Lemon tree pests: How to get rid of scale insects and spider mites again


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Pests can quickly destroy your lemon tree. What helps naturally, our guide reveals.

Lemon Tree Shields Spider mites

In addition to the usual fruit trees and shrubs, more and more exotic fruits are entering our gardens. Citrus plants are especially popular because they convey a touch of Mediterranean holiday. But things that grow without problems in southern countries often have a hard time in our country.

However, if you do not want to go without a lemon tree, a certain amount of care is required. Although the plants are bred in Germany, they are still sensitive to the weather and weather conditions. It is therefore hardly surprising that even pests like to settle on the lemon tree. If this happens to you, it means acting before the entire plant is damaged. The most common two lemon tree pests are summarized here in our guide and give tips on how to get rid of the "pests" again.

Scale insects on the lemon tree

Scale insects lemon tree

Scale insects are one of the most common "diseases" that can affect the lemon tree. The scale insects suck on the leaves and these, which ultimately affects the growth. Often scale insects occur when the lemon tree has spent the winter in the house or apartment. The temperature change makes it easy for the scale insects, because inside it is just too warm. Besides, the lemon tree needs light. You can find even more tips for the correct wintering of the lemon tree at kistengruen.de. In case of an infestation, first check the location. Is the lemon tree in the garden or on the terrace in a very shady place?

Identify shield lice on the lemon tree

It is possible to detect the scale insects with the naked eye. However, you have to look very carefully to see the tiny, oval scale insects. They are brownish colored and leave a sticky layer on the leaves of the lemon tree. This has to do with the sugar excreted by the scale insects on their way through the citrus plant. The sticky mass in turn attracts ants. If your lemon tree is inhabited by ants, this can also be a sign of scale insects.

Fight shield lice on the lemon tree

There are certainly chemical agents in trade that can fight lime on the lemon tree. I recommend keeping your hands off. Because of the chemical leg, the lemons themselves are attacked, which may not be in your interest. First try using simple home remedies to get rid of the pest.

  • Water and brush
    Lay the lemon tree on the side or cover the soil in the bucket with a foil, so that the washed-out scales can not get into the ground. Now take a watering can or a water hose and simply spray the small labels. If you can not get away easily from the leaves, use a toothbrush or sponge. This procedure must be repeated on the following days, once brushing is unfortunately not enough to get rid of all the scale insects at once.
  • soapsuds
    An equally natural and easily produced remedy for scale insects on the lemon tree is soapy water. The soapy mass settles in the respiratory tract of the scale insects until they suffocate. To make the lye, take one teaspoon of core soap per liter of water. Now spray the leaves and stems with the lye. Leave everything on (even overnight) and rinse off the lye the next day.
  • rapeseed oil
    If you have no way to wash off the lemon tree, treatment with rapeseed oil is the better method. However, you should cover your underground to catch running down oil. Now make a solution of 30 percent rapeseed oil and 70 percent water and sprinkle with it the entire plant. Please do not use tea tree oil, that will not tolerate your lemon tree!

Small extra tip: Ladybug love shield lice! If the little bugs settle on your lemon tree, leave them. Your plants are affected by mildew? Also help against the cute beetles. (Source: livona.de)

Spider mites on the lemon tree

Lemon tree spider mites

Spider mites are similar to scale insects because they also suck the sap from the leaves of the lemon tree. Most infestations can be found on the lower leaves. Spider mites love it warm, so lemon trees are more commonly used as house plants. According to spinnmilben.net the small pests multiply fastest at temperatures between 22 and 28 degrees. If the lemon tree is in a room with dry heating air, think about relocating.

Recognize spider mites on the lemon tree

If the leaves of your lemon tree have small, silver-colored spots, this may be an indication of spider mite infestation. The longer the pests on the plant adhere, the darker, grayer, the spots are. It forms a spider, similar to a spider web, only finer. In the worst case, the leaves turn yellow and dry up.

Combat spider mites on the lemon tree

Spider mites can be very persistent and also attack the soil of the potted plant. Here helps repot as a first measure. Even if you are angry about the pest infestation, avoid using chemical agents!

  • Ants against spider mites
    Granted, in the apartment you do not want to have ants, so go outside with the lemon tree. Here you simply put ants on the leaves, or put your citrus plant near an anthill and let nature run wild. The ants make their way over the spider mites, because the tiny animals are exactly their prey scheme.
  • Water from the spray bottle
    In case of heavy infestation, this method will not be sufficient, but discover the first spider mites in time, try a water shower. Completely spray the lemon tree with water and repeat this procedure on several consecutive days.
  • film packaging
    As mentioned above, spider mites like to be dry and warm. In order to combat them, you only have to generate artificial moisture. Wrap the lemon tree completely in plastic wrap (or other translucent foil). Tie up and down. Your foil package now works like a greenhouse. It forms moisture that does not harm the plant, but the spider mites already.

Video Board: Solving Insect Problems on Citrus.

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