1. Land selection: In sunny hillsides, valleys, hills, plains, roadsides, ditches and other dry lands, according to the land conditions, ploughing and applying base fertilizer will form ridges, ditches or border beds.

Second, the reproductive method of sexual reproduction: the autumn harvest seeds are soaked before winter, mixed with wet sand according to the ratio of 1: 3, then put into a pit with a depth of 0.7m, and covered with 10 ~ 14? Thick and clean sand, compacted and covered with grass.

Sow in spring or autumn in late June after thawing. 10. Seeds can be separated by 33? 7 ~ 10? As needed, or sowing, covering soil, watering and moisturizing. 30 two-year-old seedlings? Deep pit, soil compaction, root watering.

Asexual reproduction will chop off the roots of old plants and plant them again, in the same time and method as planting.