How Coffee Cherries Are Picked and Processed

Ever wondered why some coffee beans look different—or why certain batches taste unusually bright or heavy? The journey from coffee cherry to brewed cup starts long before roasting. It begins in the field, where each cherry holds secrets about how your coffee will taste. But not all cherries are the same, and not all beans are created equal.

Most coffee cherries contain two beans, but around 5% have just one round bean inside—called a peaberry or "". These are sorted and sold separately, often with unique flavor profiles. After harvest, cherries are processed using either dry (natural) or wet (washed) methods, each drastically shaping the final cup profile.

What Is a Peaberry Coffee Bean?

When you pick a coffee cherry, you’ll usually find two flat-sided beans inside. But sometimes, a cherry produces just one rounded bean. This is a peaberry, also known as (peanut fruit coffee). These single beans occur in roughly 5% of harvested cherries. They’re often separated during sorting and sold as a distinct product. Despite their unusual shape, peaberry beans don’t negatively affect taste—they’re simply different.

How Coffee Cherries Are Harvested

Coffee cherries are picked from the tree when ripe. Each cherry typically holds two coffee beans, though occasionally there are three or just one. The beans are encased in a sweet, pulpy fruit that must be removed before roasting. This is where processing comes in. The number of beans per cherry varies naturally, but all must go through post-harvest processing to become drinkable coffee.

Dry Processing Method (Natural Process)

The dry process, also called the natural method, is one of the oldest ways to process coffee. In this method, whole coffee cherries are spread out in the sun and left to dry for several weeks. Once fully dried, the outer fruit and parchment layers are removed to reveal the green coffee beans inside. This technique is commonly used for Ethiopian Arabica coffees, some Ugandan Arabica and Robusta varieties, and most Brazilian coffees. The extended contact between bean and fruit during drying can impart heavier body and fruity flavors to the final cup.

Washed Process (Wet Processing Method)

The washed or wet process involves removing the coffee cherry’s skin and pulp using machines before fermentation. This mechanical removal can cause some damage to the beans, but it allows for more controlled processing. After pulping, the beans are fermented in tanks to break down the sticky mucilage layer. Once fermented, the beans are washed clean and then dried—either in the sun or using mechanical dryers. This method is widely used in Colombia, Costa Rica, and Uganda (notably in regions like Bugisu, Wugars, and Nanga). The washed process tends to produce cleaner, brighter, and more acidic cups compared to natural processing.

Why Processing Matters

The way coffee cherries are handled after picking has a massive impact on flavor. Dry processing emphasizes body and sweetness through prolonged fruit contact, while wet processing highlights clarity and acidity by removing fruit early. Even the presence of a peaberry—just one bean per cherry—can subtly shift the roast and brew outcome. Whether a coffee is processed naturally or washed shapes not just its profile, but how it extracts under different brew methods.

Frequently Asked Questions

What is a peaberry coffee bean?

A peaberry, also known as peanut fruit coffee , is a single rounded coffee bean that forms inside a coffee cherry instead of the usual two flat beans. This occurs in about 5% of coffee cherries. Peaberries are often sorted out and sold separately. They can roast and brew differently, but they don’t inherently taste better or worse—just different.

What are the two main coffee processing methods?

The two primary methods are dry processing (natural) and wet processing (washed). Dry processing involves sun-drying whole cherries, then removing the dried fruit to get the beans. Wet processing removes the cherry’s skin and pulp mechanically before fermenting and washing the beans before drying. Each method affects flavor, body, and acidity differently.

Which countries use the dry coffee processing method?

Dry processing is commonly used in Ethiopia, Uganda (for some Arabica and Robusta coffees), and Brazil. These regions often sun-dry the entire coffee cherry, allowing the fruit to dry around the bean before hulling.

Which countries favor the washed coffee processing method?

The washed method is widely used in Colombia, Costa Rica, and Uganda (notably in areas like Bugisu, Wugars, and Nanga). This method removes the cherry’s pulp before fermenting and washing the beans, leading to a cleaner, brighter cup.

Does a peaberry coffee taste different?

Peaberry coffee beans may have a slightly different taste or roast profile due to their round shape and single-bean-per-cherry nature, but they don’t guarantee a better flavor. Their uniqueness is part of their appeal, and they are often sold as a specialty product.

Recommended FrontStreet Beans for Learning About Processing

Explore processing differences with FrontStreet Coffee’s Ethiopia Yirgacheffe, a bright washed coffee with citrus and floral notes, and their Brazil Yellow Bourbon, a classic natural processed coffee offering chocolate and nutty tones. For something different, try their Uganda Bugisu, a washed coffee with crisp acidity and gentle sweetness. These beans highlight how processing shapes flavor. Freshly roasted within 5 days · Orders placed before 17:00 ship the same day · Next-day delivery across most of Guangdong Province.