Best Blueberry Fertilizer in 2024 – Here’s how to fertilize your bushes

What is the Best Fertilizer for Blueberries?

When it comes to growing blueberry bushes, one of the most important factors is proper fertilization. You need to know that blueberries are a very unique crop in that they require specific types and amounts of fertilizer for optimal growth, health, and production.

And knowing what type of fertilizer to use can be a challenge, and that is true for even the most experienced gardeners.

Fortunately, there are several excellent choices available when it comes to choosing a fertilizer that’s just right for your blueberry plants.

Organic fertilizers such as compost or manure can be excellent sources of nutrients for your blueberry patch, while specially formulated chemical fertilizers (we do not like these) also provide reliable nutrition in an easy-to-use form.

In addition, soil additives such as sulfur and gypsum can help improve the fertility of your soil over time, but again a specialized formulated fertilizer made for acidic soil is usually the best solution. Below we provide 5 great fertilizers specifically investigated for use with your blueberry plants. Select the one that is most appropriate for your budget and soil.

#1. Winchester Gardens Blueberry Fertilizer

When it comes to the best blueberry fertilizer, we have to recommend the Winchester Gardens Blueberry Fertilizer.

This fertilizer has the perfect formula to help out your blueberries thrive both indoors and outdoors.

It greatly improves soil quality and is easy to work with. Out of all the blueberry fertilizers we have worked with, this one seems the most effective for growing lush blueberries.

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What type of blueberry fertilizer do you need?

We all know that blueberries are a delicious and nutritious snack. However, to get nice blueberries in your garden, you require to give them special care so that they can thrive.

Every gardener we spoke to said the same thing. Knowing the right kind of fertilizer to use on blueberry bushes is essential for creating an optimal growing environment.

So finding the best fertilizer for blueberries depends on several factors, such as soil pH balance, nutrient levels, and climate conditions.

Ideally, you should use a balanced fertilizer with equal parts of nitrogen (like ammonia sulfate, ammonia nitrate, or urea), phosphorus, and potassium. This is also known as the best N-P-K formula for acidic land. The NPK ratio must be right and this is where some suppliers have developed a specialized formula that promotes healthy growth. You’ll need some nitrate too, such as calcium nitrate or chloride,

Overall, for acid-loving plants like blueberries, look for fertilizers labeled specifically as “acidic” or “for acid-loving plants.”

These formulas will help keep your soil’s pH level at the proper range of 4.5 – 5.0 which facilitates healthier plant growth and berry production.

Best Fertilizer for Blueberry Plants


#1. Fertilize blueberry plants with Winchester Gardens – Top Solution

Finding the best blueberry fertilizer is definitely not easy. Luckily, there is the Winchester Gardens Blueberry Fertilizer, which is our top pick. This berry fertilizer is ideal for blueberries and strawberries.

This is a 2-3-4 fertilizer that works well in both indoor and outdoor gardens. We really like the fact that it is a simple formula with all-natural ingredients that really help improve soil quality.

So unless you have a soil deficiency, this fertilizer is all you really need. We also really like it because it doesn’t smell too bad and it is also quite lightweight so it is easily watered in.

Also, just note that the grains are very fine and it is quite easy to apply overall. You can see results almost immediately and they will certainly make you happy.

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#2. Down To Earth Blueberry Plant Fertilizer

Next, we have the Down to Earth Blueberry Fertilizer, which is the best blueberry fertilizer for those who want a 4-3-6 fertilizer that will work out well in a low pH environment.

While we cannot say that this fertilizer was specifically formulated for helping blueberries grow, it certainly does a really good job. Compared to the Winchester Gardens, this stuff is better value.

So it may not be as effective as the Winchester Gardens brand, but it certainly gives you a good bang for the buck. It is pound for pound cheaper and performs just slightly worse.

We also really like the fact that this stuff will really help your healthy roots grow and will boost resistance to extreme winter temperatures.

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#3. Jobe’s Organics 9364 – A great Blueberry Fertilization Solution

Another great option when it comes to the best blueberry fertilizer is Jobe’s Organics 9364 Fertilizer. This is great for acidic soil environments and will decrease the soil pH.

First and foremost, we just want to throw it out there so that it doesn’t have any harmful chemicals inside that would burn your blueberries. It also provides your blueberries will all the natural sulfur it needs.

