Primroses have a long flowering period and can bloom in winter. Generally, the flowering period lasts from December to April of the next year. The flowers are bright and bright when they are in bloom, and they are in full bloom in early spring, with higher ornamental value. It has many varieties and different flowering time. But our common primrose, Nanking cherry blossom and Tibetan primrose can bloom in winter, among which primrose is the most strict and popular.
1. Temperature: although it blooms in winter, its cold resistance is very poor. Winter maintenance temperature should be about 10 degrees, not less than zero, or frostbite, affect growth and flowering.
2. Watering: when its flowers bloom in winter, they will consume a lot of water. At this time, it is necessary to make up water frequently. Usually every three days to make up water once, enough water to normal pregnancy bud, but attention should not be excessive, not water.
3. Fertilization: in addition to water, we need to supplement nutrients. The fertilizer should be applied once every half a month with the diluted potassium dihydrogen phosphate solution. One time of phosphate fertilizer should be applied in the flowering period to make the flowering period more lasting.
