Songhongmei likes a cool, humid and sunny environment. In spring, it should be provided with sufficient light. It should be placed in a place that can absorb the scattered light of the sun and try to avoid direct sunlight.
After the flowering period of red plum in spring, a careful pruning should be carried out to achieve the purpose of dwarfing the crown, maintaining the beautiful shape of the tree, and promoting the germination of new flowering branches.
Pines and red plum are afraid of high temperature and sun exposure in summer, so they need to be placed in shade shed, tree shade or other cool and ventilated places for maintenance.
In summer, increase the frequency of watering, or spray water mist around the plants frequently to increase the relative humidity of the air. However, in rainy season, pay attention to timely drainage to avoid root rot due to water accumulation in the soil.
Autumn is the growth period of pines and red plums, once every 1 to 2 months, apply the thin liquid fertilizer. it can be propagated by cutting, high-altitude layering, sowing and other methods.
The suitable temperature for seed germination and branch rooting is about 20 ℃, so it is suitable to propagate in cold mountainous area, while the survival rate is low in high temperature and wet area.
In winter, control the water content and keep the soil slightly wet and dry to prevent the frost of pine, red plum and stop watering if the temperature is too low.
The suitable temperature for the growth of pine and red plum is 18 ℃ - 25 ℃, which should be kept above - 1 ℃ in winter. Therefore, it can only be used for potted viewing in the north, and it can be used for courtyard greening in the South with mild climate.
In winter, the pine and red plum in the north can be placed in the greenhouse for cultivation, and in other areas, the orange grass can be kept warm or planted in the south side of the building for microclimate protection.