The cultivation of hundred-day chrysanthemum is a kind of flower cultivation with a long history and wide application. It is suitable for planting in spring, summer and autumn, and it has the characteristics of strong adaptability, strong resistance to disease, beautiful flower shape and long flowering period. The method of cultivating hundred-day chrysanthemum is relatively simple. Generally speaking, it needs to be prepared before sowing: soil preparation, seed selection and disinfection. Then sow the seeds in the soil that has been prepared before according to requirements. After sowing, pay attention to water management and fertilization management. If necessary, you can spray some pesticides in time to control pests and diseases. Finally, when the flowers are blooming beautifully at the end of October or early November every year, they can be harvested for sale or appreciation.