: A hardier plant that grows at lower altitudes. It has a stronger, harsher, and more bitter flavor—often described as grainy or rubbery—but packs almost double the caffeine at 2.7%.
: Known for its sweeter, softer taste with notes of sugar, fruit, and berries. It grows at high altitudes and contains about 1.5% caffeine.
: Legend credits a goat herder named Kaldi , who noticed his goats became unusually energetic after eating red berries from a certain tree.
The story of coffee begins in the 9th-century highlands of , specifically the region of Kaffa.