- electricorchid: The rick rack cactus. The rick rack cactus (Selenicereus anthonyanus) is a rare epiphyte from the rainforests of southern Mexico. Its stunning flowers open at dusk, to be visited by moths and bats.
The saguaro cactus of the Sanoran Desert can grow to be 50 to 60 feet to 18 m) in height and live upwards of 200 years. And when their creamy white flowers begin to bloom in early May and fill the desert landscape, the sight is spectacular.