What is the difference between coffee varieties?

The distinction between coffee varieties is fundamentally a matter of agricultural strategy and botanical lineage. While the term "variety" is used colloquially, most coffee in production is a "cultivar" (cultivated variety), meaning it was developed through human intervention—either through selective breeding or the stabilization of natural mutations. For the producer, the choice of cultivar is a high-stakes decision that balances cup quality against environmental resilience. For instance, while the Geisha variety is prized for its complex, floral cup profile, it is notoriously difficult to manage, requiring specific altitudes and meticulous care. Conversely, cultivars like Catuai were engineered for high-density planting and structural robustness, allowing farmers to maximize yield in challenging climates. A common misconception is that variety alone dictates flavor; in reality, genetics provide the potential, but the expression of that potential is heavily mediated by the farm's terroir, processing methods, and the plant's health. Because Coffea arabica possesses a narrow genetic base, the industry relies on these specific cultivars to maintain consistency. Producers must navigate a trade-off: older, heirloom cultivars like Bourbon often offer superior sensory experiences but lack the disease resistance found in modern, introgressed hybrids. Understanding these differences allows producers to move beyond commodity-grade output, tailoring their farm's genetic portfolio to meet the specific demands of the specialty market while mitigating the risks of climate change and crop disease.