Ethiopia is recognized as the birthplace of Arabica coffee, and wild coffee trees still grow in the Kaffa forests to this day. Ethiopian coffee is mainly processed in two ways—natural (dry) and washed (wet)—and the flavor differences brought about by different processing methods are quite pronounced. The main producing regions include Sidamo, Harar, and Yirgacheffe, along with other small specialty regions such as Limu, Djimmah, Lekempti, Bebeka, and Wolega. Ethiopia's coffee grading system is relatively complex, with different grade standards for washed and natural coffees. Coffees from different regions each have their own distinctive bean shape, acidity, body, and flavor: Harar has a typical mocha taste, Yirgacheffe is known for its floral notes, and Limu is rich in vinous aromas. Front Street Coffee recommends that enthusiasts who love African beans focus on washed lots from Yirgacheffe and Sidamo.
Ethiopia is regarded as the homeland of Arabica coffee, and wild Arabica plants growing naturally can still be found in the primeval forests of the Kaffa region. In the local language, coffee is called "Bun" or "Buna," and the English word "coffee bean" is presumed to have evolved from "Kaffa Bun." Records of Arabica coffee existing in the Harar area date back very early, and its origins most likely point to the Kaffa forests.
Ethiopian coffee processing is mainly divided into two categories: natural and washed, and different processing methods lead to vastly different flavors in the cup. Generally speaking, washed Sidamo, Yirgacheffe, and Limmu coffees have lower body and a weaker earthy character; natural-processed beans present a more rugged and expressive mouthfeel. However, Ethiopian coffee may fluctuate in flavor from lot to lot, so repeated cupping is necessary to select truly high-quality lots.
Regarding Ethiopia's coffee grading: washed Yirgacheffe and Sidamo can typically reach a maximum grade of Grade 2 or Grade 3 (G2 or G3); while natural coffees produced in eastern Ethiopia are mostly marketed as Grade 4 or Grade 5 (G4, G5). In many cases, Grade 4 beans are labeled as Grade 5 in order to reduce tax burdens. At present, grading standards are not unified and the market is somewhat disorderly, because there are also Grade 1 and Grade 2 (Grand G2) Yirgacheffe coffees processed naturally on the market; however, the highest grade in the Harar region is only Grade 4 (G4) (Source: sweetmaria).
Ethiopia's core coffee-producing regions are Sidamo, Harrar, and Yirgacheffe. Sidamo and Harrar are names of provinces and administrative divisions: Sidamo is located in southern Ethiopia, bordering Kenya; Harrar is located in eastern Ethiopia, right next to Somalia. Although Yirgacheffe is just a small district under the greater Sidamo region, thanks to advantages in soil composition and moisture content, the coffee it produces is widely recognized as Ethiopia's best.
In Western markets, Ethiopian coffee is usually sold under the names Yirgacheffe, Sidamo, and Harrar. Within the specialty coffee community, there are five other small origins worth noting: Limmu, Djimmah, Lekempti, Bebeka, and Wolega. However, the most common are still either Sidamo or Harrar coffee.
Harrar Coffee comes from the eastern highlands of Ethiopia. The beans are medium-sized and greenish-yellow, with moderate acidity, full body, and a signature mocha flavor, making it one of the most globally renowned coffees. Wollega (Nekempte) coffee comes from western Ethiopia. The beans are medium to large in size and known for their intense fruity character, with a greenish, brownish color, and both good acidity and body—suitable for both blends and single-origin use. Limu Coffee is known for its aromatic and vinous flavor (spicy and Winnie flavor) and is quite popular in European and American markets, with good acidity and body. Washed Limu is likewise a darling of specialty coffee, with medium-sized, greenish-blue beans that are mostly round. Sidama Coffee has medium-sized, greenish-gray beans. Washed Sidama is known for its balance of mouthfeel and flavor and has a reputation as a "sweet coffee," with delicate acidity and good body. It comes from southern Ethiopia and can be used for blends or as a specialty single origin. Yirgacheffe Coffee has intense floral aromas. Washed Yirgacheffe is one of the world's top highland coffees, with soft acidity and rich body. Tepi and Bebeka coffees have lower acidity but high body, making them indispensable components in coffee blends (Source: ethiopian).
The above content is compiled by CoffeeHunters, a coffee news website.