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


1. Espoma Holly-Tone2. Espoma Berry-Tone3. Winchester Gardens
Espoma HT 18 Holly Tone Best Fertilizer for BlueberriesFruit and Berry Food 4lbWinchester Gardens Granular

Blueberries are one of the best summer fruits everyone crave for. If you are thinking about growing blueberries in your own yard, then it is important to get details about what is the best fertilizer for blueberries. Blueberries are not only the best summer fruits, but they are also easy to grow if you pay enough attention to their growth at the right time. Thus, if you love blueberries and if you want to grow them in your own garden, it’s time to get adequate information about the best fertilizer for blueberries.


In this guide, you will come to know what factors to consider while buying a fertilizer for blueberries, a few tips to grow them the right way, and a few FAQs answered by experts. But before that, let’s explore some of the best fertilizers out there that can help you get the best blueberries in the upcoming summer.

Top 10 Best Fertilizers For Blueberries 2021

1. Espoma HT 18 Holly Tone

Espoma HT 18 Holly Tone Best Fertilizer for BlueberriesThe Espoma HT 18 holly tone is one of the best fertilizers that can be used to get the best quality blueberries in your own garden. Even the professional gardeners and planters use this fertilizer to get their soil prepared for growing blueberries. The fertilizer helps in the slow release of nitrogen from feather meal, poultry, bone meal, and greensand.

The best part about this fertilizer is that you will be able to get better bloom with vibrant colors after using this fertilizer. In addition to this, the use of Espoma HT 18 will also enable you to grow larger plants with deeper green colors.

The plants that grow after use of the fertilizer will have deeper roots. The fertilizer lasts longer, due to which you don’t need to treat the soil with any other manure and fertilizer. The fertilizer contains bio-tone microbes, which are very beneficial for the best quality growth of blueberries.


  • The slow release of nitrogen
  • Plants grow with deeper roots
  • Fertilizer lasts long in the soil
  • Contains bio-tone microbes


  • Proper usage instructions are not available on the product package

2. Berry-Tone Fruit and Berry Food 4lb

Fruit and Berry Food 4lbThe Fruit and Berry Food 4lb is an organic plant food that will help in growing the best quality blueberries. The fertilizer is fully organic, and it is ideal for feeding berries as well as for other acid-loving plants.

The fertilizer lasts long in the soil, which keeps releasing nitrogen and other nutrients slowly. The best part about the Fruit and berry Food is that it is packaged well, and you don’t have to add any other components into the fertilizer to get the best of blueberries.

The organic fertilizer is approved by the concerned authorities for organic farming. Thus, if you want to get the high quality organic blueberries from your garden, this can be one of the best fertilizers that you can use.


  • Good for organic fruits
  • Slow release of nitrogen and other nutrients in the soil
  • Approved for organic fruit growing
  • Long-lasting


  • As per a few customer reviews, the fertilizer smells very bad

3. Winchester Gardens Granular

Winchester Gardens GranularThis fertilizer by Winchester Gardens is good for indoor as well as outdoor plants. Thus, it can be used for all types of plants, especially if the plants have acidic characteristics. This organic fertilizer is helpful in the overall growth and development of the plants.

The packaging of the fertilizer also includes a spoon, which makes it easier and convenient to use the product. The three-round packaging system enables you to handle the packet easily and conveniently.The fertilizer is made up of simple products, and it includes all-natural ingredients that make the soil fertile and improves the quality of the soil. The NPK ratio in the fertilizer is 2:3:4, which seems perfect for the growth of blueberries.


  • Good packaging
  • Includes spoon
  • Good for outdoor as well as indoor plants
  • Lightweight
  • No weird smell


  • The fertilizer contains bones, which may not be liked by all users

4. Down To Earth Acid Mix Fertilizer

Down To Earth Acid Mix FertilizerThe down to Earth fertilizer is the best fertilizer for blueberries that contains all-natural ingredients suitable to be used by acid-loving plants. Thus, it can be easily used for blueberries, strawberries, raspberries, etc. It can also be used for plants that need low levels of PH. To get lush flowers and fruits, you will need to apply the Down to Earth acid mix in the spring for vegetative growth and also when the bloom appears.

When you apply the fertilizer in the fall, it will promote the root growth, and it will also boost resistance to extreme weather temperatures. The fertilizer contains NPK in the ratio of 4:3:6. The product includes high-quality ingredients that can help in providing an effective approach for plant care, crop fertilization, and crop management.


