The survival rate is low. Sandai Dongzao is known as the lazy man's jujube. It can produce jujubes without any pesticides or girdling. The peel of the third generation winter jujube is too thin, cannot withstand transportation, has poor growth, low survival rate, and is not resistant to freezing. Dongzao is a cultivated variety of jujube tree. The cultivation has a long history, which can be traced back to the Qin and Han Dynasties, and later evolved into the excellent Zhanhua winter jujube variety.