1、 Cause of blackening

In the maintenance process of Changshou flower, sometimes the branches and stems may turn black, then wilt further, and finally the whole plant will die. So this kind of branch blackening is actually a disease, which is the black rot of Changshou flower. The cause of this disease may be soil hardening, or excessive watering, or a disease caused by high temperature

2、 Solution

After the occurrence of this black rot disease, one is to immediately remove the location of the disease, trim it, and discard the diseased tissue, which can be thrown away or buried deeply. For the upper branches, we can cut them again, soak them with fungicide for a period of time, and then cut them again to form new plants. In this way, long-lived flowers with blackened branches can be disposed of