  • High-quality ingredients
  • Can be used in all seasons
  • Economical cost
  • Specially formulated for blueberries and other berry plants


  • Color of the berries may change after using this fertilizer

5. Dr. Earth Natural Fertilizer

Dr. Earth Natural Fertilizerhe fertilizer by Dr. Earth Natural is the only non-GMO project verified fertilizer in the US. Thus, if you are looking for a fertilizer that is non-GMO, this can be the best fertilizer for blueberries. The best part about this fertilizer is that it is people and pet safe too.

The fertilizer does not contain any synthetic chemicals and additives in the preparation process. It is prepared by using human and feed grade ingredients. The product is enriched with different types of minerals, proteins, carbohydrates, and other trace elements needed for the best quality growth of plants.

The products made by Dr. Earth Naturals go through a deep review by an environmentalist, and they take care about the sustainability of the product. Thus, if you want the best quality blueberries in your garden, it’s time to use Dr. Earth Natural fertilizer.


  • The only fertilizer in the US that is Non-GMO project verified
  • Does not include any synthetic chemicals
  • Makes use of human and feed grade ingredients
  • Includes different mineral-rich elements


  • The use of this fertilizer led to mold problems for some users

6. Miracle-Gro Water-Soluble Fertilizer

Miracle-Gro Water-Soluble FertilizerIf you want to get lush foliage and beautiful blooms for your blueberries, use this Miracle-Gro water-soluble fertilizer. The fertilizer needs to be fed every one to two weeks. It is specially made to be used for the best growth of acid-loving plants like blueberries and strawberries.

The best part about this best fertilizer for blueberries is that it comes up with a fertilizer feeder, and a watering can without any additional cost. The use of this fertilizer will promote the best quality growth of roots, and it will also help in giving quick and beautiful results effectively.

The fertilizer is rich in iron and all other essential nutrients needed for the best growth of the plants. The instruction sheet provided inside the package will help you in getting an understanding of how to use it to get the best results.


  • Includes feeder and watering can
  • Promotes growth of roots
  • Water-soluble fertilizer gives quick results
  • Includes all essential nutrients


  • The size of the packet is pretty small as compared to the price paid

7. Espoma UL 30

Espoma UL 30The Espoma UL 30 can be called the best fertilizer for blueberries, as it is one of the most effective soil acidifiers. All ingredients present available in the fertilizer promote the best growth of the acid-loving plants. The fertilizer contains all-natural ingredients, and it is helpful in correcting the alkaline problem of soil by reducing its PH levels.

Many gardeners, as well as users, use it specifically to make the hydrangeas and blueberries bluer in color. The best part about the Espoma UL30 is that it is all-natural palletized.As per different environmentalists and scientists, the Espoma UL 30 is safer than aluminum sulfate because of the lack of toxic presence of aluminum that happens due to continuous use. The fertilizer releases the nutrients slowly and steadily, but it helps in the best quality growth of plants.


  • Effective soil acidifier
  • All-natural ingredients
  • Reduces the PH level of the soil
  • Safer than aluminum sulfate


  • The product contains 80% gypsum, which is very effective in acidifying the soil

8. Down To Earth Organic Fertilizer

Down To Earth Organic FertilizerThis five-pound box of organic fertilizer is said to be the best fertilizer for blueberries. The fertilizer has been listed by Organic Material Review Management as one of the best products for organic production.The fertilizer uses Langbeinite, which is a naturally mined crystalline mineral that provides water-soluble sulfate form of three important nutrients, potassium, magnesium, and sulfur.

The maximum chlorine content in the fertilizer is less than 3%, and thus it minimizes any chances of fertilizer burn in the plants. The neutral pH of the fertilizer also does not change the texture and fertility of the soil.


  • Listed and verified by Organic Material Review Management
  • Use of Langbeinite for maximum benefit to the plant
  • Includes all important nutrients for best quality growth of blueberry plants
  • Chlorine content is less than 3%


  • Few customers complained that packaging was not too strong, and it broke off before delivery

9. Peter’s Classic Fertilizer

Peter’s Classic FertilizerThis is an all-purpose fertilizer that will help you in getting the best quality blueberries right from your personal garden. The fertilizer can also be used for all kinds of indoor plants, outdoor plants, and also for different types of vegetables and shrubs.

