Best Fertilizer For Tomatoes With Essential Nutrients

Ian Mutuli
Updated on
Ian Mutuli

Ian Mutuli

Founder and Managing Editor of Archute. He is also a graduate architect from The University of Nairobi, Kenya.
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Fertilizers are compounds given to crops to increase their yield. Even the best tomato fertilizer will ensure that the tomatoes are healthy, produce large fruits, and increase the yields.

In addition, it should be stated that tomatoes require different combinations of nutrients at different stages of growth. It might be hard for an amateur in tomato cultivation or gardening to ensure the correct and accurate application of fertilizers for tomatoes. This article will make it easier and make you understand what is expected of you .

What is the Importance of Fertilizers?

Fertilizers are necessary because they address pest problems, nutrition deficiency, and soil infertility. They supply the needed nutrients, such as nitrogen, potassium, and phosphorus, for plant growth.

They also improve the water-holding and storing capacity of the soil while at the same time improving its quality. Furthermore, the fertilizers will also enhance and expand the root depth.

Further, the fertilizers have a quick impact on the crops making them resistant to pests and reducing the use of pesticides and herbicides. That said, here are the top five fertilizers for tomatoes.

1. Dr. Earth Home Grown Tomato, Vegetable & Herb Fertilizer

Sale
Dr. Earth Organic 5 Tomato, Vegetable & Herb Fertilizer...
  • For more nutritious and tasty vegetables
  • Optimum levels of primary plant nutrients
  • Contains no GMOs, chicken manure or sewage sludge
  • Feeds for several months
  • Made with 100% organic and natural ingredients

Dr. Earth Home Grown Tomato, Vegetable & Herb liquid Fertilizer is another great option formulated with all organic components like chicken manure, kelp meal, bone meal fish emulsion, fish bone meal, alfalfa meal, and seaweed extract.

Dr. Earth Home Grown Tomato, Fertilizer tea promotes tomato plants' healthy and productive maturity and other vegetables. This product is also enriched with multi-minerals, proteins, carbohydrates, and humic acids that help promote healthy and nutritious soil. Dr. Earth’s fertilizer tea is a bit more expensive than other products, but it is a high-quality product that will give great yields.

Pros:

  • Increases plant performance.
  • Enhances the nutrient absorption.
  • Feeds for several months.
  • Results to nutritious and tasty vegetables.

Cons:

  • Has an unpleasant smell.

2. Tomato Fertilizer 4-18-38 Powder- Water Soluble Plus Micro Nutrients 

Tomato Fertilizer 4-18-38 Powder 100% Water Soluble...
  • 5 Pounds of Greenway Biotech 100% Water Soluble Tomato Fertilizer...
  • Contains 4% Nitrogen, 18% Phosphorous, 38% Potassium, Boron,...
  • Professionally Formulated with Highest Quality Ingredients
  • Great for Hydroponics and Soil Use
  • It Doesn't Have any Heavy Metals or Harmful Materials

Greenway Biotech Tomato Fertilizer is another perfect option that contains 100% water-soluble components plus traces of minerals. The water-soluble fertilizer contains 4% Nitrogen, 18% Phosphorous, 38% Potassium, and other micronutrients like iron, boron, and magnesium, which tomatoes need and that will help with tomato germination is effective for the growing season.

This professionally formulated water-soluble fertilizer has come in a package that contains five pounds of the product that will compost tea of up to 1000 gallons of liquid plant food. The advantage is that the fertilizers do not contain heavy metals or hazardous components that will harm the plant or the environment.

Pros:

  • A perfect option for heavy feeders.
  • Ensure your tomato plants receive the proper amount of nutrients.
  • Great for both container planting and garden fertilizing.
  • Promotes fruit development.

Cons:

  • A bit pricey.

3. Jobe’s- Tomato Fertilizer Spikes For All Tomato Plants

Jobe's Tomato Fertilizer Spikes, 18 Spikes
  • Pre-measured fertilizer spikes nourishes at the roots; Time...
  • Easy to use fertilizer spikes; No wasteful runoff, no mess,...
  • Continuous supply of nutrients below the surface, where the...
  • Jobe’s spikes feeds for 8 weeks; Continuous nourishment for...
  • Guaranteed fertilizer analysis: (6-18-6) 18 spikes in waterproof...

