Hemp leaves are wide, long and fragrant, and the processed zongzi leaves are very popular in domestic and foreign markets. They can also be used in other places, under the plates in hotels, and for packaging other foods.

Indocalamus is only distributed in Zhejiang, Anhui, Fujian, Jiangxi, Hunan and other places. Many people in Nanjing wrap zongzi with reed leaves. Before and after the Dragon Boat Festival, zongye will be sold in the farmers' market. Seldom sold in other seasons.