What are the white flowers growing on the rocks?

From the picture, it may be Peucedanum praeruptorum, a Chinese herbal medicine, which belongs to Peucedanum in Umbelliferae.

How to raise Peucedanum praeruptorum

First, the breeding environment

1, soil: Peucedanum praeruptorum cultivation requires deep, fertile, loose and high humus content, and it is better to use yellow sand loam or oily sand to meet its requirements for soil.

2. Fertilization: During its growth, it is generally necessary to fertilize for three times. Plant ash should be used as base fertilizer for the first time, and it should be carried out together with sowing. The second time is usually from the end of May to the beginning of June, using urea, the dosage is 2.5 kg per mu, or about 750 kg of human urine. The third time is around the Millennium, during which Cuim granular compound fertilizer needs to be applied.

Second, the prevention and control of pests and diseases

The growth of Peucedanum praeruptorum mainly focuses on powdery mildew. At the onset, powdery spots will appear on the surface of the leaves, which will gradually turn yellow. You can spray carbendazim in an appropriate amount to remove the diseased plants in time.