Night Blooming Cereus Queen of the Night - Deer-Horn Cactus. Night-blooming cereus is the common name referring to a large number of flowering ceroid cacti that bloom at night. Queen of Night (Source: WIKIPEDIA) Known by many names such as the Princess of the Night or the Queen of the Night, the Cereus cactus is a species of cactus whose flower only blooms at night, typically between the months of July and October. Peniocereus greggii - Cereus greggii. ... a dozen species of cactuses that produce flowers that only bloom at night. A plant that is often passed along from friend to friend, parent to child. One Night a Year, This Cactus Flower May Surprise You. Of unknown origin, but it is widely grown and naturalized in the tropical Americas. Queen of the Night or Kadupul or Tan Hua or Dutchman’s pipe cactus (Epiphyllum oxypetalum) is the world’s most expensive flower, bearing no price tag at all and is said to be Priceless. Epiphyllum oxypetalum, commonly called queen of the night, Dutchman's pipe or night blooming cereus, is an orchid cactus that bears showy white flowers in spring or early summer. Queen of the night grows best in slightly acidic soil, with a pH between 5.5 and 6.5. This is the Orchid Cactus, also known as Queen of the Night, Night Blooming Cereus, and Epiphyllum. Ideally, allow it to settle into its new home in the shade. Queen of the Night This gorgeous fragrant flower blooms only at night and it only lasts for an hour. Faded blooms dry and drop naturally from plants, or you can gently break flower stems to remove them. Queen of the Night. Night-blooming cereus opens its flowers after dark, usually between 8 and 9 p.m. Buds open slowly, releasing fragrance from the first moment, and are usually fully unfurled about midnight. She blooms in full and her beauty is only witnessed by the night sky and, by dawn, she wilts even before the sun’s first kiss; with only her fragrant scent left as the ghost of her evening arrival. oneHOWTO explains more about how to care for a lady of the night plant. This is the Orchid Cactus, also known as Queen of the Night, Night Blooming Cereus, and Epiphyllum. The weather should be more than 55 degrees Fahrenheit when the flower is first planted as well.