See grass in the moon like light, suitable for cultivation in the courtyard ventilation bright place, can also be cultured in the balcony, daily absorption of sunlight.
During the growth period, liquid fertilizer was applied once or twice a month, nitrogen fertilizer was mainly applied in the growth period, and phosphorus and potassium fertilizer were mainly applied in the bud stage.
The monthly grass is more drought resistant, but not waterlogging resistant. When the surface of the soil is dry, it should be watered in time. After each watering, it should be timely weeded in the middle till to protect the moisture and ventilation, and promote the growth of the plant.
The requirements of evening primrose for soil are not strict. Generally, neutral, slightly alkaline or slightly acid soil can be used, and sandy loam with good drainage and loose and fertile soil has the best growth situation.
If the evening primrose is transplanted from other places, it is necessary to carry out a coring after the planting of slow seedlings, so as to promote its branch and plant Dwarfing and increase the flowering.
In the warm area of the Yangtze River Basin, it can live through the winter in the open, but if the temperature is too low in the north, it will be transferred to the greenhouse for cultivation.
During the flowering period of evening primrose, 9 parts of water were mixed with thin human urine, or liquid fertilizer fermented and rotted with bean cake, rapeseed cake and colored bone, and applied every 3-4 days.
Evening primrose is generally suitable for sowing in October. When winter comes, the seedlings will be transferred to the indoor for overwintering and planted in spring.
For biennial cultivation, there are more flowers than annual cultivation.
Cuttage is suitable for spring and summer. It takes about one month for rooting and germination. After about 85 days of survival, it can bloom.
Stop fertilizing half a month before the evening grass enters the house for overwintering.