1. Substrate selection: According to the requirements of soil, loose and well-drained soil is selected, which can tolerate saline-alkali land, and can be planted in plain and mountainous desertified land.
2. Illumination management: Roses in cold regions like an environment with sufficient illumination, which is not strict with illumination, and can also accept a semi-shade environment, but good ventilation should be maintained.
3, temperature management: like cool and humid environment, can endure cold, the lowest temperature can reach -49 will not die.
4. Water management: water should be supplied according to the degree of dryness and wetness of the soil. The roses in cold regions can endure the drought environment and cannot be frequently supplied with water. Excessive watering will cause waterlogging, and the plants with rotten roots will die.
1, winter: cold roses can endure cold weather, the lowest temperature can reach -49 will not die, but to maintain good light, not too much water.
2. Plant division: cut off the root 10cm from the cold rose seedling, bury it in the soil, and give water, it can germinate after half a month.
