Seeds from this Dragon fruit or Hylocereus undatus. This wonderfully delicious fruit is part of the night blooming Cereus family; a vining, terrestrial or epiphytic cactus. The vine can grow up to 20 feet and attach to anything using aerial roots. Will tolerate temperatures in excess of 100F, and short periods of frost, although prolonged cold will damage or kill the plant. Zones 10 to 11.