People stay up at night to enjoy the opening of the flowers of the tropical wonder Epiphyllum petalum, better known by its ...

This means giving the cactus at least 12 hours of pure darkness each night; a garage or basement will be much more effective than other rooms of the house, which may see more direct or indirect light.

A tall, column-shaped cactus native to South America goes by many names, including Queen of the Night cactus, Hedge cactus, and Night-blooming Cereus (Cereus hildmannianus). Flowers open at night and ...