Asparagus is actually the young shoot of the chayote plant. Because it looks like a dragon's beard, it is called "asparagus". Asparagus is rich in nutrients such as vitamin C, B1, B2 and carotene, as well as a variety of trace elements required by the human body. Its fiber is tender, crispy and delicious, and is favored by consumers. Asparagus is suitable for planting in warm and high-temperature places, especially in areas near 22° north latitude, but it does not have high soil requirements. It can be planted in idle land in front of and behind the house, in the countryside, and in the mountains. , and can even be grown in pots. As long as there is sufficient fertilizer, their growth will be particularly vigorous. The picking time of asparagus is from April to October every year, and the peak picking period is from July to September.

The cultivation of asparagus in Jiangtun, Guangning began in the late 1980s. After more than 20 years of development, there are more than 16,000 farmers, with a planting area of ??more than 13,300 acres. The farmers have sophisticated planting techniques and produce asparagus. The dishes are basically of high quality, and production and sales are booming.