Best Fertilizers For Tomatoes 2021: Reviews & Buyer’s Guide

1. Miraclee-Gro2. Miracle-Gro3. Schultz
Miracle-Gro Water Soluble Tomato Best Fertilizers For TomatoesMiracle-Gro Continuous Release Plant FoodSchultz Water Soluble Tomato Food

Do you have a passion for growing tomatoes in pots or gardens? This can be a very stunning plant to grow as well as it also provides you the opportunity to taste these pure, fresh, and red treats once you properly grow and produce it.Before you can eat this fruit, you will have to ensure the correct growth of the plant.


This is only possible when you add the best fertilizer for tomatoes. Apart from watering and nurturing the plant, the addition of the best fertilizer for tomatoes will ensure good growth and healthy tomatoes.

In the below section, you will get complete information on the best fertilizer for tomatoes’ growth.

Top 15 Best Fertilizers For Tomatoes 2021

1. Miracle-Gro Water Soluble Tomato

Miracle-Gro Water Soluble Tomato Best Fertilizers For Tomatoesn case you are finding the best fertilizer for tomatoes that works extraordinarily well on the tomatoes’ plants, then, you go for the Miracle-Gro brand. You can find the availability of this fertilizer in a bag of 1.5 or 3-pound.You will be amazed to know that this tomato fertilizer helps you grow better and bigger vegetables.

This product should be used every one to two weeks for the best results. Although it is popular and said to be tomato food, you can use this fertilizer for other vegetables in your garden. So, you do not have to purchase multiple fertilizers for multiple plants.

It works well for nitrogen-rich or balanced soil. Your plants will not burn if you use it as directed. Just, you require the mix the fertilizer with the water and spray over the plants to achieve the maximum benefits. The result will be beautiful and large tomatoes that are ready to pick.


  • Great to use on all types of vegetables
  • Provides instant and quick results
  • Safe for all plants
  • Results in more bountiful and bigger vegetables


  • The product is priced high, while the quantity is less.

2. Miracle-Gro Continuous Release Plant Food

Miracle-Gro Continuous Release Plant FoodThis is another best product from the brand Miracle-Gro. If you are looking for perfect and best fertilizer for tomato plants, then you can go for this product by Miracle-Gro brand. This fertilizer continuously releases food specifically contains calcium along with some normal nutrients. It is specially designed for vegetables as well as fruits.

The presence of micronutrients in it ensures that the plant grows stronger and become able to endure more fruits. You can find the availability of many natural ingredients in this product that effectively feeds the soil microbes.The best part about this product is that after applying it for one time can nourish the plants for more than 3 months. Also, you do not have to mix any water in it and consider the direct application onto the plants.

Calcium does not form an integral part of the plant food, but it can be advantageous. It is proved to be very effective in making the cell wall of plants stronger.This ensures better quality, and both the vegetables and fruits last longer. It also helps in the prevention of illness and disease, specifically in your edible crops.


  • Can be used in containers and in-ground
  • Contains calcium that prevents calcium deficiency in plants
  • Do not need frequent application
  • Presence of natural ingredients effectively feed soil microbes


  • Results are not as expected

3. Schultz Water Soluble Tomato Food

Schultz Water Soluble Tomato FoodIf you want to grow the garden vegetables and fruits fuller, bigger and healthier, Schultz Tomato Food Plant Food will be one of the best options.Indeed, this is one of the best fertilizer for tomato plants as it is loaded with all essential micronutrients. It is very easy to use and does not require any mixing.

This fertilizer is loaded with all the essential nutrients and best formulations that allow the plants’ faster growth. It also enhances a stronger root system.Not only that, this fertilizer specifically contains extended feed plant food, which helps to deliver slow-releasing nutrients and fertilizer steadily in the soil for up to 3 months.

This fertilizer’s NPK ratio is 17-18-28, which means that it contains 17% nitrogen, 18% phosphate, and 28% potassium, copper, magnesium, iron, zinc, and manganese. It always delivers the best results as it is very rich in its micronutrient content.


  • Concentrated formula contains essential micronutrients
  • Feeds like nature each time it rains
  • Helps in the growth of tasty vegetables, fruits, especially, tomatoes


  • Not ready to use and should be mixed with water

4. Dynamite Mater Magic Plant Food

Dynamite Mater Magic Plant FoodIf you wish to grow juicier and bigger tomatoes all season long, then, the Dynamite Mater Magic Plant Food will be the perfect option. It comes in an attractive, eye-catching tomato-shaped package, which is surely going to attract you.This natural and organic-based premium plant food is considered to be the best fertilizer for tomatoes. It specifically provides the nutrients that are required for the increased growth of your produce.

