How Coffee Is Harvested and Processed: From Cherry to Green Bean

Coffee doesn’t start in your cup — it begins as a bright red fruit high on a tropical tree. But how does that cherry become the green bean you roast? The journey from harvest to export involves precise timing, labor-intensive picking, and one of two major processing methods that define a coffee’s final flavor. If you’ve ever wondered why some coffees taste clean and bright while others are earthy or funky, the answer often starts on the farm.

Coffee cherries are picked by hand over several weeks as they ripen — usually red, but sometimes yellow — and must be processed within hours of harvest. The two main methods, washed (20–24 hours) and natural (12–15 days in the sun), dramatically affect flavor, cleanliness, and cost. Most specialty coffee uses washed processing for its clarity and consistency.

What Is a Coffee Cherry?

Coffee comes from the fruit of a shrub in the Rubiaceae family, native to the tropics around 6,000 feet elevation. The evergreen coffee tree can grow up to 20 feet tall but is usually pruned to 8–10 feet for easier harvesting. The tree takes 3–5 years to bear fruit, first flowering with small, jasmine-like white blossoms. These flowers give way to small green berries that ripen to yellow, then red, and finally deep red — the signal they’re ready to pick. Inside each cherry are two seeds: the coffee beans you know.

How Are Coffee Cherries Harvested?

Coffee cherries do not all ripen at once. To ensure only ripe fruit is picked — critical for quality — nearly all specialty-grade coffee is harvested by hand, one cherry at a time. This selective picking is labor-intensive and slow, but necessary to avoid unripe or overripe beans diluting the lot. Machines are used only for low-grade, bulk coffee where uniform ripeness isn’t required.

How Coffee Is Processed: Washed vs Natural

Once picked, coffee must be processed quickly to avoid spoilage. There are two main methods:

• Washed (Wet) Process: Takes 20–24 hours. The coffee cherry’s skin and pulp are removed using water and a depulper, then the beans ferment briefly before being washed clean. They are then dried (typically on patios or raised beds) until the moisture level drops enough to safely remove the parchment layer — a thin, paper-like husk. What remains is called “parchment coffee,” which is stored and later milled to remove the parchment before export. This method produces clean, bright flavors, fewer defects, and takes less time overall, but requires water and equipment.
• Natural (Dry) Process: Takes 12–15 days. The entire coffee cherry is spread out in the sun to dry, often on concrete patios or raised mesh beds. The fruit dries around the seeds, and once fully dry (with careful turning and protection from rain), the outer layers — including the pulp, skin, and parchment — are removed mechanically. This method is cheaper and requires little water, but risks fermentation flaws if it rains or the drying isn’t controlled. The resulting coffee tends to have fuller body and more earthy or fruity notes, but can also taste dirty or fermented if mishandled.

After drying, whether washed or natural, the beans are stored as parchment coffee. Just before export, the parchment is hulled off, leaving the green bean. These are then sorted, graded, and sometimes polished before being shipped to roasters worldwide.

The Three Main Coffee Species

Not all coffee tastes the same — because not all coffee plants are the same. There are three main species grown for global consumption:

• Arabica (Coffea arabica): Originating in Ethiopia, Arabica makes up 70–80% of the world’s coffee. It’s the foundation of specialty coffee, known for its nuanced flavors, higher acidity, and lower caffeine content. Most celebrated single-origin coffees — like those from Yirgacheffe or Colombia — are Arabica.
• Robusta (Coffea canephora): Grown mainly in Africa (originally the Congo), Robusta accounts for 20–30% of global production. It’s much more bitter, has twice the caffeine, and is mostly used in instant coffee and espresso blends for its strong crema and cost efficiency. Its flavor is harsher and less complex than Arabica.
• Liberica (Coffea liberica): Native to Liberia, this species makes up less than 5% of global production. It has an intense, unique aroma and strong bitterness, often described as wild or smoky. It’s rare in the specialty market but notable for its distinctive profile.

Frequently Asked Questions

How long does it take for a coffee tree to produce fruit?

A coffee tree typically takes 3 to 5 years after planting to bear its first fruit. The cherries are initially small and green, and only turn red (or sometimes yellow) when fully ripe and ready for harvest.

Is coffee harvested all at once or over time?

Coffee cherries do not ripen uniformly on the tree. High-quality coffee is harvested by hand over several weeks, selecting only the red (ripe) cherries. This selective picking ensures better flavor but requires more labor. Some commercial farms may strip-pick all cherries at once using machines.

What’s the difference between washed and natural coffee processing?

Washed (or wet) processing removes the coffee cherry’s skin and pulp within hours of harvest using water and fermentation, then dries the beans before hulling the parchment. It takes 20–24 hours and results in clean, bright flavors. Natural (or dry) processing dries the whole cherry in the sun for 12–15 days, then removes all outer layers at once. It’s cheaper and produces fuller-bodied, fruitier (but riskier) flavors.

What is parchment coffee?

Parchment coffee refers to green coffee beans that are still covered by a thin, paper-like husk called parchment. This layer is removed just before export, leaving the clean green bean used for roasting. Most specialty coffee is traded and stored as parchment coffee to protect the bean inside.

Which coffee species is used in most specialty coffee?

Arabica is the dominant species in specialty coffee, making up 70–80% of global production. It is valued for its complex flavors, brighter acidity, and lower caffeine levels compared to Robusta. Most single-origin and specialty-grade coffees come from Arabica varieties like Typica, Bourbon, or Geisha.

Recommended FrontStreet Coffees for Processing Fans

Explore the impact of processing with FrontStreet Coffee’s Ethiopia Guji Humbera — a washed Ethiopian offering vibrant citrus, floral tones, and a juicy body that highlights the washed method’s clarity. For contrast, try their Yunnan Natural Process, a fruit-forward, winey profile showing how dry processing shapes bold, fermented notes. Both beans showcase how processing defines flavor. Freshly roasted within 5 days · Orders placed before 17:00 ship the same day · Next-day delivery across most of Guangdong Province.