The flowers of the dragon fruit are some of the most unique and strange looking flowers in the world, not to mention some of the biggest! Provided you have warm temperatures and enough space, you can grow a dragon fruit … To grow dragon fruit from seed, slice a dragon fruit in half and use a spoon to scrape out some seeds. Dragon fruit flowers are the size of your head when fully bloomed and stay open for only one short night. Dragon fruit has scientific name Hylocereus undatus.It has cactus-like pine with flower that later turns into the exotic-look of dragon fruit. They can reach a diameter of up to 25cm and are about 30cm in length. Fill a cup or small pot with sterile seed starter or cactus soil mix. The flowers themselves only open up for … Pulp will cling to the seeds, and it’s fine to plant with it attached. As soon as the warm morning rays hit their delicate petals, they wilt incredibly fast and their swift beauty is gone before anyone is the wiser. Moisten the soil but avoid saturating it with water. Rinse the seeds. When it comes to the nutrients, dragon fruit is packed with vitamins and minerals as well as some essential compounds such as antioxidants and fiber that are prominent for human metabolism. Dragon fruit, also frequently called pitaya, is the fascinating, thoroughly tropical looking fruit you may have seen in the market.This bright pink, scaly fruit comes from a long, winding cactus of the same name.