Like warm and humid environment, like the sun, resistant to half shade, afraid of direct sunlight. It is suitable for loose and fertile sandy loam with good drainage. The number of cultivated asparagus in North China was more than that in middle and late April. Some old roots were cut off when changing pots, and 4 parts of rotten leaf soil, 4 parts of garden soil and 2 parts of hesasi were added.
In spring, water shall be poured thoroughly every 2-3 days. At this time, if the air is dry, spray water on the plant every day to the surrounding ground of the maintenance site; spray water once every two to three days in autumn to increase the air humidity. As the fleshy root in winter, it should not be watered too much at ordinary times for fear of water logging; in summer, it should be watered once a day for water permeability.
May to September is the period of vigorous growth, which can be used every 15 to 20 days. If the indoor light is insufficient, it should be put out for maintenance in spring and autumn; in winter, when the indoor light is sufficient, the room temperature should be kept above 5 ℃, water once every 10-15 days, and spray and wash the branches and leaves every 3-5 days.
The propagation of asparagus can be carried out in combination with the pot changing in spring. The mother plant should be more than 3 years old. When splitting, the mother plant should be taken out of the pot according to the size of the cluster. The seeds were planted in several pots, watered and placed in half shade for 10-15 days. The seeds matured at the end of December, soaked in water after harvest, peeled and dried. Spring sowing, indoor temperature should not be lower than 15 ℃, a month can germinate, seedlings about 4-5cm long when the plant, each pot several.
