Reasons and Treatment Methods for Lemon Tree Leaves Turning Yellow
The yellowing of lemon tree leaves may be due to improper care or handling in terms of potting soil, fertilizer, lighting, and other aspects. If it is caused by a lack of certain nutrients or insufficient fertilizer, corresponding nutrient elements should be applied to ensure sufficient fertilization and nutrition. If it is caused by insufficient water, water should be supplemented promptly. If it is caused by insufficient lighting, the lemon tree should be provided with appropriate light.
Reasons for Lemon Tree Leaves Turning Yellow
The yellowing of lemon tree leaves may be due to improper care or handling in terms of potting soil, fertilizer, lighting, and other aspects. Let's specifically understand the reasons for the yellowing of lemon tree leaves.
1. Water and Fertilizer
The first reason for lemon leaves turning yellow is due to insufficient watering and fertilizing, because lemons need to bloom and bear fruit. When planted in a pot with limited soil, watering and fertilizing must be adequate.
Fertilizer should also be applied regularly and in proper amounts because lemons need to grow, bloom, and cannot do without fertilizer. If fertilizer is not applied for a long time, the bottom leaves will turn yellow and fall off in large numbers.
During the growing season, lemons should be supplemented with multi-element fertilizers as much as possible. When they start to bloom and bear fruit, high-phosphorus and high-potassium fertilizers should be chosen.
2. Alkaline Potting Soil
Another main reason for lemon leaves turning yellow is due to alkaline potting soil.
Lemons are a type of plant native to the south, where they can be planted extensively, whether in the ground or in pots. However, in the north, the water and soil are alkaline, which is not suitable for lemons.
Over time, the soil becomes too alkaline and cannot absorb iron, causing the new leaves of lemons to turn yellow.
Therefore, when growing lemons in the north, it is important to remember to regularly water with a solution of ferrous sulfate or chelated iron to maintain acidic soil and prevent iron deficiency, ensuring that new leaves do not turn yellow.
Apply once a month or two to prevent yellowing.
3. Low Temperature
The third reason is due to low temperatures. As mentioned earlier, lemons are a type of plant native to the south, which is most afraid of low temperatures.
If the indoor temperature in the north during winter is below 5 degrees, the leaves will fall off in large numbers, and below 0 degrees, they may freeze or even die.
When growing lemons, it is best to maintain temperatures above 10 degrees to induce a dormant state, and above 15 degrees for normal growth. This is a very crucial point, and care must be taken.
Solutions for Lemon Leaves Turning Yellow
Reasons and Treatment Methods for Lemon Tree Leaves Turning Yellow
1. Change Potting Soil
Lemons are not very picky about the environment and soil, but if the soil is not suitable or watering and fertilizing are not appropriate, it can easily cause the leaves to turn yellow.
We need to change the potting soil immediately and cut off the decayed roots to help the plant gradually recover.
2. Supplement Fertilizer
Lemons generally require sufficient nutrients. If the plant lacks nutrients, it can easily cause the leaves to turn yellow.
In this case, immediately apply a nitrogen-phosphorus-potassium compound fertilizer to the soil to provide the plant with sufficient nutrients, but be careful not to over-fertilize as it can exacerbate the problem.
3. Appropriate Lighting
Actually, lemons are plants that enjoy sunlight. If they lack sunlight or are exposed to direct sunlight in the summer, what should you do if the leaves of the lemon turn yellow?
Usually, they should be moved to a sunny spot immediately, and during the summer, they should be placed in a shaded area and watered promptly to promote plant growth.
4. Pest and Disease Control
Usually, when lemons are affected by pests such as spider mites, aphids, or yellowing diseases, the leaves of the plant can easily turn yellow and should be treated immediately. In addition, fertilizer should be applied to increase disease resistance, and surrounding weeds should be removed and appropriate pest control agents should be sprayed.
This article shares methods to solve the problem of lemon leaves turning yellow and introduces reasons for lemon tree leaves turning yellow, which can be used as a reference.