Continuing on our list is Jobe's tomato fertilizers which is you can carefully or spraying them. Jobe’s tomato is the best tomato fertilizer that works greatly for eight weeks within the soil for the tomato plant’s active roots. These fertilizer spikes give nutrition to tomatoes planted in containers and the ones in the garden.

These Jobe’s tomato spikes are pre-measured and provide nutrients to the plant through the plant's roots, promoting active germination. In addition, the fertilizer is easy to use and does not cause hazardous mess or smells.

A benefit of using these fertilizer spikes is that they will not be easily washed away by rain compared to those applied on the soil or plant surface. In addition, tomato fertilizers have an NPK ratio of 6-18-6.

Pros:

  • Easy to use.
  • No-mess and odor-free.
  • Provides an 8-week continuous amount of food.
  • Affordable.
  • A high content of phosphorus that promotes healthy root growth.

Cons:

  • Does not have a more organic version.

4. Tomato-tone Organic Tomato Fertilizer

Sale
Tomato-tone Organic Fertilizer - FOR ALL YOUR TOMATOES,...
  • An all natural and organic plant food enhanced with thousands of...
  • It is perfect for all tomatoes, helps prevent blossom end rot and...
  • It is specifically formulated to produce consistently plump,...
  • Power Source Type: Manual
  • A complete plant food with all 15 essential nutrients

Tomato-tone Organic Fertilizer is all organic and natural that will guarantee good and high yields. It is enhanced with major microbes and is approved and tested for organic farming or gardening. This fertilizer is ideal for tomatoes. It will provide safe and constant feeding for a couple of weeks.

This plant food is good at preventing blossom end rot and will give you organically grown tomatoes that are juicy. The fertilizer is formulated with all 15 nutrients that will promote healthy germination. It also contains an NPK ratio of 3-4-6, which will work great in all fruiting plants.

The tomato tone organic plant food is an environmentally safe product that does not contain hazardous components that can cause pollution. In addition, it has slow-release nitrogen that is in the right amount needed by the plants.

Pros:

  • Provide the right amount of nitrogen needed for tomato production.
  • Contains all 15 essential nutrients needed for healthy and strong tomato growth.
  • Helps prevent blossom end rot.
  • Provides a reliable, constant, and whole balanced feeding.
  • Promotes fruit development.

Cons:

  • Not a perfect option to use for leafy greens.

Types of Fertilizer

There are two types of fertilizers for a tomatoes plant; liquid and granular.

1. Liquid Fertilizers

Liquid fertilizer is a form of fertilizer that could either be organic or non-organic. They are very concentrated and require water to dilute before application. There are several ways through which you can apply the fertilizer; it could either be through spraying the concentration or watering the plants directly.

Pros:

  • Easy and quick to apply
  • Contains Phosphorus which absorbs best in the liquid form
  • Provide instant nutrients to the plants Better at balancing the pH of the soil 

Cons:

  • Usually more expensive than granular or water-soluble fertilizers
  • They are more responsive to volatilization

2. Granular Fertilizer

Granular compost is applied by sprinkling it close to the root base of your plants or by mixing it with the soil before you plant your tomatoes. It is then divided into two other categories quick release and slow release.

The quick-release nutrients are in an inorganic form that will break down quickly and will supply an instant nutrition boost to the plants. There are organic and inorganic slow-release fertilizers. The slow-release fertilizer requires time to release nutrients to the plants slowly during the growth period.

Pros:

  • Easy to apply and do not require preparation time
  • Renders consistent application
  • Can be applied for starter and in-season
  • Easier to handle

Cons:

  • Plants may not receive nutrients fast compared to the liquid form
  • It May have some effects on the soil's pH

Factors to Consider Before Purchasing the Best Fertilizer For a Tomato Plant

1. Condition of the Soil

The first factor that you must consider while purchasing the best fertilizer for tomatoes is knowing the status of the soil you will be planting your tomatoes. You can get the soil tested, and the macro and micronutrients of the soil will guide you on what compost you can get.

2. Stage of the Tomato Plants

One type of fertilizer used in the growth cycle of tomatoes is crucial, and it is essential to understand the stages. For example, if your plant is sprouting, then you will need compost with high phosphorous, like Miracle-gro water-soluble tomato plant food, to help develop the plant's roots and make them strong.

