moving it elsewhere and allowing another species to occupy that space as long as possible. Once every few years, you could switch up what occupies each part of your farm so that certain types do not deplete particular nutrients from the soil over an extended period.

There are also other methods such as planting cover crops- these are plants like legumes or grasses which can be grown between seasons then turned into compost with materials such as dried leaves and weeds in order to reduce mineral depletion while simultaneously improving overall fertility through adding carbon back into the soil.

Organic fertilizers are also an option, the most common of which is cow manure. You will want to avoid using any animal byproducts such as chicken or fish waste unless they have been sitting in a pile under your sun for weeks (these may not be allowed at all).

If you do decide that you’d like to fertilize with cow manure you will need to be sure that the animals were only fed organic feed and were not treated with antibiotics or hormones.

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