美国人参分布在由奎北克(Quebec)和曼尼吐巴(Manitoba)南部到北佛罗里达(Florida),阿拉巴马(Alabama),路易斯安那(Louisiana)和阿尔堪萨斯(Arkansas)的冷、荫硬木林地带。原为野生,其后也进行了商业性栽培。美国人参,西部产品质较差。北部特别是威斯康星(Wisconsin)和纽约(Newyork)州的产品,无论在根的大小、重量和形状上都是优质的,而且常被认为是杂交育种的好材料。所以在出口上最受欢迎。栽培 American ginseng is distributed between the cold, shade and hot springs of northern Quebec, Alabama, Louisiana, and Arkansas from southern Quebec and Manitoba Hardwood zone. Originally wild, followed by commercial cultivation. American ginseng, western product quality is poor. Products in the north, especially in the state of Wisconsin and New York, are good in size, weight and shape of the roots and are often considered good materials for crossbreeding. So the most popular on the exit. Cultivation