The herb is mainly produced in Hebei, Inner Mongolia, Liaoning, Jilin, Heilongjiang, Xinjiang, Gansu, Yunan, Guizhou, Xizang (Tibet) of China.

• 药材主产河北，内蒙古，辽宁，吉林，黑龙江，新疆，甘肃，云南，贵州，西藏等地。