Dongzao is a late-maturing fresh red jujube variety. The peel is red, the flesh is light green, the taste is crisp, the sugar content is high, there is no bitter and spicy grass, and the cracked fruit is light, suitable for dwarf dense planting. The nucleus is long fusiform and has no seeds. In Cangzhou, Hebei Province, it sprouted in mid-April, began to bloom in late May, matured in mid-September, and the fruit growth period was about 100 days. Cultivation habits: The tree is tall, the crown is naturally round, and the density of leaves is medium. The tree is strong. The tree is 40 to 50 years old, the tree height is 10 to 12 meters, and the crown diameter is 8 meters. The jujube is cylindrical and has a long life. The saplings are older in age, and the large seedlings are grafted. The new shoot base that was born that year can produce normal results. It has high yield, and the mature plant produces 35-40 kg, and the highest plant yields 400 kg. The economic life span is 60 to 80 years.   Winter jujube seedlings are adaptable, drought-tolerant, sturdy and sturdy, and can grow into a tree with a height of 5 meters in the shallow mountainous areas. The flowering period requires high temperature, and the average daily temperature in the fruit setting period is 24 to 25 °C. It has strong resistance to jujube madness and jujube leaf tick, and rarely breaks fruit when it meets the rain.