Heat resistance, cold resistance, etc. Huaguan No. 1 green onion is a new green onion variety developed by the Shandong Zaozhuang Scientific Research Institute. It is not easy to bolt from late winter to early spring. It can be launched on an annual basis by adjusting the sowing period. It has high uniformity, few forks, and a white color of 40-45 cm in length. Light color, tight leaf sheaths, good flavor, thick leaves, can be cultivated in close planting, generally resistant to heat and disease, resistant to severe cold, high yield, and resistant to storage and transportation.