The flower bud of Daphne odora in Phnom Penh turns black and falls off, which may be caused by too much water. If it is always over watered, there will be a lot of water in the pot soil that cannot be drained out, and its root will rot when it is soaked in water, which will affect the growth of the flower bud, turn black and fall off. Or when watering to the flower bud, water evaporation will not be accumulated in the flower bud, a long time will black rot, serious will drop the flower bud
In general, when this kind of bad performance occurs, it can be saved by taking remedial measures in time. But if the situation is more serious, the possibility of saving lives will be smaller
It is necessary to place Daphne odora in a well ventilated place to avoid its growth on the hot and humid ground. Check whether there is water in the flowerpot. If there is water, pour it out. It's better to turn over the soil again, so that the water can be discharged faster. Usually, it will get better after a period of maintenance. If the flower bud still turns black and falls off, it is necessary to properly trim the root system. It should be carefully taken out of the substrate, cut off the black rot root system with scissors, sterilized and then put into the basin again