Also, this fertilizer is OMRI listed, which results in tasty, red, and organic tomatoes. Due to its simple application, you can easily enhance your yields. By opting for this formula, it is possible to provide almost everything required by your plants.The ultimate result is the production of more bountiful plants all through the season. This fertilizer also contains calcium that helps prevent end rot, and it does not require a frequent application as it feeds up to three months.


  • Tomato shaped bottle for cross-merchandising and great impact
  • Suitable for all landscape plants, flowering shrubs, trees, home plants, foliage, ferns, herbs, palms as well as grasses
  • OMRI or Organic Materials Research Institute listed
  • Helps to promote optimal growth
  • Contains balanced rates of NPK i.e., 8-5-5 with calcium


  • Does not contains magnesium
  • After analyzing the customer reviews for the product, it is found that it is a little pricey

5. Dr. Earth Organic Tomato Vegetable

Dr. Earth Organic Tomato VegetableOrganic fertilizers are considered the best for plants, and for those looking for the best fertilizer for tomatoes and peppers that are organic, this is the best choice for you. With the application of this fertilizer, you can get tastier and nutrition-rich vegetables along with herbs.

Not only that, but it also ensures that the plants get the appropriate quantities of the primary plant nutrients.As it is purely organic , it does not comprise GMOs, chicken manure, or sewage sludge. The best part about this product is that it has a probiotic in it, and therefore, it provides the plant almost everything that they need.

This fertilizer also provides 7 strains of favorable microbes to the soil, which ultimately leads to a bigger and better quality of produce.The NPK ratio of the product is 4-6-3, and so, it possesses more phosphorus than the potassium and nitrogen. So, it also works great in the soil as it is rich in nitrogen content.


  • Contains an advanced probiotic formula
  • Promotes rapid growth of cherry tomatoes
  • A superior blend of the vital plant nutrients
  • Can be effectively used for bare-root crops and winter as well as summer vegetables
  • Lasts up to 8 weeks


  • Emits pungent and strong odor when mixed with water

6. Espoma Store Tomato-tone Organic Fertilizer

Espoma Store Tomato-tone Organic FertilizerWho would not like to have juicy tomatoes growing in their kitchen garden? Well, with the help of Tomato-tone fertilizer by Espoma, you are assured of getting the best results. It is organic and gives good results. Also, this is enriched with a lot of microbes that are alive.

As the microbes can remove unwanted plant waste and so, the soil will surely benefit from its help. This is best to grow tomatoes and is proved to be very effective in preventing blossoms end rot. So, your tomatoes will get a balanced, safe, as well as consistent feeding.

You will be amazed to see the results when you consider the application of this fertilizer. The tomatoes in your garden will be plumper and juicier than ever before. The presence of 15 vital nutrients makes this fertilizer even better. The tested formula will provide you the desired results every time you use it.To provide a completed and balanced feeding, this product features a complex blend of different nutrients. You can also safely use it around children, pets, and other plants.


  • Contains N-P-K macronutrient ratio of about 3-4-6
  • The special formula produces juicy and plump tomatoes consistently
  • Contains 8% calcium that protects against blossom end rot
  • Safe to the environment
  • Does not contains any toxic ingredients


  • Active microbes can survive for only two years
  • Can burn other sorts of leafy vegetables if not used carefully
  • Emits strong, pungent odor

7. Jobe’s Tomato Fertilizer Spikes

Jobe's Tomato Fertilizer SpikesJobe’s fertilizer spikes are known to be the best option if you are looking for an easy to use formula. But, you should know that this specific product is not certified organic. Still, it possesses the appropriate amount of the fertilizer that provides nourishment to the tomato roots.

They are released slowly and ensure that the plant gets all the vital nutrients are provided to the plant. It will help to avoid specific issues related to runoff, messiness, etc. Also, the plants receive a continuous nutrients supply at the growth phase of the roots.

Each of the spikes forages the specific plant for 8 weeks. Sometimes, you can have to use more than one spike/plant, which is subject to many different aspects mentioned in the container.The N-P-K ratio of the fertilizer is 6-18-6, and so, it possesses a similar amount of nitrogen and potassium with more phosphorus. As it is rich in nitrogen; therefore, it tends to make the soil ideal.