The fertilizer is fed through leaves as well as through roots. The right amount of nitrogen, phosphorus, and potassium in the fertilizer helps in providing fast green-up, and rapid leaf expansion of blueberry plants.The fertilizer has been used for the best quality vegetable growth for years. The best part about this fertilizer is that it dissolves quicker, and it is made from the finest raw materials.



  • Some customers said that they didn’t get the expected result after using this fertilizer

10. Miracle-Gro Plant food

Miracle-Gro Plant foodMiracle Gro brings this water-soluble plant food that is made up of all-natural ingredients. The product will feed instantly and will provide you with big and beautiful results within a few days.You can use the fertilizer by using a watering can, as it is water-soluble. If you follow the procedures as mentioned in the instruction manual, you won’t burn the plants as guaranteed on the package.

The fertilizer can be easily used for different vegetable and fruit plants like tomatoes, peppers, basils, and strawberries. For best results, you have to feed every 7-14 days when the plants are in an active growing stage.


  • Good for all types of vegetables and fruit plants
  • Water-soluble composition
  • Made up of all-natural ingredients
  • Affordable price


  • Not suitable for herbs

Factors To Look For When Buying Best Fertilizer For Blueberries

Numerous factors need to be considered if you want to grow the best quality blueberries right in your garden. Some of them are:

1. Ingredients

It is always advisable to avoid fertilizers that contain toxic chemicals. With the gradual and continuous use of chemicals on the plants, they may lose their capacity to grow. Chemicals can also harm the soil texture in the long run.

It is always advisable to choose fertilizers that include organic ingredients. Some of the best organic ingredients that are used in the formulation of blueberry fertilizers include bone meal, fish meal, coffee grounds, and powdered seaweed.Thus, whenever you are choosing a fertilizer, make sure that these ingredients are available and there are no chemicals.

2. Fertilizer Application

If you don’t have a proper idea about how much fertilizer you should use at once, you should choose a fertilizer brand that comes with an applicator. Using an applicator will help you to determine what quantity of fertilizer should go on the plant. In addition to this, it will also prevent the burning of plants, as there will be fewer chances of overuse of fertilizers.

3. Nutrients

Whenever you are looking for the best fertilizer for blueberries, it is important to check the nitrogen content in it. Make sure that the fertilizer does not contain any nitrates too, like sodium nitrate, potassium nitrate, and chlorides.Most blueberry plants are prone to iron and magnesium deficiency, thus the fertilizer that you purchase should have enough quantity of these minerals too.

If the leaves of your blueberry plant turn a reddish yellow color, the plant is most likely suffering from magnesium deficiency. On the other hand, if the leaves turn yellow with green veins, then it might be suffering from iron deficiency. Thus, make sure that the fertilizer that you are purchasing consists of the needed nutrients required by the plants.

4. Release Time

When you are buying the fertilizers for your blueberry plants, the major thing to consider is to buy the one that is not required for you to spray regularly. Slow-release fertilizers would release the strength of the fertilizers slowly to the ground, and their potency will last throughout the season. The fertilizer would supply the essential nutrients for the plants for its strong growth. There are a few fertilizers that are readily available in spikes, which you can install on the ground. The ingredients are absorbed by the roots briskly and promote healthy growth.

Tips To Grow Blueberries

If you have never grown blueberries, it can be a challenging task to use fertilizer on a blueberry plant. You can’t use any other general fertilizer for your blueberry plants, as they need an adequate amount of nutrients for efficient bloom and growth. Here are a few tips that can help in achieving success:

1. Choose The Right Type Of Blueberries

It is important to choose the variety of blueberry that can grow best at your location. You also need to choose the type as per climatic conditions and landscapes. Blueberry bushes will need winter cold to give the best bloom and fruits. Thus, it is important to determine that your location has winter months. Look for blueberry varieties that match your region. You can’t expect to get fruitful results if you grow an exotic variety of blueberry in your garden without knowing its climatic needs.

2. Grow More Than One

It is important to grow more than one plant at once. To get the best quality of blueberries and the best harvest, it is important to grow more than one bushes at a single place. If your planting area is small, try to choose a blueberry variety that is suited to a small place.

3. Prepare The Soil

If you are thinking about growing blueberries, it is very important to prepare the soil. The preparation of soil will help in creating the planting foundation. If your soil has more than seven pH, then try to contain the problem first. Try to accommodate blueberry pots by using a pot that is at least 16 inches in diameter. Try to use a commercial potting mix designed for acid-loving plants.

