Are roses hardy flowers?

Rosa, a perennial deciduous shrub of Rosa in Rosaceae. Morphological or upright, or climbing, or crawling; Roses have prickly leaves on their branches; The child is a standby; Flowers are solitary or clustered at the top, with red, white, pink, yellow and purple colors; The fruit is nearly red and spherical, and the flowering period is May-June. Rose, "Herbal Classic" as "Bi Teng". According to Li Shizhen, because of its "soft grass", it leans against the wall, hence the name Rose.

Rosa davurica has certain cold tolerance. It can overwinter in the open field in most parts of the north, and some varieties have strong cold resistance and can tolerate low temperature of about -40. Most varieties can survive the winter safely in the north. However, if it is planted in the three northeastern provinces, it is recommended to take cold-proof measures as much as possible before winter.

Winter maintenance of Rosa davurica: 1, soil: Rosa davurica does not require much soil when cultivated in winter, but it is best to plant it in a fertile, moist and well-drained place. When plants are first planted, we should pay attention to the application of decomposed organic fertilizer. After one or two years, we can open ditches and apply base fertilizer once before winter. 2. Watering: When the wild rose breeds, it should be watered according to the specific weather conditions to keep the soil moist. As long as it is moist, there is no shortage of water in winter festivals, and attention should be paid to the amount of water when watering to prevent water from accumulating in the roots of plants. 3. Pruning: Pruning in Rosa davurica is necessary, especially in winter. Cutting off the weak branches of diseased branches, leaving the main branches and removing some side branches can promote the germination of new buds and the healthy growth of plants. 4. Fertilization: The plants in the wild rose grow bigger and bigger, and there are more and more flowering plants, which need more fertilizer. Especially in winter, the soil should be cultivated and fertilized at least once, and the flowering period should be once or twice a week.