PROCESSING

What is the difference between washed and natural process?

Quick answer

The primary difference between washed and natural processing is how the fruit is removed from the bean. In the washed process, the fruit is removed before drying, resulting in a clean, acidic cup. In the natural process, the whole cherry is dried with the bean inside, creating a heavier body and intense, fruit-forward sweetness.

The real story

Processing is the bridge between the coffee cherry on the tree and the green bean ready for roasting. The choice of method—washed or natural—is one of the most significant factors in determining the final flavor profile of your coffee. This decision is often dictated by the local climate, water availability, and the specific goals of the producer.

In the washed process, also known as wet processing, the skin and pulp of the coffee cherry are removed immediately after harvest using a machine called a depulper. The beans, still covered in a sticky layer of mucilage, are then placed in fermentation tanks. This step breaks down the mucilage, which is then washed away with water. Because the bean is separated from the fruit early on, the resulting cup is typically clean, bright, and highlights the inherent acidity and terroir of the coffee.

Conversely, the natural process, or dry processing, is the oldest method of coffee production. Here, the entire coffee cherry is left intact and spread out on drying beds or patios. As the cherry dries, the sugars and fruit flavors from the pulp are absorbed into the bean. This process requires careful monitoring to prevent fermentation from going too far, but when done correctly, it produces a coffee with a heavy, syrupy body and intense, often jammy or berry-like fruit notes.

In practice, the difference is stark. A washed coffee will often feel 'cleaner' on the palate, making it a favorite for those who enjoy delicate floral or citrus notes. A natural coffee, by contrast, offers a more 'exotic' experience, often characterized by sweetness and fruitiness that can feel almost like a fruit juice. Understanding these methods helps you choose a coffee that aligns with your personal taste preferences, whether you prefer the clarity of a washed bean or the bold, fruity intensity of a natural.

Sources we lean on
  • · https://www.ncausa.org/About-Coffee/10-Steps-from-Seed-to-Cup