Alum is cold resistant, likes sunshine and shade resistant. It is very suitable for curing in the shade. In summer, to avoid direct sunlight, appropriate shade, and remember to keep ventilation. In winter, the alum root can be placed in the sunny place for curing. The alum root is cold resistant and can grow at temperatures above - 15 ℃.
For cultivation of alum root, water should be moderate. It doesn't like too wet growing environment, so water it when it is dry. After the surface of the soil is dry, water it again. In summer, water must be controlled and watered thoroughly, which can promote the normal growth of alum root. In the cultivation of alum roots, we should also pay attention to proper fertilization. In fact, alum roots grow better in the soil with less fertilizer, but they can also tolerate the soil with higher fertilizer content. More nitrogen can be added.
The propagation of alum root mainly adopts the methods of sowing propagation and branch propagation, and can also adopt cutting propagation.
Alum root is a newly introduced color leaf variety in recent years, and few diseases and insect pests are found. However, in the process of maintenance, it is necessary to pay attention to the health of the plant, which can be sterilized by spraying insecticides or carbendazim.
Alum root can be watered twice a week in summer, once a week in spring and autumn, once a half month in winter, or even not. Watering is determined by the condition of the plant. In addition, it can be watered in the afternoon in summer and less in the morning in sunny days when it is cold in winter. Do not spray water on the core.
Alum root originated from the central region of America, and it is mainly cultivated in the north of China.