pitaya

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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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.

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.
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What to do with a Dragon fruit?

Self-pollinating variety. This is a medium to large size white flesh fruit. The pulp is sweet and flavorful with fruits weighing up to a pound. The pulp is sweet and tangy. It is named for a lake in Guatemala that lies high among Central American volcanoes.

Very rare Yellow Pitaya. This cactus originates from Bolivia, Equador, Peru and Columbia. It's greatly known for it's sweet tasting fruit. Knobbed, yellow cactus fruit sharing some similarities with the Hylocereus dragon fruit (pitaya). Taste is said to be superior to most cactus fruits. The fruits are smaller than the common dragon fruit, and contain prominent spikes until ripening time, upon which the spikes drop off.
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What to do with a Dragon fruit?

Self-pollinating variety. Pulp is smooth and sweet and great for eating out of hand. Fruits are medium to large and the flowers are self pollinating. Excellent when chilled and eaten out of hand.

Red Pitaya with white flesh. Pink-skinned with white flesh, this variety is among the most common and is known for its mild, sweet flavor with a hint of Strawberry.
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 eaten chilled and cut in half so the flesh may be spooned out. The juice is used in frozen drinks. It is a must have for any collector or gardener with the flair for the unusual.
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What to do with a Dragon fruit?