Saffron (trade) world trade. The cultivation of saffron in the Americas was begun by members of the Schwenkfelder Church in Pennsylvania. In recent decades cultivation has spread to New Zealand, Tasmania, and California. Iran has accounted for around 90–93 percent of recent annual world production and thereby dominates the export market on a by-quantity basis. Almost all saffron grows in a belt bounded by the Mediterranean in the west and mountainous Kashmir in the east. All other continents except Antarctica produce smaller amounts. In 1991, Some of whole threads and powder are gleaned yearly, of which is top-grade "coupe" saffron. Iran is
History of saffron must have been. For instance, in 1478, the saffron tax levied by the Bishop of Albi reached 1/12th of saffron production. Saffron demand "skyrocketed" when the Black Death of 1347–1350 struck Europe. It was coveted by plague victims for medicinal purposes, and yet many of the farmers capable of growing it had died off. Large quantities of non-European saffron were therefore imported. The finest saffron threads from Muslim lands were unavailable to Europeans because of hostilities stoked by the Crusades, so Rhodes and other places were key suppliers to central and northern Europe. Saffron was one of the contested points