It's called Hibiscus, and your photo is a little fuzzy, but you can tell by its leaves. Hibiscus can also be called an inexhaustible flower, desert rose. Its flowers are like mallow, white, pink-purple to purple, deep red at the base, and some varieties have double flowers.

Hibiscus likes warm and humid climate, but it is also very cold-resistant. Like light, tolerant of half shade. Drought resistance, water resistance and moisture resistance. Strong adaptability, lax requirements for soil, can grow normally in barren gravelly soil or slightly alkaline soil, but deep, fertile and loose soil is preferred. Strong germination and pruning resistance. Strong resistance to smoke, sulfur dioxide, chlorine, etc. The official picture of hibiscus is as follows: