What is the reason for the yellowing of Michelia mollissima leaves

Michelia mollissima is a traditional famous flower in China, which has a long history of cultivation in China. Because of its delicate appearance, it is full of high ornamental value, and it is also strong in other aspects and has high medicinal value. But as a pot culture process, there is a yellowing of leaves, what is the reason for this? Let's get to know it.

1. Soil discomfort

The leaves of Michelia flowers suddenly turn yellow, which may be caused by soil discomfort, which makes the roots of Michelia flowers unable to grow normally, the absorption of roots is blocked, and the leaves are yellow due to lack of nutrients and water. It is suggested that the new soil should be replaced in time, or ferrous sulfate can be used to improve the acidity of the soil and loosen the soil appropriately so as to restore more vitality.

2. Overwatering

Michelia has a strong drought tolerance, usually do not need to water it in time, if too much watering, the root system soaked in stagnant water, the root system will suffocate rot, resulting in its leaves yellowing. Therefore, we must control the amount of watering, one watering should not be too much, especially in the winter dormant period, we should control the watering amount of Michelia flowers, and cut off the rotten roots and reconfigure the new soil.

3. Excessive fertilization

Michelia mollissima has a low demand for nutrients. If a large amount of fertilizer is applied to it in the process of culture, it will also cause its leaves to turn yellow, and in serious cases, cause root rot and blackening, and plant death. Therefore, it is necessary to control fertilization in the process of culture, except in the vigorous growth of appropriate fertilization, the rest of the time does not need to apply fertilizer, excessive fertilization is to timely pour a large amount of water into the soil, dilute the fertilizer concentration, or change pots to change soil, re-transplanting.

4. Seasonal temperature difference

In the environment of large temperature difference between autumn and winter, the leaves of Michelia are also very easy to turn yellow, and may even make Michelia die. It is usually placed in a ventilated and well-lit environment during the day, while temperature control is needed at night to control the temperature above 10 degrees to minimize the impact of the temperature difference on it.

The above is the introduction of why the leaves of Michelia mollissima are yellowing. I hope it can help you. If you want to know more about it, please pay attention to us.