You will also require a tomato fertilizer at this stage as the tomatoes are flowering for fruit development. When the plant is in the flowering state, then the requirement for nitrogen is minimal. Nevertheless, you should add phosphorus, potassium, and calcium that encourage fruit development and prevent blossom end rot.

3. Chemical Fertilizer Content

Fertilizers consist of micro and macro elements that are essential for the growth of the plant. It is essential to understand what your plants require for the selection of a tomato fertilizer. Minerals and organic substances present in micronutrients are useful for fertilizing tomatoes. They may include boron, chlorine, copper, iron, manganese, molybdenum, sulfur, and calcium.

On the other hand, the macronutrients are packed with three main vital nutrients; nitrogen (N), phosphorus (P), and potassium (K). Nitrogen will stimulate the natural production of chlorophyll, Phosphorus will promote the growth of roots, stems, and fruit production, and Potassium helps plants produce strong stem and root systems.

It is important to know that most brands will indicate the components of the fertilizers. Most of them, for example, will have the nitrogen NPK ratio of 4-6-4, respectively. The ratio will indicate the percentage of the components.

4. Organic Tomato Fertilizer Options

Organic tomato fertilizer comes from natural ingredients with low nitrogen, phosphorous, and potassium (N P K), but they provide high micronutrients. The greatest advantage is that organic fertilizers are less likely to damage or blossom end rot your tomato plant. Organic fertilizer is a great option because they contain beneficial microbes, fungi, and bacteria. In addition, organic ingredients like soil microbes will help boost soil and plant health.

When Should I Fertilize my Tomato Plants?

Fertilization should be done first when you are planting your tomatoes. Then you could do it again when your plant starts flowering or went it start growing fruit. You could also apply an extra light fertilizer at least once or twice in two weeks.

Apply the best fertilizer for tomatoes to the soil you intend on planting the tomatoes. You could opt for the liquid fertilizer or the Granular fertilizer at this point and then work on the soil lightly and grow your plants. While flowering, you can opt for the Liquid tomato fertilizer because they are easy to apply at this level.

Signs of Tomato Over-Fertilization

If you are worried that your vegetables or plants are over-fertilized, you could tell by looking at the listed signs. However, it should be noted that container-grown plants are affected more than those grown in the ground soil.

a) Yellowing leaves; Having yellow leaves can be caused by excess nitrogen, leading to less or minimum water absorption.

b) Sudden leaf loss

c) Wilting of lower leaves

d) A heavy build-up of fungi, sediment, and debris on the top of the soil

e) Bushy leaves and decayed flowers. 

f) Black brown or rotting roots

How to Fix Over-Fertilization

Reversing the impacts of using too much fertilizer is feasible; however, it may take some time for the vegetables to return to proper health. Nevertheless, there are a few steps you could follow if you want to reverse over-fertilization.

First, you could use mulch on the soil to help treat excess nitrogen in the soil. Second, you could rake off the top layer and discard it if you see sediment and debris build-ups. Lastly, if you plan to have container-grown plants or vegetables, you could soak the soil in water and dry it out, and you could do this a few times before planting.

Frequently Asked Questions on the Best Fertilizer For Tomatoes

1. What is a good natural fertilizer for tomato plants?

As for an excellent natural fertilizer for tomatoes, a cottonseed meal is among the best. You will only need to combine the cottonseed meal in the soil before planting. The cottonseed meal is a good tomato fertilizer because it is rich in nitrogen, phosphorus and potassium in the ratio of 6:2:1.

2. How often do you put Epsom salt on tomatoes?

Spray the plant using a mixture of Epsom salt and water to boost the fruit and keep vegetation dense and green. It should be combined as one teaspoon of the Epsom salts and a litter of water. Then spray the foliage on the tomatoes with a spray bottle.

3. Do my tomato seedlings need fertilizer?

Of course, tomato seedlings will need the best fertilizer for tomatoes to help with the roots, stem, and foliage growth. The fertilizer will fasten the germination process and will see it through the growth till the flowering stage, where you will need fertilizer.

Ian Mutuli

About the author

Ian Mutuli

Founder and Managing Editor of Archute. He is also a graduate architect from The University of Nairobi, Kenya.
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