The yellowing of leaves in potted green plants may be caused by these reasons.

Now potted green plants have become very popular, no matter in families, companies, parks and other places, they can not only beautify the environment, but also play a role in purifying the air. Most of the green plants are easy to maintain, as long as they master their growth habits, they will not go wrong. However, there are still some friends who respond to the phenomenon that the leaves of his potted green plants are always yellowing, which may be caused by the following reasons. Let's take a look.

First, the reason why the leaves of potted green plants turn yellow.

1. Long-term water shortage

If the green plant is short of water for a long time, the plant can not grow normally. If it absorbs water, it will cause the leaves to be light, yellowing, wilting and without luster. The main performance is to change from the old leaves.

2. Overwatering

If the green plant is overwatered, it is easy to have stagnant water and rotten roots, so the whole plant is unable to absorb water and fertilizer, mainly from the tender leaves to yellowing, and then to the old leaves yellowing and falling off, resulting in serious death of the whole plant.

3. Excessive fertilization

Many people raise potted green plants and try their best to fertilize them if they want to grow and blossom fast. the result is counterproductive, resulting in overnutrition, resulting in uneven surface of new leaves, yellowing and scorching of the tips of old leaves, and green plants will die if they are not treated in time.

4. Long-term lack of fertilizer

Many people do not have the concept of topdressing or changing pot soil at all, especially in the period of exuberant growth, it is easy to cause the whole plant to grow too slowly, the plant slender and the leaves yellowing due to lack of nutrients.

5. Soil acidity and alkalinity is not suitable.

Some green plants need to grow in alkaline soil. If you do not know its habits in advance, it is easy to make mistakes in the soil, then the acidic soil will lead to the yellowing of the leaves of potted green plants.

6. The temperature is too high or too low

If the temperature is too high or too low, the leaves of potted green plants may turn yellow, the leaves of shade-loving green plants will be directly sunburned in summer, and the green plants will enter the dormant period in winter, and the leaf yellowing may be its self-protection mechanism, so there is no need to worry too much.

Second, how can potted green plants maintain and reduce the yellowing of leaves?

1. Rational watering

Potted green plants should be watered according to soil wettability, plant growth, season and other factors. Generally, for drought-tolerant plants, the basin soil should be kept moist and dry as far as possible, and once thoroughly watered until dry, moisture-resistant plants can keep the basin soil moist, and watering should be carried out when slightly dry. It needs to be watered a little more in summer, but it can be controlled for longer in winter.

2. topdressing at the right time

If the growth of potted green plants is normal, it is proved that soil-based fertilizer can meet its growth. In order to prevent it from yellowing leaves due to long-term lack of fertilizer, we should topdressing at the right time. When giving fertilizer, it must be thin and not too thick. If you give too much at one time, remember to water and dilute or change the basin soil in time.

3. Maintain in a ventilated environment

If the environment is not ventilated, too humid, then potted green plants will appear diseases and insect pests or yellow leaves, we usually have to maintain indoor ventilation, green plants can be placed on the balcony or indoor windowsill, pay attention to observation.

In addition, pests can also lead to leaf yellowing, usually spray water around potted green plants to increase air humidity, but also to clean leaf dust to reduce the occurrence of insect pests.