Between July and September. Guizhou barley kernels are a traditional Guizhou specialty known for their high quality and nutritional value. They usually produce new stock between July and September each year. This period is the season when barley is ripe, and it is also the time when the supply of barley kernels is sufficient in the Guizhou barley kernel market. Coix kernel is a plant belonging to the family Gramineae. There are two types, one is Chuangu, which has a hard and thick shell and is commonly known as bodhi seed. One type is barley, which has a thin and waxy shell and is edible. The performance of the two is roughly similar, with the latter being better. The roots are also used medicinally.