The night-blooming cactus, or orchid cactus, belongs to the genus Epiphyllum, a group of tropical epiphytic cactuses that live mainly in trees in Mexico, Central America and South America.

A bloom night like tonight In early May, Zellmer noticed it happening again. The orchid cactus on the fourth floor began pushing out a single green bud that hung down from its fleshy stem.

The biggest problem with growing orchid cactuses is figuring out just what they are. They are cactuses, but are not spiny. Their spectacular blossoms are neither orchids nor orchidlike. Sometimes ...

A "nocturnal" orchid that blooms only under the cover ... Other plant species bloom at night — the aptly named corpse flower, whose massive bloom stinks of rotting flesh, typically begins ...

With only a day’s notice, the public is invited to witness the rare Queen of the Night cactus bloom by moonlight.

The gardens will host a one-night-only viewing party so they public can watch the cactus' flowers open, which only happens ...

You know summer is here when two things happen: The tourists leave and the night-blooming cactus flower arrives. The flowers are a special treat for locals who stick out the summer heat.

or orchid cactus, not to be confused with the night blooming cereus flower or the Dutchman’s pipe cactus. This astonishing cactus originates in Central America and South America and is prized ...

A bloom night like tonight In early May, Zellmer noticed it happening again. The orchid cactus on the fourth floor began pushing out a single green bud that hung down from its fleshy stem.