Potted Asarum can choose sandy soil with deep and fertile soil layer and rich humus. When the asarum is transplanted to the basin, it is necessary to add proper base fertilizer to the soil.
Asarum like cold and half shade environment, it is cold and afraid of heat and strong light, grow better in shade environment. The suitable temperature for growth is between 20 ℃ and 25 ℃. When the temperature is higher than 35 ℃ in summer, it is easy for plants to wither. In winter, it can bear low temperature and survive under zero temperature. In the growth process of asarum, it is better to keep a certain shade condition, but do not keep it away from sunlight. The sun is strong in summer, so it needs to be shaded in time.
After the asarum planting, the soil needs to be kept moist, so it needs to be watered in time. When the soil is dry, it needs to be watered in time. In fact, asarum does not need to be fertilized frequently. Apply base fertilizer when planting, and then topdressing can be carried out. Generally, it can be applied twice a year at the end of spring and the beginning of autumn.
When Asarum propagates, it mostly adopts the way of sowing propagation, which is the main method. It can also be propagated by means of individual plants and rhizomes.
The diseases of asarum, mainly Sclerotinia, are mainly due to improper maintenance, so it is necessary to strengthen management and control. Insect pests mainly include small tigers, locusts, black caterpillars, asarum and Papilio, etc., which are harmful to plants and need to be sprayed in time.
Asarum can grow well only in the dark environment. Generally, asarum can be given 50% light, and shade shed can be built if necessary.