Why lemon leaves turn yellow, how to determine and eliminate the cause

Why lemon leaves turn yellow, how to determine and eliminate the cause

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Lemon trees are popular with indoor flower growers. But at the same time, they are very whimsical, they are quite difficult to grow.

Often, the owners of this citrus observe the yellowing of its leaves. If this happened, you need to find out the reason and try to save the plant.


  1. Common problems with growing lemons
  2. For what reasons do lemon leaves turn yellow?
  3. Pests and the fight against them
  4. How to fix the situation, the principles of proper care

Common problems with growing lemons

The natural habitat of citrus fruits is the tropics; it is rather difficult to achieve such a climate in an ordinary city apartment. Therefore, many flower lovers find their cultivation somewhat troublesome. At the same time, several of the most common problems are noted. In particular, the tree can shed its leaves, stop growing.

The reasons for such phenomena can be a wide variety of factors: from insufficient volume of soil to the container to excessive dryness of the same soil or even air in the room. In addition, plants are sensitive to mineral and nutrient deficiencies, as well as to the quality of lighting.

But even more often you can find on the forums complaints from amateur flower growers that yellow leaves are observed on lemon. We will try to deal with this issue.

Causes of yellowing of lemon leaves

Often, improper care of the plant becomes the cause of yellowing of the leaves. If the lemon leaves turn yellow, it may be responding to one of the following factors.

Incorrect lighting

Both excess and lack of light can cause yellowing of the leaves. When exposed to direct sunlight, yellow burns appear on the leaves. If the lemon has light leaves with yellow dots, it is too dark.

Uncomfortable temperature

Lemon is a thermophilic plant. It reacts negatively to drafts and temperature changes. If the citrus freezes, then its leaves begin to turn yellow and curl around the edges. As a result, indoor lemon sheds its leaves.

Excess watering

He loves wet soil, but everything needs a measure. Due to excess moisture, the roots begin to rot. At the same time, the leaves turn yellow and fall off evenly.

Depleted ground

If yellow dots appear between the veins, then there is not enough power.

Dry air

Citrus fruits are native to the tropics, so they prefer high humidity air. If the tips of the leaves dry on a lemon, the leaves gradually turn yellow and fall off, this suggests that the air is dry for citrus fruits.


Lemons are highly susceptible to various diseases. At home, it is difficult for them to become infected, but there is a great risk of acquiring a diseased sprout. If the care is correct, and the tree still turns yellow and dies, most likely the disease is to blame.

Natural causes

If 1-2 leaves have turned yellow, and the rest of the plant looks healthy, this is most likely a sign of natural foliage renewal.

Pests and the fight against them

A houseplant can be attacked by a wide variety of pests.

Most often it is affected:

  • aphids
  • whitefly
  • thrips
  • spider mites
  • false shield
  • mealybugs
  • nematodes

Each of the pests weakens the tree, feeds on its juices and may well cause wilting or yellowing of the leaves, especially young shoots and leaves of plants suffer from sucking insects.

You can fight pests using the appropriate chemicals, fortunately, their choice is now simply huge. The limitation should be the fact that the processing will be carried out in a room.

If you wish, you can use homemade plant-based products that are less toxic to humans and pets.

Experts say that this kind of problem can be avoided if you follow simple preventive measures:

  • the soil should be disinfected before planting plants
  • it is recommended to keep newly acquired flowers in quarantine for about a month, placing them next to flowers that have been living in the house for a long time, safe in terms of disease, can only be made sure that they are healthy
  • it is advisable to place bouquets of flowers brought into the house away from pots with other green pets
  • will save citrus trees and systematic washing of leaves with running water, they can be done once a month

The principles of proper care

In order for a lemon to feel good at home, and its leaves do not turn yellow, you need to follow the rules for caring for this whimsical plant:

  • The lighting should be bright but comfortable. It is best to place the lemon pot on the south or east side. If there is a lack of light, artificial lighting should be added.
  • Drafts and temperature changes must be avoided. Do not put a lemon near a battery or near an open window.
  • Do not overfill the plant. If this happens, you need to transplant the lemon. In case of decay of the roots, they need to be pruned and dried.
  • In order for the plant to have enough nutrition, you should use top dressing. It is best to choose a special lemon fertilizer.
  • To maintain optimum moisture, the leaves should be regularly sprayed with water. A humidifier will not be superfluous.
  • If pests are found, it is necessary to thoroughly wash the inside of the leaf with soapy water or treat the tree with insecticides.

Lemon looks great with the right care. If you neglect the care of citrus fruits, it can die. When yellow leaves appear, you must immediately identify the cause and eliminate it.

Let's watch an interesting video with care recommendations:

Watch the video: How to fertilize lemon trees. Plant leaves turning yellow? Correcting iron and magnesium problems (May 2022).