What's the name of this potted flower? Is it easy to raise?

The legendary mulberry trees in the ocean where the sun rises.

China has a long history of cultivating hibiscus. As early as the pre-Qin Shan Hai Jing, there was a record of hibiscus flowers on the Tang Valley, while the Southern Vegetation in the Jin Dynasty recorded that its flowers were as deep as hibiscus, so it was called Zhu Jin, "crimson, five flowers".

Fusang is a strongly positive plant, which likes to be warm and humid, needs sufficient sunshine [1], is not tolerant to shade, cold and drought, and can only be potted in the Yangtze River basin and northern areas, and overwinters at the temperature of 12C ~ 15C in greenhouses or other protected areas. When the room temperature is below 5℃, the leaves turn yellow and fall off, and when the temperature is below 0℃, they are frozen. Pruning resistance and strong branching ability. It has wide adaptability to soil, but the slightly acidic loam with rich organic matter and pH 6.5 ~ 7 grows best. The bright flowers of hibiscus bloom in the evening, and they are colorful. In the south, they are mostly scattered in front of pavilions, roadside and walls in Chi Pan. Potted hibiscus is suitable for living room and porch decoration.