Two species dominate the world's coffee. Here's how Arabica and Robusta differ in flavor, caffeine, growing conditions, and price — and what it means for your cup.
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Walk into any coffee shop and you'll likely see a sign boasting "100% Arabica." But what does that actually mean — and is Arabica always better? The answer depends on what you want from your cup.
Nearly all the coffee you'll ever drink comes from one of two species: Coffea arabica and Coffea canephora, known as Robusta. They differ in almost every way that matters.
Arabica makes up about 60–70% of global production. It grows at higher altitudes (usually above 3,000 feet) in cooler, more delicate conditions, which makes it harder and more expensive to farm. The payoff is a smoother, more aromatic cup with bright acidity and complex notes — think fruit, florals, chocolate, or nuts. Most specialty coffee is Arabica.
Robusta, as the name suggests, is a tougher plant. It grows at lower altitudes and warmer temperatures, resists pests better, and yields more per acre. Its beans are roughly twice as high in caffeine as Arabica, and the flavor is bolder, more bitter, and earthier, with less acidity and a heavier body.
The best cups often come from knowing what each species brings to the table — and sometimes, from blending both.