4. Water The Blueberries

Using just the right fertilizers is not enough. It is important to use the right amount of water. Blueberry roots are also sensitive to overfertilization. So, it is recommended not to overdo it. In addition to this, always water the bush before applying fertilizer.

5. Know The Right Time To Use The Fertilizer

It is important to get an understanding of what can be the perfect time for fertilizer application in a blueberry plant to reap the best harvest. The right time would play a major role in the growth and development of these fruits. You must spray a limited amount of fertilizers on the blueberry plants on three different occasions. These include – when the plant is having a new growth during the spring season, after six weeks from the date of planting these seeds, and finally after the harvest. Fertilizing is recommended in early spring before leaves have grown in the plant, as the plant achieves active growth stage in summer months.

6. Choose The Right Type Of Fertilizer

Blueberry plants have pretty specific needs. The bushes respond best to acid fertilizers. The fertilizer that you choose should be such that it should block weeds, conserve water, and it should provide the needed nutrients to the plant. You can also feed the plant with decomposes, as it will help in improving the soil acidity level. The best decomposed materials include oak leaves, and it should be used in three to four layers to get the best growth for blueberry plants.

7. Apply The Fertilizer The Right Way

It is important to know the best ways to apply blueberry fertilizer. If you already have an established blueberry plant, you should use one cup full of fertilizer per foot of the branch spread. You need to double the quantity if the blueberry branch spread is 3 inches or longer. If the area on which you are going to apply the fertilizer is mulched, try to remove as much mulch as you can. If it is impossible to remove the mulch, try to apply the fertilizer in double quantity.

FAQs on Fertilizers for Blueberries

Q1. What Is The Best Way To Fertilize A Blueberry Plant?

A. Before you plant a blueberry sapling, it is important to mix fertilizers thoroughly into the soil. Thus, before you dig the hole and plant, try to mix the fertilizer in the soil. Fertilizer can also burn tender roots if it touches the roots directly. After the plantation process has been completed, a light application of fertilizer can be used in late June or early July. The fertilizer should be applied in a circle of 15-inches from the base of the plant.

Q2. Does The Kind Of Mulching Matter In The Case Of A Blueberry Plant?

A. Yes, mulching matters a lot when it comes to blueberry plants. The mulch should be loose enough to let water percolate in the soil. Some of the best products that can be used for mulching include pine needles, wood chips, and bark of trees. Thus, it is important to use all these ingredients if you want to prepare the best mulch for your blueberry plant growth.

Always try to avoid mulches that are made up of ingredients like black plastic and landscape fabric. Try to spread the mulch 4-6 inches thick around the plant and don’t pile up too much mulch around the stem.

Q3. Can We Use Grass For Mulching Of Blueberry Plants?

A. No, grass can’t compete for nutrients and moisture. Blueberries perform best when the best quality mulch is used. Mulch is especially important for blueberry plants, as it helps in preventing weeds and competition from other plants.

Q4. How To Water The Blueberry Plants?

A. It is recommended to provide 1 to 2 gallons of water per week for any number of weeks in which no rain occurs. Try not to overwater a plant, as waterlogging can destroy the quality of fruit and also blueberry plants.

Q5. What Pests May Be Attracted To Blueberry Plants?

A. You can find that Japanese beetles, caterpillars, and bumblebees can be attracted to the blueberry plants. But these pests also help in pollination, so you don’t need to use any pesticides to kill them. Birds can also be attracted to blueberry plants, but birds are mostly attracted to mature bushes.

Q6. How Long Does A Blueberry Bush Typically Live?

A. If proper care and attention are given, a blueberry bush can survive easily up to 50 years.

Get The Best Of Berries By Using Best Fertilizer For Blueberries

Who doesn’t love blueberry cheesecakes and blueberry smoothies, but do you know you can get yummy blueberries right from your garden to prepare these yummy desserts and breakfast? Yes, if you pay close attention to the use of fertilizer and timely watering of blueberry plants, you can get yummy fruits in no time.

In this guide, we have tried to enlist some of the best fertilizers that can help you get the best quality fruits in your own garden. We have also helped you to know about the different factors that you must keep in mind while choosing the best fertilizer for blueberries.

Thus, go through this guide and try to grow blueberries in your personal garden. We are sure, using any of these fertilizers will help you in getting a blooming blueberry plant. We have also given a few tips that you can follow to get the best growth in your garden. Let us know which one of these fertilizers worked for the blueberry plant you planted in your garden.