Hylocereus undatus

Also know as Pitahaya or Dragon fruit plant, it is native to the Americas, It is the most widely cultivated species in the genus

Description: Hylocereus undatus is a sprawling or vining, terrestrial or epiphytic cactus. They climb by use of aerial roots and can reach a height 10 meters or more growing on rocks and trees. They are very variable and closely related to Selenicereus.
Flowers: Flowers are ornate, fragrant and beautiful 25-35 cm long by 30 cm across , white with green outer tepals and bracts.
Blooming season: It bloom only at night, and usually the flower last just one night, in tropical climate the plants can have up to 4-6 flowering/fruiting cycles per year. In temperate climate they bloom In late spring to early summer
Fruits: If pollinated the Hylocereus produce edible red fruits with white pulpa up to 12 cm long.

Cultivation and Propagation: It grows best in dry, tropical or subtropical climates, it need full sun to partial shade. Shade is sometimes provided in hot climates. During the growing season (March-August), the plants are watered on a regular basis, making sure that they never dry out completely. In late August, water is restricted to about once a week until January. Night temperatures at this time should be about 10° C. In January or February, watering is stopped for a period of 4 weeks to aid in flower formation. In March, regular watering is resumed and the plant will flower in 6 to 8 weeks. Will tolerate temperatures to 45° C, and short periods of frost, but prolonged cold will damage or kill the plant.

Some of the information in this description has been found at desert-tropicals.com, llifle.com and cactus-art.biz

Dormancy	Winters
Family	Cactaceae