What is the Bourbon coffee variety?

Bourbon is one of the two ancestral Arabica lineages outside Ethiopia, born from a mutation that appeared on Bourbon Island (today Réunion) after Yemeni seedlings were introduced in the early 18th century. More productive than Typica, it delivers a round, sweet, complex cup widely considered the benchmark for Latin American and East African Arabicas.

Bourbon's story starts in 1715 and 1718, when the French East India Company introduced Yemeni arabica seedlings to Bourbon Island — distinct from the plants that had travelled to Amsterdam and on to the Caribbean. A local mutation then took hold: light-green new leaves (versus bronze on Typica), a more compact habit, shorter internodes, rounder cherries, and yields 20 to 30 % higher. The variety was exported in the 19th century to Brazil (1860), to East Africa (via French missionaries in Kenya and Tanzania in the late 19th century) and to Central America. It thrives especially well in Rwanda, Burundi, El Salvador and southern Brazil.

In the cup, Bourbon is famed for roundness, a plush body, caramel-honey sweetness, lively but controlled acidity and broad aromatic complexity — red fruit, citrus, milk chocolate, sometimes floral notes. The best Bourbons from El Salvador, Rwanda or Burundi routinely clear 86-90 SCA points. Three chromatic sub-types exist: Red Bourbon (the most common), Yellow Bourbon (a Brazilian mutation from 1930) and Orange Bourbon (rarer, mostly in El Salvador and Rwanda), each with its own sugar-acidity balance. A special case is Bourbon Pointu (Laurina), a naturally low-caffeine mutation (50 % less) found on Réunion, rediscovered in the 2000s and now prized in the high-end specialty market.

Most of Latin America's commercial varieties descend from Bourbon: Caturra (a dwarf mutation in Brazil, 1935), Mundo Novo (a natural Bourbon × Typica hybrid, Brazil 1940), Catuai (Mundo Novo × Caturra, 1949), Pacas (El Salvador), Villa Sarchi (Costa Rica), along with Kenya's SL28 and SL34 lineages, partly drawn from bourbonised stock. Like Typica, Bourbon is very susceptible to leaf rust; the 2010s outbreak led many Central American growers to replace their Bourbon plots with rust-resistant Catimors — at a cost in cup quality. Specialty roasters in Belgium — Brussels, Ghent and Antwerp — regularly feature Rwandan, Burundian or Salvadoran Bourbons, whose roundness pairs naturally with the Belgian filter-and-speculoos tradition.

Bourbon — profile and descendants

Bourbon: The Old World Variety That Shaped Specialty Coffee's DNA

Bourbon is one of the great paradoxes of the coffee world — a variety so widely planted and so foundational to the specialty movement that it's easy to take for granted, yet one with a history exotic enough to deserve a dedicated chapter in any serious coffee education. The name comes from the French island of Réunion (formerly Bourbon) in the Indian Ocean, where Yemeni Typica plants brought by French traders in the early 18th century underwent natural mutation over several generations of island isolation. The resulting variety, denser and more productive than its Typica parent, was brought to Latin America in the 1860s, where it rapidly displaced Typica in many producing regions. By the mid-20th century, Bourbon had become the dominant variety across Guatemala, El Salvador, Rwanda, and much of Colombia.

The cup profile of Bourbon is reliably warm, rounded, and sweet — often described as the archetype of 'classic specialty coffee' before the Geisha revolution introduced more extreme flavor profiles. Red Bourbon offers brown sugar, stone fruit, and mild citrus acidity; Yellow Bourbon (a natural color mutation found in Brazil) tends toward honey, caramel, and dried fruit with reduced acidity. Pink Bourbon, discovered in the Huila region of Colombia and initially thought to be a color variant, has been shown through genetic analysis to be a distinct variety with notably different cup characteristics — more floral, higher acidity, and a more complex fruit profile than either red or yellow. The branching diversity of Bourbon illustrates the degree to which field selection and geographic isolation can produce meaningful variation from a common ancestor.

Practical Recommendations

For enthusiasts building a variety-focused tasting education, Bourbon is the essential baseline. Seek out red Bourbon from El Salvador (where the variety was preserved in highland farms even as other regions replaced it with high-yield hybrids) and compare it with yellow Bourbon from Brazil's Minas Gerais — the same genetic lineage expressing completely differently under different altitudes, climates, and processing traditions. Then try a pink Bourbon from Huila if you can find one: the three together cover a remarkable range within a single variety family. When evaluating these side by side, pay particular attention to how sweetness expresses differently — the warm caramel of yellow Bourbon, the stone-fruit sweetness of red, and the more refined, delicate sweetness of pink.