Coffee is mainly grown around the Blue Mountains and in hilly areas. One type in particular, Jamaican Blue Mountain Coffee, is considered among the best in the world because at those heights in the Blue Mountains, the cooler climate causes the berries to take longer to ripen and the beans develop more of the substances which on roasting give coffee its flavor. Coffee formed 1.9% of exports in 1999. The picking season lasts from August to March. The coffee is exported from Kingston.