Reed bud is a new bud of reed, that is, reed core. When it first grows, it is very thin and looks a bit like bamboo shoots, so it is also called asparagus reed tip. Reed buds can be seen in spring, which only takes about 10 days. It is not easy to pick them, and they are also common in the market. When eating, peel off the bamboo shoots outside, and there are tender stems like bamboo inside.

Reed buds generally refer to asparagus. Asparagus, alias "Zizhu" and "Nanzizhu", is the bud of Gramineae reed, which is different from Asparagus. The young stem of Yuanjiang reed, also known as asparagus, is rich in nutrition and delicious, and has the reputation of "Dongting Cordyceps". Yuanjiang, located in the hinterland of Dongting, has 450,000 mu of unique asparagus resources.