Are Single-Region Blended Coffee Beans Single-Origin?

Blended coffee beans usually mean cross-regional mixes built for stable espresso, but there is another branch: single-region blends that combine different varieties from the same area or estate. Whether that counts as single-origin depends on definition, since the beans share one origin but not one variety. Two Front Street Geisha blends illustrate the point.

Panama Boquete washed Butterfly and Costa Rica Tarrazu raisin honey Mirazu show how coffee bean processing changes what Geisha expresses. Washed lots tend to keep the floral and citrus profile clean, while honey processing adds sweetness and roundness. Geisha itself traveled from Ethiopia's forests to Kenya, Uganda, Tanzania, Costa Rica in 1953, and finally Panama in 1963.

Blended coffee beans usually bring to mind cross-regional mixes used to create stable-flavored espresso. But few people know that there is also a "single-region blend" — combining different varieties of coffee beans from the same region or even the same estate. Does this kind of blend count as single-origin coffee? How has Geisha's legendary path from the forests of Ethiopia to fame in Panama influenced today's blending practices? This article starts with two Geisha blends from Front Street Coffee, separately exploring the flavor differences between Panama Boquete washed Butterfly and Costa Rica Tarrazu raisin honey Mirazu, analyzing how washed and honey processing present Geisha's floral aroma and sweetness differently, and includes V60 brewing parameters and flavor descriptions to give you a comprehensive understanding of the logic and charm of single-region blends.

When it comes to blended coffee beans, many people's first reaction is cross-regional mixing, aimed at keeping espresso flavor stable. But blended beans actually have another branch — single-region blends, which combine different varieties of coffee beans from the same region. Today Front Street will talk about whether this kind of single-region blend counts as single-origin coffee beans.

The Historical Origins of Costa Rican and Panamanian Geisha

The Geisha variety was first discovered in 1931 in the Geisha forest of Ethiopia, then sent to a coffee research institution in Kenya, introduced to Uganda and Tanzania in 1936, and only brought to Costa Rica in 1953.

Today's world-famous Panamanian Geisha actually traces back to Costa Rica. In the 1930s, Geisha seeds flowed out of Ethiopia and eventually reached Tanzania. In 1953, Costa Rica's research institution CATIE obtained a batch of Geisha seeds from Tanzania for research. In 1963, Don Pachi Serracin brought Geisha trees from Costa Rica to Panama. Because yields were low and directly affected income, local coffee farmers were not keen on growing this variety.

The turning point came at Hacienda La Esmeralda in Panama. The estate owner Daniel Peterson accidentally discovered that the Geisha trees originally used as a windbreak at the highest point of his estate produced coffee beans with the citrus and floral notes characteristic of African beans. He processed this batch separately and sent it to the 2004 Panama coffee cupping competition, where it won first place in one go. Geisha rose to fame from then on, winning the Panama coffee cupping competition for many consecutive years. In the minds of today's global specialty coffee enthusiasts, the status of Geisha coffee beans is almost unshakable.

Front Street Panama Butterfly Geisha Blend

Front Street's Panama Butterfly was called Cupid in earlier years, and at that time it claimed to contain 30% Geisha. After selling for two years, the ratio was first adjusted to 50%, then later to 70%, and the name was changed to Butterfly, but the actual content is probably not that much.

Speaking of this, some people may ask: Does Butterfly count as a blended bean?

According to information consulted by Front Street Coffee, due to the estate's historical reasons, in order to pursue yield in the early years, the Geisha variety was interplanted with two coffee trees, Caturra and Catuai. For convenience of picking, farmers later managed the three varieties separately, then directly mixed them during export processing to present the desired rich flavor. The three varieties contained in Front Street Panama Boquete Butterfly all come from the same origin and the same region, so it belongs to single-origin beans. For another example, Front Street's Ethiopian beans are also not a single variety; the difference is that Front Street Ethiopia is a naturally harvested blend, while Front Street Butterfly is a manually blended one.

