What should I do if Euphorbia milii loses its leaves?

Overwatering

The first reason may be that too much water was given to the Euphorbia milii. The stems and leaves of Euphorbia milii are fleshy and have good water storage capacity, so it does not have to worry about drought. However, attention should be paid to waterlogging caused by excessive watering. Too much water will damage the root system of Euphorbia milii, which can easily cause its leaves to fall off. Be sure to control the amount of watering to avoid this kind of situation.

Improper fertilizer application

The second reason may be that too much fertilizer was used. A small amount of fertilizer can be applied when Euphorbia milii is growing. If there is too much fertilizer, it will affect the roots of the plant, which is what we call root burn, which will also cause leaves to fall off. If this happens, you need to stop fertilizing and dilute it with water.

Poor ventilation

There is also the issue of air. When Euphorbia milii grows, it has relatively high requirements for the environment. We must always maintain the breathability of the surrounding environment. Many times we plant it in the yard. If it is indoors, we can plant it on the balcony to prevent it from falling leaves.

Physiological leaf drop

There is another normal situation. At the end of autumn, Euphorbia milii will experience a period of vigorous growth, and will slowly enter a state of winter dormancy. It is very normal for leaves to fall off at this time, and new leaves will grow in the second year.

Temperature is too low

The last factor is the temperature. In winter, if the ambient temperature drops below 10 degrees, Euphorbia milii will begin to shed leaves. Some old leaves will fall off, and new leaves will continue to remain. If the temperature continues to drop, all the leaves will fall off, so the temperature must be maintained appropriately.