Catharanthus roseus is a cold-resistant and heat-resistant evergreen flower herb with strong vitality, so it is called an ideal ground cover plant. Its color is very beautiful and colorful, and the shape of its leaves is also very unique, which has good ornamental value. Its flowering period is also relatively long, usually in March-May. If the maintenance is strengthened, it will be opened many times a year. Catharanthus roseus is a flower plant with high ornamental value.