Product Name: Front Street Butterfly Geisha Blend

Region: Panama Boquete Altitude: 1600m Processing Method: Washed Varieties: Geisha, Caturra, Catuai

Front Street Costa Rica Mirazu Estate Geisha Blend

By the same logic, Front Street Mirazu Estate Geisha Blend from Costa Rica is blended from four varieties: Geisha, ET47, SL28, and MAICO. They all come from the same estate, then undergo single-region blending. It is worth mentioning the two varieties ET47 and SL28. ET47 is an Ethiopian heirloom variety. In the 1990s, the Costa Rican Coffee Institute gave many introduced varieties to farmers in the Tarrazu area to grow as research trees for leaf rust resistance.

The original goal of selecting and breeding SL28 was to mass-produce coffee beans with both high quality and resistance to pests and diseases. However, in some regions, the breeding goal was mainly to pursue high yield and disease resistance, without considering disease resistance. Thanks to Bourbon genetics, although SL28 later produced less than expected, its bronze leaf color and fava-bean-shaped seeds brought excellent sweetness, balance, and complex, changeable flavors, as well as prominent citrus and smoked plum notes.

Product Name: Front Street Strawberry Candy Geisha Blend

Region: Costa Rica Tarrazu Estate: Mirazu Estate Altitude: 1700m Processing Method: Raisin Honey Varieties: Geisha, ET47, SL28, MACIO

Coffee Bean Processing Methods

Front Street Panama Butterfly uses the washed processing method: first, the selected coffee cherries are sent into a depulper to initially remove the skin and pulp; then the green coffee beans that still have residual pulp and mucilage are immersed in water and fermented for about 24 hours; after fermentation is complete, the parchment beans are placed in a flowing water channel to be washed and to remove pulp and mucilage; after washing, they are sun-dried or dried with a dryer until the moisture content drops to about 12%. Finally, the parchment is removed. Washed processing allows Front Street Butterfly to show brighter acidity and highlights the floral characteristics of Geisha coffee beans.

Front Street Mirazu Geisha Blend uses raisin honey processing, retaining 100% mucilage and with zero water treatment. This method increases the difficulty of honey processing and requires strict control of timing. On the day of harvest, the coffee cherries are poured into a large water tank; ripe, plump fruits sink to the bottom, while underdeveloped or overripe ones float to the surface, and these floating beans need to be removed.

The selected coffee fruits are first dried on raised beds for at least three days, then the skin is removed, the mucilage is retained, and drying continues. At this stage, climate is the key to success or failure in honey processing. During drying, the coffee fruits must be turned constantly to ensure even drying, while also mastering the turning frequency. Slow drying is necessary to ensure the coffee has the effect of fermented processing, but it must not be so slow that fermentation goes too far. The raisin processing method enhances the sweetness of this Front Street Mirazu Geisha Blend.

Brewing Comparison

Front Street Coffee uses a V60 dripper to brew these two Front Street Geisha blend coffee beans. The V60 conical dripper has a larger opening and, together with its unique spiral curved ribs, allows air to escape more easily, thereby improving extraction quality. The body may not be thick enough, but the acidity and sweetness brought by high concentration and the obvious aroma are one of its major features.

Front Street Brewing Parameters Water temperature: 91~92°C Grind size: EK43s-10 (caster sugar size) Coffee-to-water ratio: 1:15

Front Street brewing method: In the first stage, pour 30 grams of water for a 30-second bloom, then pour 95 grams (the electronic scale shows about 125 grams), finishing the pour in about 1 minute. When the water level drops to 2/3 of the coffee bed, pour the remaining 100 grams (the electronic scale shows about 225 grams), finishing the pour in about 1 minute 40 seconds. Dripping is completed at 1 minute 55 seconds to 2 minutes 00 seconds. Remove the dripper and extraction is complete.

[Front Street Butterfly] Brewed flavor: floral, black tea, berries, citrus, with a slight nutty finish, smooth body, low bitterness, moderate acidity, and medium aftertaste.

[Front Street Strawberry Candy] Brewed flavor: the fresh aroma of roses, grapes, and dried blueberries, soft fruit acidity, an almond aftertaste, and obvious sweetness.

The above content is compiled by CoffeeHunters, a coffee news website.