1711 – Jesuit Father Jartoux goes to China. By 1713 word from Jartoux reaches London about Ginseng, including his prediction that it could be found in Canada.
1717 – Father Joseph Francis Lafitau, a missionary among the Iroquois, finds Ginseng after reading Jartoux’s description.
1720 – Canadian company formed to ship Ginseng to China.
1754 – Chinese received shipments of Ginseng that was harvested out of season, improperly dried, and adulterated with other roots. American colonists already had received news of the Ginseng trade and had begun to harvest it.
1759 – As Canadian-Chinese trade dwindled, Peter Kalm, a Swedish botanist, predicted that Ginseng would be extirpated through overhervesting.
1798 – Andre Michaux, a French botanist, noted that Ginseng was being overharvested.
1862 – The Ginseng trade reaches its most “productive” year, with 622,761 pounds reaching China.
1886 – George Stanton starts farm that simulates wild growing conditions. Ginseng was listed in the U.S. Pharmacopoeia from 1842 – 1882.