Coffee-growing areas are located within the Western, Rift Valley, Central Kenya and Mt Kenya regions, as shown in figure 1. Kenya grows Arabica coffee that is globally recognized normally blended and upgraded with other relatively inferior brands. Coffee is grown in the high potential areas between 1,400 and 2,200 metres above sea level, with temperature ranging from 15°C to 24°C , in red volcanic soils that are deep and well drained.Over 99% of Kenyan coffee is Arabica, whose main varieties are SL 28, SL 34, K7, Ruiru 11, Batian and Blue Mountain.