A highly valued trading commodity, and an elite beverage Kakaw trees can’t tolerate high altitudes or temperatures below 60º F. They need moisture year-round, so during prolonged dry seasons irrigation is necessary. Given these considerations, they were domesticated in the Pacific coastal plains of Guatemala and Chiapas around 1000 B.C., at the height of the Olmec civilization at San Lorenzo. The area around Izapa, a Late Formative site in Chiapas, was a particularly rich source of kakaw (cacao) because it was very hot with volcanic soil.  The variety of cacao grown in… Read More