Corydalis is a photophilous plant, which needs sufficient light during its growth. If the viola is cultivated in a sunny place, its flowers will be more gorgeous. But in summer when the sun is strong, we should also pay attention to shade, so as to keep the leaves green. However, it should not be too shady. It will be in vain.
Corydalis like high temperature environment, can withstand high temperature, but not cold. In winter, when the temperature is lower than 12 ℃, it should be put into the room for maintenance. The winter temperature should be kept above 15 ℃ to avoid frost and death of Corydalis plants.
Corydalis likes the soil with good drainage, which requires fertile and moist soil.
Corydalis likes humid environment. It should be watered frequently in growing period, but not too much water. Keep the pot soil moist. When the basin soil is dry, it can be poured through. In summer, water should be kept away from the high temperature period at noon, and the soil should be kept moist to a certain extent, and water should be sprayed frequently to increase the air humidity. In winter, we should also follow the principle of dry through watering.
It is necessary to apply organic fertilizer as base fertilizer before cultivation of corydalis. However, the demand of Corydalis mandshurica for fertilizer is not large. 2-3 times of chemical fertilizer or organic fertilizer can be applied in the growing period. As long as the growth of Corydalis has sufficient nutrients, it can grow vigorously and bloom brightly.
The propagation methods of Corydalis are mainly sowing propagation and cutting propagation.
In the whole growth process of Corydalis, attention should be paid to it. Picking heart can promote more branches and flowers.
In the daily management of Corydalis, we should pay attention to the prevention and control of diseases and insect pests, and often observe the growth of Corydalis in order to find diseases and insect pests in time and treat them in advance.