How Are Coffee Beans Grown: Coffee Bean Growing Conditions

Introduction to Coffee Growing Conditions

Coffee trees originated in Ethiopia, Africa. Botanically, they are evergreen trees of the coffee subgenus in the Rubiaceae family. What we call "coffee beans" are actually the seeds of the fruit the trees produce - they're called beans simply because of their bean-like shape.

Climate is the decisive factor in coffee cultivation. Coffee trees grow only in tropical or subtropical regions, which makes the zone between 25 degrees north and south latitude ideal - the region generally known as the "coffee belt" or "coffee zone."

But not all land within that zone grows excellent coffee. The ideal conditions are a warm climate with temperatures between 15-25°C and annual rainfall of 1500-2000 millimeters timed to align with the trees' flowering cycle. Beyond that coordination of seasons and rain, fertile soil is essential: the best soil for coffee is fertile, well-drained, and contains volcanic ash.

Coffee Belt Requirements

Coffee cannot be grown just anywhere. Because it originally grew in tropical rainforest conditions, the coffee tree evolved habits that call for calm winds, cool temperatures, shade or semi-shade, and a humid environment.

Temperature

Temperature needs vary by variety. Arabica coffee is the more cold-tolerant of the two and prefers cool climates, with an average annual temperature of 19-21°C.

Rainfall

Annual rainfall should be above 1250 millimeters and evenly distributed. Rain during flowering and early fruit development is especially valuable for the tree's growth.

Light

Coffee trees cannot tolerate strong light and need appropriate shade. Too much light inhibits growth, and combined with insufficient water and fertilizer it can age a tree prematurely - even kill it. Too much shade, however, produces overly long branches and leaves, sparse flowering and fruiting, and very low yields.

Wind

Coffee trees prefer calm, wind-sheltered environments.

Soil

Coffee trees have well-developed root systems but shallow absorption roots, so they need loose, fertile, well-drained loam.

Most coffee worldwide is harvested by hand, making coffee picking labor-intensive and seasonal. Since flowers and fruits can sit on the same branch at the same time, the picker's index finger and thumb are the best tools for taking only ripe cherries - stripping a branch by hand or running a machine cannot tell ripe from unripe.

Farmers producing lower-grade beans prefer labor-saving methods, but the quality suffers, diluting flavor and lowering the grade. In parts of Africa, beans are harvested by shaking the trees so the fruit falls to the ground, then gathered before it rots. Most of Brazil's secondary-grade coffee is harvested by stripping leaves, flowers, and both overripe and unripe fruit from the branches all at once - trees treated this way need two years to recover.

Knowledge Point: Although coffee beans are called "beans," they are actually the seeds of fruit from Rubiaceae plants - coffee trees.

In Summary: FrontStreet Coffee is a coffee research specialty shop that enjoys sharing coffee knowledge with everyone. Our unconditional sharing exists to help more friends fall in love with coffee. We also hold three heavily discounted coffee events every month because FrontStreet Coffee wants to enable more friends to enjoy the best coffee at the lowest possible prices. That has been our principle for 6 years!

FrontStreet Coffee Recommendation

Ethiopia, coffee's birthplace, remains a paradise for coffee lovers: it is a world-renowned specialty coffee origin with countless native varieties, home to wild coffee forests, and the source of beans that many drinkers follow faithfully for their distinctive character. Much of the coffee there is grown in a garden-style model - smallholders deliver cherries to village-level processing stations and sell through cooperatives such as FrontStreet's Guji Ding Ding, Worka, and Konga cooperatives. FrontStreet Guji Ding Ding, an independent cooperative founded in 2012 in the Worka area with about 300 member farmers, is washed before drying so its own character shows through clearly: citrus and lemon tones, elegant white florals, and a bright, delicate cup.

Wild-grown coffee shows what ideal growing conditions can do: FrontStreet Kafa Forest coffee comes from trees growing wild at 1400-2100 meters under shade canopy, where pristine ecology, microclimates, red-earth soil, and abundant rainfall create superb growing conditions. Roasted medium-light, it offers distinct white florals, bright lemon acidity, sweet orange and bergamot flavors, a faint melon-and-nut sweetness in the finish, and a green-tea-like mouthfeel. For naturals, FrontStreet's Huakui from Hambella, Guji, is sun-dried on raised beds for 21 days with constant turning and hand-sorting every three to five days, showing light fermented wine aromas, florals, citrus, and mango at a medium-light roast, with honeyed sweetness, cocoa, spice, and a thick, long-lasting body.