Also, if it means anything to you, this stuff is officially approved by the USDA for organic gardening. It is also a great soil acidifier and will surely help your blueberries grow.

Finally, just know that this is a dry additive with no water mixing needed. It is fairly easy to apply and does not get too messy as long as you follow the instructions carefully.

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#4. J R Peters Jacks Classic to Fertilize Blueberry bushes

The J R Peters Jacks Classic Blueberry Fertilizer is definitely an industry classic and should not be overlooked. This is a 17-6-6 fertilizer that is loaded with micronutrients and is water-soluble.

We really like the fact that this stuff will feed through both the roots and the leaves and keep your plants healthy. More specifically, for blueberries, it will result in better yields.

So not only you’ll get more blueberries, but the blueberries will be lusher and will even taste sweeter at times. It also contains elevated levels of iron and sulfur.

All in all, we find the J R Peters very effective in reducing the pH of the soil, which in turn keeps iron and other trace elements available to the plant.

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#5. Miracle-Gro Acid-Loving Plant Food

Finally, we have the Miracle-Gro Acid Loving Plant Food, which makes our list because it is Miracle-Gro after all. This is a brand that you can definitely trust to deliver high-quality fertilizer.

This water-soluble fertilizer feeds instantly through the roots and leaves and leads to strong root development and great yields on your blueberries.

More importantly, since this is a very large brand, the quality control will be amazing and you can rest assured that there will be no harmful ingredients or chemicals added.

While you do have to constantly monitor it and re-feed every two weeks or so, we think that it is totally worth it and will make your blueberries grow fast.

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How Much Fertilizer Do I Apply to blueberry bushes?

Now that you have selected your fertilizer, you need to apply it. But how much do you need to apply?

The amount of fertilizer applied will depend on several factors including the age of the plant and its nutritional needs.

Generally speaking, mature blueberry plants need 1/2 pound per bush twice a year – once in early spring and again in late summer. For younger plants, 1/4 pound is appropriate per plant when fertilizing twice a year. Note that you can use granular fertilizers, which is probably the best unless you use a natural animal option.

How do I treat reddish leaves on berry bushes?

Treating reddish leaves on blueberries can be a tricky process, as you need to be careful not to cause any further damage.

The first step is to identify the cause of the discoloration – it could be anything from poor soil nutrition to disease or fungus.

Once you have identified the cause, you can then take steps to treat it accordingly.

For example, if nutrient deficiency is the culprit, you can supplement it with an appropriate fertilizer or compost tea.

If it’s a disease or fungus, you need to isolate and remove affected plants and use fungicides.

Note that you may want to avoid this situation by keeping your blueberry bushes clean. They need to be well-ventilated, avoiding overcrowding, and making sure they are adequately watered with good drainage.

Following these steps should help prevent further reddish leaf discoloration in the future. Do not forget to apply fertilizer.

Are eggshells good as a type of fertilizer to grow blueberries?

Eggshells are an excellent source of calcium, which is necessary for healthy plant growth.

Adding crushed eggshells to the soil around blueberry plants can help strengthen their cell walls and increase their resistance to disease.

Additionally, eggshells contain small amounts of nitrogen and other nutrients that aid in photosynthesis, helping the blueberries to grow faster and produce more fruit.

Note that eggshells will also improve the soil’s texture by helping it retain moisture, aerate it, and can increase its acidity.

When using eggshells for blueberries, make sure to wash them first and then crush them into a fine powder before adding them to the soil.

This helps ensure that the nutrients from the shells are absorbed quickly and easily by the plant’s roots.

Overall, eggshells can be a great addition to your blueberry garden as they provide essential nutrients while improving soil quality.

Can I use coffee grounds as a nutrient to fertilize blueberry plants?

Coffee grounds are a great resource for gardeners and are often used in compost. They can also be beneficial to blueberry bushes. Coffee grounds contain nitrogen and other minerals that can help create an ideal environment for blueberry plants to thrive.

We have already seen above that blueberries need acidic soil with a pH level of 4.5-5.0. And guess what, coffee grounds have acidity levels between 3.2-4.7. These levels make coffee grounds a very effective solution in helping maintain the correct soil pH balance.

Additionally, coffee grounds provide necessary nutrients such as potassium and magnesium which are important to helping the bush produce healthy berries over time.

Note that the left over of one or two cups of coffee should be plenty for one bush.


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