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- These pests are particularly common
Oleander is a wonderful plant, which makes a good figure especially in the conservatory. But the oleander is also particularly susceptible to insects that cause damage to the flower.
Do you want to breathe a Mediterranean ambience into your balcony or terrace? Then the Oleander is just right for you. It is one of the most beautiful plants in the Mediterranean and is suitable as a hedge as well as a bush or tree. Since the sun-drenched greenhouse is used to a lot of warmth and sunshine, the plant's attitude in the home garden requires a bit of tact. Among other things, you must always see if pests on the beautiful plant spread. The oleander is a bit vulnerable.
These pests are particularly common
Spider mites are the biggest problem. They seem to be in love with the oleander. The small animals can be recognized by the web they leave on the leaves. Especially the undersides of the leaves are affected. They suck on the leaves, causing a Blattlenkelung. After some time, the entire sheet looks silvery.
If you want to get rid of spider mites, first increase the humidity. Does not help alone, do not come around using a pesticide. Here, preparations based on rapeseed oil (for example Naturen Schädlingsfrei) have proven themselves. They lay down like a movie on the plant and make sure that the spider mites smother under it. In order for this really helps, it is advisable to spray the oleander about three times a year with the medium.
Aphids do not stop at any plant. Not even before the oleander. It does not matter whether it is a free-range or indoor plant. They often occur on the soft parts of the oleander, so talk to the flowers and Neutrieben. In the harder parts, the animals have no chance. In the soft parts, they suck the plant juice and then excrete honeydew. The sucking itself is not that bad. But the honeydew, because the sticky juice attracts ants. On top of that, there are blacktooth fungi that can be recognized on a black surface.
Aphids are actually quite easy to fight. In general, it is enough if you spray the oleander a few times with a sharp jet of water. But you will also get rid of aphids if you sprinkle the oleander with nettle stock (instructions here) or garlic sauce (instructions here).
Scale insects have a dark shield that makes them almost invisible to human eyes. They usually sit on the shoot tips and on the underside of the leaves. They also excrete honeydew, which in turn attracts ants and blacktooth fungi.
Scale lice are released when you spray the plant with a mixture of soft soap and water. As a result, the pests break away from the ground. Then with a sharp jet of water the Oleander cumshot and already the problem should be solved. Otherwise, remedies based on rapeseed oil also help here again.
Wollläuse can sometimes make on the Oleander wide. An infestation can be recognized by the white, cotton-like spots on the plant. They suck the sap and then excrete a white wax coating that just reminds of small cotton balls. These then serve the pest as protection.
As the best remedy against mealybugs, a pesticide containing neem oil is suitable. Such as. Bayer Bio-Pest Free Neem (available here, for example). This agent prevents the lice from reproducing. A mixture of paraffin oil, water and detergent, which you have to spray on the leaves, has also proven itself. The oil settles like a film over the plant again and ensures that the pests choking.
What sounds very cute by name, are 1 to 2 millimeters large animals that feed on the cell juice of the oleander and pierce the surface of the leaves with their mouthparts. Then settle on mushrooms, leaves this speckles on the leaves. In addition, the thrips set off many dark Kottropfen.
Since thrips prefer a warm and dry environment, it is advisable to first increase the humidity. So spray your plants more often during the day (not during the blazing midday sun!) With water. However, you can also use preparations containing the active ingredients of the neem tree (for example, Bayer Bio-Schädlingsfrei Neem) to combat the tiny creatures.Anyone who still has nettle or garlic sauce ready to do so can also take action against the thrips.