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Tangerine trees prefer a warm, sheltered location in summer. Even full sun is well tolerated. Before the first frost you put them in the house. In winter, the tangerine trees in the house should be bright but cool. South windows can be a problem as the sun burns heavily behind glass. It can lead to sunburn.
Location and substrate for mandarin trees
Therefore, an east or west window is better suited as a location. If the tangerine tree only receives light from one direction, it should be turned regularly. The best place to hibernate is a conservatory with temperatures around 10 degrees Celsius. As a soil suitable special citrus soil, but also normal potting soil, mixed with a little clay is not bad. Citrus plants love loamy soil.
Similar to a lemon tree, care should be taken when casting that the plant does not get too much or too little water. Waterlogging is not tolerated. This is prevented with a drainage layer on the bottom of the pot. You should pour so that water flows out of the pot. With the new watering one waits until the earth is dry. The bale should not dry out! At lunchtime should not be poured. If the plant curls up the leaves, watering immediately. It is important to use lime-free or better lime-free water. Too much lime turns the leaves yellow.
- In winter, there may be a few weeks between waterings.
- In the summer it is regularly fertilized, preferably every 14 days.
- There are special fertilizers for citrus plants in the trade.
Tangerine trees do not have to be repotted until the pot has become too small. The new planter may not be much larger than the old planter. To make the soil loose and airy, Styropurkugelchen, expanded clay or perlite can be mixed. After repotting the plant is not immediately put back into the sun. The best time to repot is spring.
By improper care, it may happen that a tangerine tree does not thrive as magnificently as one wishes. Often you can still save the tree, but sometimes it is too late. Many of the citrus plants are simply drowned. Others have a wrong location, which is a crucial criterion, especially in winter. It is important to realize that something is wrong. Then this can be fixed.
- When pretty much all the leaves curl, the plant needs water. The best way to put the pot in a water vessel until no more bubbles rise.
- But if the soil is moist and the leaves roll in anyway, it is too wet. The fine roots then die and the plant can no longer absorb water. This is usually the end.
- Rolled leaves on just one branch indicate that it is sick. It is no longer possible to transport water. It's best to cut it off.
The mandarin tree is spoiled, becomes sparse, loses its beautiful growth. This is usually in the wrong location or too much heat and too much water. Here it helps cool, but less watering and cut back properly!
If no pests are found, it is usually due to iron deficiency. Here, the pH must be controlled. If it is too high, the plant can not absorb iron. Iron fertilizer (iron chelate) helps here. Do not use iron sulphate!
Light to almost white leaves
Here are probably missing nutrients. This comes mostly through too much water. The plant can no longer absorb nutrients due to broken roots. To rescue it is usually too late. The damage is too massive.
Brownish or whitish spots on the leaves...
... indicate sunburn. If the Mandarinbäumchen after the winter in the house when clearing out gets too much sun, it can cause burns. You have to get used to the sun slowly.
Pests on tangerine trees
As plant pests often scale insects occur. This collects or scrapes best off. Spraying does not help, as the animals are well protected with their thick armor. If chemical control, then the plant must be poured with the poison. The tree must take the remedy and pass it on to the pests while eating. That works, but many trees do not tolerate the individual remedies very well. Gathering is more laborious, but healthier for the plant.
Spider mites can be avoided by wiping the leaves frequently damp.In infestation usually only helps the chemical club. But spraying helps here.
Vermin often infests tangerine trees when they are on the train, so drafts should be avoided at all costs.
Diseases with mandarin trees
Diseases are much rarer than care mistakes and pests. Nevertheless, they do appear every now and then. Among the most common is the...
- Russtau - fungal disease. A blackish coating on the leaves indicates it. Most of the fungus settles on the excretions of pests (honeydew). The leaves of the mandarin tree are relatively stable. You can try it with careful wiping or must use chemistry!
- Injuries cause bacteria to invade leaves, branches and fruits. Bacteria are often spread by leaf fleas.
- In the worst case, it comes to citrus cancer, recognizable by roundish, gray spots. Leaves and branches can die off.
- Even viruses can occur, but only extremely rarely and more for professional cultivation.
The mandarin tree is a very beautiful container plant. The care is not as complicated as some might think. It's not necessarily a beginner plant, but you do not have to be a professional. It is important to acquire a suitable tree. Sometimes they are even offered in the discounter. It is not advisable to acquire such a high strain. The documents are usually not good, the rearing was accelerated with aids. On such a citrus we rarely have much pleasure. It is better to invest a few euros more and buy a tree from the dealer. You can see the difference at first glance.