  • Provides deep nourishment to the roots
  • Easy to use fertilizer spikes
  • Feeds for 8 weeks
  • Provides continuous nourishment to the tomato plants


  • Does not contains calcium

8. Espoma Tomato Plant Food

Espoma Tomato Plant FoodEspoma Organic liquid plant food suits best for tomatoes. You can easily grow perfect tomatoes with the help of this. It is loaded with all organic and natural ingredients and is enhanced with useful microbes, which helps produce flavorful and juicy tomatoes.

The best part about this fertilizer is that it is completely organic, and hence the tomatoes are free of any chemicals. Also, the N-P-K ratio of the fertilizer is 1-3-1. The product is provided with an easy dose lid, and so, it avoids any mess as you do not have to measure every time. It is easily mixed with water and feeds instantly. The formulation of this product is specifically approved for organic gardening.


  • Plant food concentrate
  • Aids in the production of best quality of vegetables and tomatoes
  • 100% natural and organic


  • As per the customer reviews, the price of this product is a little much

9. Miracle-Gro Performance Organics

Miracle-Gro Performance OrganicsMiracle-Gro Performance Organics is another best fertilizer for tomatoes that is going to show you instant results. It is made with all organic ingredients, OMRI lists this product and so, it is safe to use. This fertilizer not only suits tomatoes, but it can be used for the growth of herbs, vegetables, etc.

You can easily consider applying this fertilizer with the help of either a normal watering can or the Miracle-Gro Performance Organics Garden Feeder. To achieve the best results, you need to feed your garden plants every 7 days.When used in this Garden Feeder, it can specifically cover up to 265 sq. ft. This fertilizer is loaded with vital nutrients that give the best results each time.


  • Instantly feeds edible plants in containers and ground
  • Results in a bountiful harvest
  • OMRI listed plant food


  • Requires frequent application i.e. every 7 days

10. Burpee Organic Tomato

Burpee Organic TomatoAll those who love to have their kitchen garden are always looking for the best fertilizer growing tomatoes and many other vegetables. It is formulated in such a way to deliver quick and long-term outcomes for all sorts of herbs as well as vegetables.

As these granules can be easily applied , it immediately releases the vital nutrients to offer an unremitting stream of the plant food for about 3 months. The ultimate result is vigorous and green foliage throughout the season.The presence of beneficial nutrients and microbes makes it one of the best fertilizers for tomatoes.

As a result, the plants will provide the best tomatoes every time.OMRI also listed this fertilizer suitable for organic use. Not only that, but this is also considered to be the ideal option for seed starting, patio container plants, traditional vegetable gardens, as well as young bedding plants.


  • Contains calcium and other minor nutrients
  • Promotes robust root development
  • Fosters healthy growth of the plant
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  • List of ingredients not mentioned

11. Miracle-Gro Water Soluble

Miracle-Gro Water SolubleIf you are thinking about the best fertilizer for tomatoes and other vegetables and herbs, then Miracle-Gro Water Soluble Plant Food will be an effective choice. You can easily grow fresh vegetables and tasty herbs with this formulation.With Miracle-Gro, you will relish delicious as well as bountiful yield. Also, it feeds your garden easily and instantly. For this, you need to only mix it with the water and spray on your plants every 7 to 14 days.

The best feature of this Miracle-Gro Water Soluble Plant Food is that it suits tomatoes, vegetables and herbs. This does not burn your plants if used as directed. So, you can use this for squash, tomatoes, carrots, basil, cucumber, and some other vegetables and herbs.


  • Contains all-natural ingredients
  • Feeds instantly to promote best results
  • Results in more harvest if used along with Miracle-Grow soil


  • Can burn acidic plants

12. Botanire Cal-Mag

Botanire Cal-MagIf you are looking to choose a custom-designed formula, you can surely go for cal-mag plus 2-0-0, popularly known as Botanicare Cal-Mag Plus Plant Supplement. It contains all the vital plant nutrients supplement such as magnesium, calcium, iron, and trace minerals. So, for those who are looking for the best nutrient supply for their plants, this is the product you can choose.

So, this fertilizer is highly effective if your plant is suffering from magnesium, calcium, or iron deficiencies. The ingredients used in this specific product are 2% nitrogen, 0% phosphorus, and 0% potassium.It works great for occasional magnesium deficiency. If the plant’s stems turn purple, leaf tips curl down, or brown spots and yellowing appear on lower leaves, this formula is considered very effective. All that you need is to add this to your regular feeding. You will also get a 1-year warranty on this product.


