If you spend the winter in the south, you generally don't freeze to death. In the north, although hibiscus can overwinter in the open air, it has strong adaptability to the climate, both high temperature and cold resistance, and can normally overwinter at MINUS 27℃, but its germination ability is closely related to the temperature. The lower the temperature, the worse the germination. Therefore, it is necessary to take protective measures to ensure that hibiscus flowers can survive the winter safely.
The above information is for reference only. If necessary, it is recommended to consult experts who grow hibiscus flowers.