Castillo is a selection of the Colombian coffee is highly marketed and widely available in the US. They have been largely successful at equating the name Colombian Coffee with "Good" Coffee. This is half-true. Colombian can be very balanced, with good More USDA is (obviously) the United States Department of Agriculture. USDA also had coffee plant breeding programs in the past and one variety they distributed to Indonesia and was widely planted is called USDA (sounds like More that has become the most commonly grown coffee in Colombia. It is preferred to the older resistant Hibrido de Timor abbreviated HdT is the interspecies hybrid of C. Arabica and C. Canephora (Robusta) that was found in Timor Leste in the 1940s. It has been the bases of plant breeding for disease More, Variedad Colombia in some regards. Cenicafe is the Colombia research organization, and promotes research in coffee to aid Colombia coffee farmers, as part of the FNC More developed this variety has the The FNC is the Federación Nacional de Cafeteros de Colombia, the coffee association of Colombia. They fund CENICAFE research institute, which has an extensive cultivar collection. More of Colombia pushes farmers to plant it. But some buyers feel the cup is not as good as Catimor is a broad group of cultivars derived from a Hibrido de Timor (HdT) and Caturra cross, highly productive, sometimes with inferior cup flavor. The main issue is the Robusta content in HdT, although this More (including ourselves) and we avoid coffees with a high percent of Castillo. Contrary to Cupping is a method of tasting coffee by steeping grounds in separate cups for discrete amounts of ground coffee, to reveal good flavors and defects to their fullest. It has formal elements and methodology in More tests trying to validate the Castillo cup quality, we find we can discern Castillo versus Caturra is an Arabica cultivar discovered as a natural mutant of Bourbon in Brazil in the first decade of the 20th century, but wasn't studied until 1937. It has a good yield potential, but was More and in blind cupping nearly always choose the later. While Castillo is supposed to provide resistance from the coffee leaf Rust Fungus is a big problem in Colombia and beyond, found in many coffee producing countries. Known as La Roya in the Americas, this disease diminishes fruit production and ultimately kills the plant. Combating the More (La Roya), the fungus adapts quickly. At last counting there had been nearly 40 improved version of Castillo released to farmers, yet the Roya continues to return.