1. The temperature conditions are not very appropriate, because although it is autumn now, the temperature is still relatively cold. Especially in the north, there are many places are still floating with snowflakes, so it is likely that yellow leaves appear because they are frozen
2. Another reason is that those who have heating in the room have not stopped heating. The room is warm and very dry. And the plant is more like the humid environment, so this leads to poor growth of plants
3. Spring is a relatively fast growing season, which may be caused by insufficient nutrition. There is not enough nutrients to make its roots can not absorb nutrients, leading to yellow leaves.
1. It is better to give it a warmer temperature condition for growth, keep the temperature above and below 15 degrees, and put it in a better position in the sun, but it is better to move it to a shade place at noon.
2. If there is heating in the room, it is very dry in the room, so it is necessary to cut off its yellow leaves and spray more water twice a day. And also want moderate carry on fertilization, ensure its root has nutrition to absorb..