1. Soil: loose and fertile soil shall be used. In addition, the requirement for pH value is slight acidity, which is conducive to root development. It can be made up of rotten leaf soil and garden soil, with the ratio of two to one, and can be mixed with some base fertilizer.
2. Light: plant trees, but be afraid of strong light. It is usually placed in a place with scattered light. It can receive more light from September. October can be full light, promote flower bud development.
3. Temperature: usually about 15 ℃. The best temperature in winter is about 10 ℃, not less than 0 ℃. Do not exceed 30 ℃ in summer
4. Watering: the amount of watering shall be appropriate and no water shall be accumulated. In summer, one time in the morning and one time in the evening, and spray water properly. From the end of autumn, it should be reduced appropriately. But winter can't stop, it's the flowering time
5. Fertilization: the growth period and flowering period are in autumn and after. Liquid fertilizer should be added every week and ten days. In the early stage, nitrogen was the main fertilizer, and in the later stage, phosphorus was increased.
It is easy to appear "catarrh disease" in seedling, which can be treated with dikesong. Insect pests also occur from time to time, to timely control.
In addition to the usual clutter, pests and dead branches cut off, more important is the flowering period. If you want to collect seeds, you need to cut off some of the flower branches in the flowering period. After flowering, cut off the dead flowers in time.
Generally, it can be changed once a year. If the soil is good, it can be changed once every two years. After pruning, the old soil can be kept a small part.