Growing, care, and harvest timing

HKBU habitat record: Growing along sunny and wet ditches. Distributed in North and Northwest China, Jiangxi, Hubei, Hunan and etc. The medicinal materials are mainly produced in Henan, Gansu, Shanxi, Shaanxi and etc Harvest and processing as recorded: Excavated the buds before the herb growing out of the ground in Dec, not touched with hands or washed in case of color changing, put in ventilated place or dried in the shade, removed the earth when half dried, removed the peduncle, and dried. Not sun-dried or stirred with hands, not exposed in rain, snow or icy frost in case of getting black

Source-recorded harvest/processing: Excavated the buds before the herb growing out of the ground in Dec, not touched with hands or washed in case of color changing, put in ventilated place or dried in the shade, removed the earth when half dried, removed the peduncle, and dried. Not sun-dried or stirred with hands, not exposed in rain, snow or icy frost in case of getting black

The reviewed source does not provide a complete species-specific sowing/growing routine, irrigation/fertilization schedule, or universal plant age. The page therefore does not infer care instructions or years to harvest; consult local cultivation guidance.