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The Compo Bio citrus plant fertilizer is specially designed for soil crops and contains everything that citrus plants and other Mediterranean plants (e. B. Fig and olive trees). The easy-to-use liquid fertilizer consists of 41 percent organic substances from the food, feed and luxury food industries, both of animal and vegetable origin. The nutrients are immediately available to the plants, but the fertilizer has no long-term effect and must therefore be administered weekly. Since it is an organic fertilizer, the fruits are of course edible. At the recommended dosage of seven milliliters per liter of water, 500 milliliters are sufficient for a small to medium-sized citrus tree for about a year.

Dehner's citrus plant fertilizer also scores with its purely organic organic quality. For this, the manufacturer uses completely vegetable and animal substances from the food, feed and luxury food industries, including bone meal and feather meal. These are rich in important minerals and trace elements. The malt germs contained in it also ensure a balanced diet of the citrus plants with important trace elements. The moreover one is the stretcher Citrus fertilizer natural earthwormhumus added, which should improve the water storage capacity of the substrate. Thanks to the long-term effects, you only need your citrus trees every eight weeks fertilize.

The professional citrus fertilizer from the citrus experts from "Meine Orangerie" scores with a high proportion of nitrogen and potassium, there are also higher amounts of magnesium, iron and other minerals and trace elements added. As reported in customer reviews, the fertilizer granulate is particularly suitable for use with medium-hard to hard (i.e. H. calcium-rich) water. For rainwater or soft water, on the other hand, you should also give Ferty Basis and Ferty Cal from the same manufacturer to avoid a calcium deficiency. The concentrate is very economical - ten grams (that's half a measuring spoon) of fertilizer granules are sufficient for ten liters of irrigation water. The manufacturer recommends fertilizing once or twice a week between April and October.

Purchase criteria

Fertilizer form

Liquid fertilizer: Liquid citrus fertilizers are particularly suitable for citrus plants, which are mostly kept in pots in our latitudes, because they are easy to dose and administer. These are concentrates that always have to be diluted with the irrigation water and must never be given pure on the soil or plants.

Fertilizer granulate: Solid fertilizer, a so-called granulate, is also suitable and ready to use immediately. All you have to do is dose the powder with the usually enclosed measuring cup according to the manufacturer's instructions and work it lightly into the substrate surface. Then water the citrus tree vigorously - done. Some fertilizer granules can also be dissolved directly in the irrigation water and administered together with it.

Fertilizer sticks: They are particularly useful for fertilizing potted plants Fertilizer stick,(€ 9.82 at Amazon *) which are of course also available especially for citrus plants. You simply stick these sticks into the substrate, then water and then have several months of rest on the fertilizer front - fertilizer sticks usually contain one Slow release fertilizerwhich is gradually released and nourishes the plants for several months.

Type of fertilizer

Mineral fertilizer: Mineral fertilizers have the advantage that the nutrients they contain are immediately available to the plants. However, these fertilizers have no long-term effect, which is why you have to feed the plants once or twice a week.

Organic fertilizer: Organic fertilizers, on the other hand, have a natural long-term effect, so they do not have to be so often given because their nutrients only become available through the gradual decomposition of the material hand over. The disadvantage here is that there are no immediately available nutrients - which can be problematic if the leaves are already yellowish in color.

Organic-mineral fertilizer: An organic mineral fertilizer is probably the best choice in this case as it has the Combines advantages of mineral and organic fertilizers and their disadvantages reduced. Fertilizers with both mineral and organic ingredients provide both immediate and slow-acting nutrients to the plants.

Nutritional composition

Since citrus plants indicate a lack of nutrients or If you react very sensitively to the wrong nutrient composition, you must pay close attention to the NPK content and the other minerals and trace elements in the fertilizer. Nitrogen and potassium should be contained in roughly equal parts, whereas the phosphate content can be somewhat lower. It is also important to have a fairly high proportion of magnesium (approx. two percent) as well as iron, boron, copper, zinc, manganese and molybdenum.

Long-term effect

Citrus plants need to be fertilized at least once a week during the main vegetation phase between April and October. A long-term fertilizer can help here, because when using one you only have to fertilize every eight to 12 weeks. Note that citrus plants must be fertilized once a month even during wintering, what a long-term fertilizer is not suitable for - it is simply too high for the winter break dosed. Therefore, a combination of both types of fertilizer is recommended every six months.

ingredients

If you value animal-free ingredients, you should use organic or Take a close look at the label of organic-mineral citrus fertilizers. These often consist to a large extent of animal waste from the food, luxury and animal feed industries. That is why bone, hair and feather meal is used for these fertilizers. In principle, however, this is not a problem, as these substances have a high proportion of minerals and trace elements.

frequently asked Questions

Which plants are citrus plants?

Citrus plants (Latin citrus) form a genus of plants within the diamond family (Rutaceae) and probably originally come from China. In addition to lemons and oranges, tangerines, grapefruits, grapefruits, kumquats, kaffir lime, Pomelo, Clementines, limes and satsumas in this group. Many of these species are crosses within the family - the pomelo, for example, is a cross between grapefruit and grapefruit.

For which crops is citrus fertilizer suitable?

Not only can you use citrus fertilizer to supply citrus crops, but also other crops with similar nutritional needs. These include many Mediterranean plants such as fig and olive trees or herbs such as lavender, rosemary and thyme. Also for kiwi and Passion fruit plants (which you can grow very well from seeds yourself) these fertilizers are well suited.

Can I also fertilize my banana plant with citrus fertilizer?

Have been for some time Banana plants, of which there are even conditionally hardy varieties for the garden, are often cultivated as container or garden plants. However, bananas are extremely heavy consumers, which is why the rather low-dose citrus fertilizers are not suitable for these exotic species. The same also applies to tomatoes, cucumbers and other plants that are often grown on the balcony, e.g. B. Geraniums.

When and how often should you fertilize citrus plants?

Unless you are using a slow release fertilizer, you must Citrus plants be fertilized at least once a week between April and August, and then every two weeks in September and October. Even with a bright one wintering At more than 12 degrees Celsius, a low dose of fertilizer is necessary every month. Otherwise, the trees should be moved to fresh substrate about every two to three years.

Which manufacturers offer high quality citrus fertilizers?

Special citrus fertilizers are available from all well-known brand manufacturers such as Compo, Substral, Dehner, Plantura or Neudorff. The products of the well-known brands of “Meine Orangerie” and Green24 are also of high quality, although unfortunately these are only mineral fertilizers with no long-term effects. Nevertheless, the users are very satisfied.

equipment

Citrus earth

In addition to a specially adapted fertilizer, sensitive citrus plants also benefit from citrus plant soil. The special soil from Compo Sana offers optimal growth conditions for strong and healthy plants. The product contains a starter fertilizer that supplies the plants with all the important nutrients for up to 12 weeks. The nutrients are released slowly and gently so that the roots do not suffer any damage.