The name night blooming cereus is the name given to all the species of flowering cereus that bloom at night. The flowers are short lived and some of these species bloom only once a year for a single night. These flowers are also known as the Princess of the Night. The night-blooming cereus flowers are almost always white or very pale shades of other colors. Night-blooming cereus are grown in colder climates. They also have a pleasant fragrance.