The temperature of vanderland in winter is required to be above 15 ℃. If the temperature below 8 ℃ is not paid attention to cold prevention, there may be frost damage. In winter and winter, we should also pay attention to the diseases and pests in the greenhouse. The room temperature should be controlled at about 25 ℃ in the daytime and 16 ℃ in the evening. Because of the tropical flowers, the temperature is usually increased at 15 ℃. Maintain the above temperature as much as possible. Combined with the appropriate light, even in the cold winter can also make the Magnolia growth. The greenhouse temperature control in the north is basically until May and June.
Wan Dailan water once every three days in winter. Stop watering when it's cold. It's better to water it thoroughly at one time. Wait until the plant is dry before watering. Keep the air humidity at about 70%. Watering should be more appropriate at noon, basin soil moisture, so that basin soil dry but not dry.
If vanderland is not well ventilated, it is easy to get sick, so proper ventilation is necessary. In winter, the temperature is more than 15 ℃. It is necessary to open windows for ventilation, especially from 11 a.m. to 3 p.m. to avoid the sultry of vanderland.
