Common name: Dragon Fruit also known as Pitaya. Botanical name: Hylocereus undatus. Family: Cactaceae. Hardiness: 28° F Varieties: Yellow Dragon, Bien Hoa Red, Bloody Mary, Seoul Kitchen. Propagation: Seeds and Cuttings. Native Range: Dragon fruit or Pitaya is native of Mexico and South America and today is heavily cultivated in many Asian countries, like china, Sri Lanka, Vietnam and Thailand.