  • Custom designed formula
  • Rich in calcium and provides strength to the plant wall
  • Available with a 1-year warranty


  • Some users complained about burned leaves

13. Unco Industries Worm

Unco Industries WormWorms are good for plant health. They help in increasing the nutrient value of the soil. So, if you are looking for the best fertilizer with worm casting, then Wiggle Worm Soil Builder pure earthworm castings are the best choice. The natural formula of this product promotes the growth of the plant. You will require only a small amount of it in or around your houseplants, flowers, and vegetables.

Also, you could easily observe the wonders of the earthworm in the stunning harvests and the growth of your plants. There is the presence of a lot of nutrients in this particular earthworm castings. The nutrients are again properly balanced, specifically in two forms.

One of the forms can be engrossed by the plant immediately if it were injected unswervingly whereas, the other form works to offer nutrition that feeds the plant for long.This soil builder is also an affordable option to consider as small amounts provide the best and long-lasting results.


  • Odor-free and non-toxic
  • Best for vegetables, houseplants, flowers and more
  • 100% organic fertilizer made with pure earthworm castings
  • Required in a very small amount


  • Some of the customer reviews suggest that this product comes with little weeds in it

14. Earthworm Technologies Teadrops

Earthworm Technologies TeadropsIf your passion is to grow peppers and tomatoes, then the TeaDrops Premium Tomato+Pepper Organic Vegetable Fertilizer from the brand Earthworm Technologies will surely be the best one to consider. It is100% natural and well-balanced biological fertilizer.

This fertilizer comes loaded with pure worm castings, vital minerals, humic acids, nutrients, and helpful plant root microbes. It effectively helps to create flourishing plants, fresh and bright red peppers, and tomatoes. Not only that, but this biological fertilizer also helps in the maximization of flower production.It leads to excellent plant growth by stimulation of the natural growth hormones of the plants. You will not require a measuring spoon while using this fertilizer. This makes it a user-friendly option.

The fertilizer is available with 16 packets of tea that you can use throughout the season and for indoor plants and garden vegetables. You can even use it to feed Dwarf Meyer lime, orange, lemon trees, and succulents. The product’s formulation is tested and is recognized as a Non-GMO, 100% organic, and biodegradable product. It will not burn your plants and be considered the environment, pet, and child-friendly option.


  • 100% natural balanced proprietary biological plant food formula
  • Great value for money
  • Always produce effective results
  • Can be used for all sorts of garden vegetables


  • A bit expensive option
  • Not suitable for those plants which require higher levels of macro-nutrients

15. Bonide Rot Stop Tomato Blossom

Bonide Rot Stop Tomato BlossomIf you are looking for an effective fertilizer to treat calcium deficiency in plants, one of the best options is the Bonide Rot Stop Tomato Blossom End Rot Concentrate.It prevents blossom end rot seen on tomatoes and some other vegetables, and thus considers to be the best fertilizers.

You should put on this formulation to the emergent fruit and foliage, specifically after periods of fast growth or heavy rain.Plant food also uses nutritional calcium that is specifically derived from calcium chloride as the major active ingredient.

Rot Stop can again found to be effective in correcting calcium deficiencies for melons, cucumbers, and peppers.This product is very easy to apply as you can instantly mix it with water and apply it to make use of a tank sprayer or hose-end sprayer. But you should always use the product according to the label directions.


  • Easy to apply
  • Can be used for multiple purposes
  • Rich in calcium content
  • Foliar fertilization


  • The direct application may burn the leaves, and so, you should only use it as directed
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Factors To Look For When Buying Best Fertilizer For Tomatoes

While you search on the internet, you will come across different fertilizer options and varieties. But, when it comes to choosing the right one, you need to select the one that is loaded with high nutrient value. There are certain other factors that we need to consider, and these are listed below:

1. Soil Condition

You need to do a soil test that will help to know whether your garden is suitable for growing tomatoes or not. In this regard, a soil analysis shows the current levels of all-important micronutrients and nutrients present in your soil.The results will again include specific recommendations for soil amendments that will effectively bring the soil into the proper range for the gardening.

2. Nutrient Content

Fertilizer generally contains three key nutrients like potassium (K), phosphorus (P), and nitrogen (N). Nitrogen is an element that helps in the growth of foliage.Phosphorus aids with the production of fruit, flower, and root, whereas potassium is considered effective in the overall plant health and building of strong stems. So while buying the fertilizer, you must check the nutrient value of the same. It is usually mentioned as the NPK ratio. Fertilizer with a 4-6-4 ratio is 4% N, 6% P, and 4% K.

