Hylocereus sp. (Pitaya) - Video 1

Red Pitaya, Dragon Fruit. Self-fruiting variety, red outside and red inside - the most delicious variety. Very fast-growing.
Pitaya is a highly prized, vining, fruit bearing cactus is terrestrial/epiphytic plant which is extremely unusual. It's fleshy stems reach up to 30ft. long, climbing onto walls or over trees using aerial roots. Magnificent flowers, stunningly beautiful fruit with an intense color, curious shape, and a delicious taste. The night blooming white flowers can be up to 14 inches in length.
The fruit is most often eaten chilled and cut in half so the flesh may be spooned out. The juice is used in frozen drinks and it is in a new Tropicana Twister flavor. It is a must have for any collector or gardener with the flair for the unusual.

Bloody Mary Dragon Fruit. This variety is very similar in size, color, and taste to Red Jaina. It is not quite as prolific of a producer, but it is nearly indistinguishable beyond that fact. It also needs to be cross pollinated to set fruit.

Cosmic Charlie is an excellent self fertile fruit. Like most of the magenta fleshed varieties it has a superb grape, kiwi-like flavor. The fruit are medium to large weighing 0.75-1.25 lbs. This variety would be best chilled and eaten out of hand or used as a garnish.

This is a truly wonderful variety of a Dragon fruit, a red fleshed dwarf (very different from others) distributed as a cultivar under the name "Costa Rican Sunset", however, it is likely an unpublished species. It is very compact, grows more like a small shrub, and really doesn

Red Pitaya with white flesh. David Bowie is a slender white variety that has a sweet and tangy flavor that is somewhat lemony. The fruit are medium to large weighing up to a pound. This variety is best eaten fresh, but it would be good for juicing or garnishing as well. It is variety is self pollinating.
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Pitaya page
What to do with a Dragon fruit?

Delight is a seedling selection made by the California Rare Fruit Growers. It is a medium to large fruit typically weighing 0.75-1.0 lb. The pulp is sweet with a smooth texture and unique pink hue. It is self pollinating, and it will set fruit without hand pollination.

Flavor of the magenta-fleshed fruits is very well balanced, a perfect blend of sweet and tart. Named in honor of the breeder, Edgar Valdivia. Considered by many to be the best tasting Dragonfruit in the world. Once the vine matures at 4-5' tall, it begins flowering and fruiting. Fruit ripens four to five weeks after flowering and you can expect successive harvests throughout the summer and fall season.

Eureka Red Dragon Fruit is a large self pollinating red flesh fruit, originally from Nicaragua. It is most similar to Natural Mystic

Halleys Comet is a hybrid of a white fleshed and red fleshed fruit. It is incredibly large, typically weighing 1.5-2.0 lbs. The fruit is slightly more rounded than the Physical Graffiti, and the fins are more abbreviated. In all other respects they are nearly identical.
Lean more:
Pitaya page
What to do with a Dragon fruit?