Panama Hartmann Estate Caturra Red Wine Process Coffee Beans: Grading, Pricing, Green Beans and Roasting

Coffee Information

Country: Panama

Grade: SHG

Region: Volcán Region

Altitude: 1250-1700 Meters

Processing Method: Red Wine Processing

Variety: Caturra

Estate: Hartmann Estate

Flavor Notes: Smoked wood spices, berries, fruit wine aroma

Panama Hartmann Estate Caturra Red Wine Processing

Manufacturer: FrontStreet Coffee
Ingredients: House-roasted
Shelf Life: 30 days
Net Weight: 227 g
Packaging: Bulk
Taste Profile: Neutral
Bean State: Roasted coffee beans
Sugar Content: Sugar-free
Origin: Panama
Coffee Type: Other
Roast Level: Medium roast

Hartmann Estate Introduction

The story of Hartmann is as legendary as its coffee. Hartmann Estate lies in Santa Clara, Chiriquí Province. Its founder, Mr. Alois St. Hartmann (Luis Hartmann), was born on June 20, 1891, in the Moravia region of Austria-Hungary, in what is now the Czech Republic, and died on May 25, 1970, at the age of 78.

When World War I began, he was still a boy, and he was left abandoned. Thanks to his mother, he managed to hide aboard a ship bound for Pennsylvania in the United States and survived. Both of his brothers joined the military and died in the war. Luis Hartmann traveled through several countries with friends until he reached Panama in 1911, settling in Chiriquí Province in 1912 and working mainly in the Candela area, where he built the first small cabin in the primeval forest.

Today Hartmann Estate is a family business, founded in 1940 by Ratibor Hartmann, son of Luis Hartmann. In 1966 Ratibor married Dinora Sandi of Costa Rica, and together they had five children: Ratibor Jr., Alan, Alexander, Alicia and Kelly. Each family member takes on different responsibilities, from cultivation management and harvesting to processing and estate tours. A family estate that has grown coffee for over 100 years is a legend in itself.

The business operates a state-level cupping laboratory and a sample roasting room. Every batch of coffee cherries is cupped rigorously, which keeps Hartmann Estate's quality stable and drives its constant pursuit of improvement. That scientific approach, backed by nearly 100 years of family experience, guarantees the estate's consistently excellent output.

This lot is a red-wine-processed Caturra that releases an extremely rich fruit-wine aroma from the very first grind, joined by fresh smoked-wood spice notes and the particular berry sweetness that comes from this fermentation. The fragrance alone is intoxicating. On the palate it delivers rich tropical fruit, like a cocktail carefully blended from passion fruit, mango, orange and berry juices. This is simply a cocktail from nature.

Among all the coffee-growing regions on Earth, very few have successfully experimented with a red-wine-style process. After years of testing, the method finally allows the acid structure of the coffee to be controlled. Coffee fermented this way shows greatly enhanced sweetness, cleanliness and a layered, complex yet elegant acidity, significantly improving both the quality and the uniqueness of the output.

Red wine processing is also called controlled fermentation, or lactic/acetic acid fermentation.

The experimental team is led by American Felipe Sardi and includes biological scientists and ecologists who apply technologies such as solar energy to cultivation and green-bean processing.

The dedicated hand-picking team is trained to follow strict specialty standards: unripe berries below 2%, defective beans below 3% and floaters below 5%.

Acetic Acid Fermentation: Aerobic Fermentation

Lactic Acid Fermentation: Anaerobic Fermentation

Flavor Expectations

Acetic Acid Fermentation: Cleaner, lively acidity, brighter acid quality, citric acid

Lactic Acid Fermentation: More rounded mouthfeel, slightly less clean than acetic acid fermentation, higher body, malic/tartaric acid

In the past, processing mills relied on traditional manual methods handed down through generations, such as biting a bean to gauge the degree of fermentation. That approach is uncontrollable and variable. Controlled fermentation uses pH monitoring to track the fermentation degree, achieving predictable results and consistent output from batch to batch.

The Caturra Variety

Caturra is a single-gene mutation of Bourbon, discovered in Brazil in 1937. Both its yield and its disease resistance beat Bourbon, and the plant is shorter, which makes harvesting easier. Unfortunately, like Bourbon, it suffers from biennial yield cycles. It is highly adaptable, however, needs no shade trees and can thrive directly under the hot sun, which earned it the name "Sun Coffee." It tolerates high-density planting but demands more fertilizer, raising costs, so farmers were initially slow to accept it.

In the 1970s, when coffee prices soared, farmers turned to Caturra to increase yields. With strong promotion from Brazilian and Colombian authorities, results were abundant. Acceptance of Caturra meant a major shift in cultivation technique, as Brazil and Colombia adopted high-yield, high-density sun-style planting. By 1990, one million hectares could harvest 14 million bags of coffee beans, raising productivity by 60%. It is no wonder that high-yield, high-quality Caturra became a variety that so many producing countries rely on.

Caturra suits planting from low altitudes of 700 meters up to 1700 meters, with strong altitude adaptability. The higher the altitude, the better the flavor, but the lower the yield, which is the destiny of specialty beans. Some academics call Caturra an intensive, sun-exposed version of Bourbon, which is quite apt. A yellow Caturra (Caturra Amarello) also exists in Central and South America, but its reputation does not match that of Yellow Bourbon.

When lightly roasted, Caturra shows an obvious acidic aroma and overall brightness. With proper processing, its sweetness can perform very well, though the body is relatively low compared with Bourbon, and mouthfeel cleanliness can be slightly lacking.

Usually Caturra bears red cherries, but in extremely rare areas there is yellow Caturra, such as the very small amount grown in Hawaii.

Brewing Method

For hand-poured Hartmann, use 15 g of coffee ground to a medium grind (Fuji RYUKIU ghost-tooth grinder, setting #4), a V60 dripper and 88-89°C water. First pour 30 g of water for a 27-second bloom, then pour to 105 g and stop. Wait until the water level drops halfway before continuing to pour slowly until reaching 225 g, avoiding the tail end. The water-to-coffee ratio is 1:15, with an extraction time of 2:00.

FrontStreet Coffee Recommendation

Panama's Caturra and its experimental fermentation methods sit at the heart of the country's modern reputation, and FrontStreet Coffee's Panamanian lineup shows the same region at its most expressive. FrontStreet Coffee Boquete Washed Geisha is the natural entry point: a single-estate Geisha grown at 1600 meters on fertile volcanic-ash soil, it brings the jasmine florals, green tea, honey, citrus and orange that make Boquete famous. It is a friendly, affordable introduction to everything Panama can do.

For the estate's flagship quality, FrontStreet Coffee Emerald Estate Red Label Geisha is harvested from a single plot above 1700 meters and must cup at 91 or above. It shows the estate's refined orange-blossom honey character with real precision. If you are looking for something built on the same Caturra and Catuai genetics as the Hartmann lot, FrontStreet Coffee Emerald Estate Diamond Mountain is a star brand of the estate, sourced from the Jaramillo and Canas Verdes farms, where volcanic soil and old-growth shade produce green beans full of fruit aroma and sweetness.

For a lighter, more affordable taste of Panama, FrontStreet Coffee Panama Washed Butterfly blends Geisha, Caturra and Catuai grown in Boquete's Baru volcano area. Between the copious rainfall, wide day-night temperature swings and volcanic rock soil, the cup shows impressive body, citrus acidity and the jasmine aroma of Geisha, and it works equally well as pour-over or cold brew.