Additionally, the fertilizer should contain micronutrients which appear in a less prominent location on the packaging. But these micronutrients play a very integral role in different plant processes. Tomatoes specifically benefit from magnesium, calcium, manganese, sulfur, boron, zinc, and copper.

3. Organic Options

It is always good to choose organic fertilizers. It is considered to be good for the growth of plants and the soil. The organic tomato fertilizers are mainly derived from the certified organic ingredients. These formulations contain a lower concentration of Nitrogen, Phosphorus, as well as Potassium.

But, these sorts of fertilizers tend to provide higher levels of micronutrients when compared to inorganic products. Also, the organic fertilizers do not contribute to water pollution due to spill or some other accident and will not damage your plants.

Most of the organic fertilizers specifically become available to the plants through microscopic organisms present in the soil such as bacteria and fungi, but sometimes, the soil lacks such microorganism, and in such a case, you need to provide them these nutrients via fertilizer that are rich in micronutrient.

These pointers will surely help you to make an effective choice and will aid in better productivity. All that you need to consider these integral factors and effectively compare different products so that you can find the best one among those.

FAQs on Fertilizers For Tomatoes

Q1. How Do You Know Which One Is the Best Fertilizers for Tomato Plants?

There are several considerations that you need to make while choosing the perfect fertilizer for tomato plants.

a. Check The NPK Ratio

You should have a look at the N-P-K ratio, which suggests the specific percentage of macronutrients i.e., Nitrogen, Phosphorus, and Potassium present.

b. Check The Presence Of Minerals

Along with that, there should be a mixture of minerals, micronutrients, or organic elements in your selected fertilizer which are proved to be helpful for plants like magnesium, calcium, sulfur, etc.

c. Soil Condition

Your selection of the perfect tomato fertilizer will depend entirely on the soil’s present nutrient content. Also, testing of the soil is an integral step to opt for before you start fertilizing tomatoes.

In case your soil is well balanced or rich in nitrogen content, then you should use a fertilizer containing a low amount of nitrogen and a higher amount of phosphorus.

If your soil lacks nitrogen, you should use a well-balanced fertilizer containing an equal percentage of N-P-K. This is applicable if you are not able to conduct a soil test. While fertilizing the tomato plants, you should be very cautious that you do not use too much nitrogen.

This will ultimately consequence in a green and lush tomato plant with only a few tomatoes. In case you have faced such problems earlier, then it is best to provide phosphorus to the plants in place of a comprehensive fertilizer.

Q2. When Can I Use Tomato Plant Fertilizers?

It is important to fertilize the tomatoes at the time those are planted in your garden. After that, it should be applied at the time of fruiting. As a result, the plant will start to fertilize again.

You also need to consider the addition of a light fertilizer once every 1 or 2 weeks after the tomato plants start growing the fruits. This should be done as the frost can kill the plant.

Q3. How Can I Fertilize the Tomatoes?

When fertilizing tomatoes at the time of planting, you need to mix the tomato plant fertilizer with the soil, specifically at the bottom of the planting hole. After that, you need to place some unfertilized soil on its tip before placing the tomato plant into the hole.

You should avoid the contact of raw fertilizer with the soil as it can burn the tomato plant. You should also ensure that the tomato plant is watered well while you use fertilizers on tomato plants after the fruits have set in.

Q4. How Often Should I Fertilize Tomato Plants?

You need to fertilize the soil before the planting of the tomato plant. This makes sure that the soil is ready and contains an adequate amount of nutrients to initiate the growth of tomatoes.

It is important to fertilize the plant or every two weeks or once a week after the fruit’s appearance. This should be done as long as the plant is growing as well as producing fruit.

Again, there are some of the fertilizers which are intended to be used once every 3 months. So, it is always best to consider reading the plant food label before using one.

Opting For The Best Tomato Fertilizers Is Very Important

Choosing the right one is very important as it will increase your product and you can certainly enjoy a tastier and better quality of tomatoes. You must look for the best fertilizers for tomatoes and other vegetables that you are growing in your garden.

Also, the above-discussed options are popular choices. If you are not sure that which one would suit your soil the best, then the best idea would be to opt for small samples or smaller bags first. Make sure that you choose the best quality fertilizer that can ensure healthier growth of tomatoes.