The top 3 recommendations and buying guides

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A popular one on Amazon Blueberry fertilizer is this product from the manufacturer Green24, which is based on inorganic fertilizer salts. It is therefore a mineral liquid concentrate that you can use both as leaf fertilizer and for fertilization with the irrigation water. When and how to use the product correctly is described in the detailed instructions. The dosage is very uncomplicated via the cap. The nutrients are immediately available for the heather berries, but there is no long-term effect. The fertilizer is also suitable for cranberries.

If you prefer to use an organic fertilizer, it is based on natural plant extracts Blueberry fertilizer Flora Boost is the right choice. The ingredients are 100 percent natural, specially tailored to the needs of blueberry bushes and are primarily intended to promote root formation. Because the stronger the root growth, the better the absorption of water and nutrients - and the healthier the plants. The concentrate is available in various quantities and is very economical to use: According to the manufacturer, one liter is sufficient for up to 800 liters of ready-mixed liquid fertilizer.

If, on the other hand, you are more of a fan of solid blueberry fertilizers, then we recommend this product. This mineral fertilizer granulate is an NPK fertilizer that is optimally tailored to blueberries, but only gradually releases its nutrients to the plant. Therefore, fertilization twice a year - once at the beginning of budding in spring and once again after the harvest - is completely sufficient.

Purchase criteria

Type of fertilizer

Organic fertilizer: Organic fertilizers are made from natural raw materials that naturally decompose slowly and so the nutrients are gradually released to the plants and not all at once. This means that over-fertilization is hardly possible, and these fertilizers also protect the environment and the groundwater.

Mineral fertilizer: Mineral fertilizers are synthetic, i.e. artificially produced fertilizers based on various salts. Their nutrient composition is usually optimized in the laboratory. Since these agents are immediately available to the plants and they are also highly dosed, over-fertilization is quickly possible if the dosage is incorrect.

Organic-mineral fertilizer: If you want a fertilizer that provides the nutrients both instantly and over organic-mineral mixed fertilizers are the right choice over a longer period of time Choice.

Dosage form

Liquid fertilizer: Liquid fertilizers are concentrates that are applied in a highly diluted form with the irrigation water. That's why liquid fertilizers are usually available in small bottles of 500, 750 or 1000 milliliters, with one liter of concentrate for approx. 100 liters of ready-mixed fertilizer is sufficient. Liquid blueberry fertilizers are particularly suitable for plants cultivated in pots, as these are anyway need to be watered and fertilized more frequently and the roots absorb the valuable nutrients immediately can.

Solid fertilizer: Solid fertilizers in powder or granulate form are usually not dissolved in water, but applied to the soil directly in the root area and easily incorporated. Then the freshly fertilized plant should be watered vigorously so that the granules dissolve and the nutrients reach the plants. These fertilizers are especially good for planted blueberries.

ingredients

Even if you are looking for an organic fertilizer or If you decide on a mixed form, it is worth taking a closer look at the list of ingredients. Often slaughterhouse waste (which, by the way, also includes the Horn shavings(€ 32.93 at Amazon *) belong) as well as waste and leftovers from the food and feed industry processed into fertilizers. There is basically nothing wrong with that, after all, these organic substances are fed back into the natural cycle, but some users may be bothered by it.

Nutritional content

When considering the nutritional composition of the blueberry fertilizer, make sure that the proportion of nitrogen is slightly higher than that of phosphorus and potassium, the other two main nutrients. In addition, all minerals and trace elements should be present. However, caution is advised with lime: As bog plants, blueberries are very sensitive to lime, which is why you should never wash the bushes with tap water or water. other calcareous water.

Frequency of application / duration of effect

Are particularly practical Slow release fertilizerwhich, once applied, provide the plants with sufficient nutrients for three or six months. Otherwise, you should keep potted blueberries about every two weeks during the growing season fertilize And we must not forget this: A lack of nutrient supply leads to the fact that the harvest turns out to be rather puny.

frequently asked Questions

Do blueberries necessarily need a special fertilizer?

For blueberries, you can use a perfectly normal one Berry fertilizer(€ 4.82 at Amazon *) use which has a slightly higher nitrogen content. These fertilizers are optimally matched to the needs of berry bushes, which also includes blueberries. Alternatively, you can also use horn shavings or a special blueberry fertilizer. This is not absolutely necessary, but makes sense if you have many Blueberry bushes have to provide with it.

Can I fertilize my blueberries with rhododendron fertilizer?

Rhododendrons, azaleas and blueberries are among the plants that need acidic soil for optimal growth. They also have very similar demands on their nutrient supply, which is why you can easily take blueberries with them Rhododendron fertilizer can supply. By the way, currants, cranberries and lingonberries also need a similar location and care, which is why these species are good plant neighbors.

What home remedies are suitable for fertilizing blueberries?

Coffee grounds are very suitable for Fertilizing blueberries, as it contains many valuable minerals and trace elements. In addition, coffee grounds acidify the soil, which is known to love blueberries. Coffee grounds are not sufficient as the sole fertilizer, which is why you should always add horn shavings and coniferous compost - or blueberry fertilizer. Never use fresh coffee grounds, only use them dry - otherwise they can go moldy.

Can I fertilize blueberries with compost?

Blueberries and other bog plants should under no circumstances be fertilized with compost or manure, as these have an excessively high pH value. Therefore, it is better to omit these species from the annual compost distribution. use special, acidic coniferous compost.

What else should you consider when caring for blueberries?

In addition to nitrogen fertilization in spring and further adapted fertilization in the course of the year, it is important to water blueberries regularly and regularly. The shrubs should not be on dry land floor because they then only develop a few and small berries. That too Mulching of the soil is important, preferably with coniferous litter or softwood mulch.

What does blueberry fertilizer cost?

Compared to other types of fertilizer, special blueberry fertilizer is quite expensive. For one liter of liquid concentrate or three kilograms of solid fertilizer you need between approx. Plan in between 15 and 20 euros. Rhododendron fertilizer is also similarly expensive. On the other hand, berry fertilizers and natural fertilizers such as horn shavings are much cheaper. However, when using blueberry fertilizer, you ensure that the bushes are optimally supplied.

equipment

Horn shavings

Blueberries have a high need for nitrogen, which is why you should plant the shrubs as well Once a year at the beginning of spring emergence, provide with a nitrogen-based fertilizer should. Horn shavings or are suitable for this Horn meal very good. This is a natural fertilizer that is naturally rich in nitrogen.

Bog bed soil / soil for blueberries

As typical forest dwellers, blueberries prefer a rather shady location and acidic potting soil. Garden soil rich in humus with a neutral to alkaline pH value is not suitable for the popular berry bushes, which is why you should use them in bog soil or Rhododendron soil should put. Special potting soil for blueberries also creates optimal growth conditions and thus a rich harvest.