Flavor Characteristics, Growing Region, and Brewing Parameters for Panama Hartmann Estate Catura Wine Process Coffee Beans

Caturra Variety

Caturra is suitable for cultivation in areas ranging from 700 meters to 1700 meters in altitude, with strong adaptability to different elevations. The higher the altitude, the better the flavor, though production capacity decreases accordingly — this is the destiny of fine coffee beans. Some scholars describe Caturra as an intensified and sun-exposed version of Bourbon, which hits the mark perfectly. There is also a yellow Caturra variety (Caturra Amarello) in Central and South America, but its reputation is not as good as that of Yellow Bourbon.

When lightly roasted, Caturra exhibits prominent acidity and overall brightness. With proper processing, the sweetness can be expressed exceptionally well, though the coffee's body is relatively lower compared to Bourbon, and the cleanliness of the mouthfeel is somewhat lacking.

Typically, Caturra produces red cherries, but there are extremely rare regions with yellow Caturra. For example, Hawaii cultivates a very small amount of yellow Caturra.

Hand-pour Brewing for Hartman

15g coffee, medium grind size (Fuji ghost tooth grinder #4), V60 dripper, 88-89°C water temperature. First pour 30g water, bloom for 27 seconds. Pour to 105g and stop, wait until the water level drops to half, then continue pouring slowly until reaching 225g. Avoid the tail section. Water-to-coffee ratio is 1:15, extraction time is 2:00.

Coffee Details

Country: Panama

Grade: SHG

Region: Volcán Region

Altitude: 1250-1700 Meters

Processing Method: Wine Processing

Variety: Caturra

Estate: Hartman Estate

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

Panama Hartman Estate Caturra Wine Process

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

Hartman Estate Introduction

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

When World War I began, he was abandoned as a young boy. Thanks to his mother, he managed to hide on a ship bound for Pennsylvania, USA, and survived. His two brothers both died in the war after joining the military. Luis Hartmann traveled through several countries with his friends until he arrived in Panama in 1911 and settled in Chiriquí Province in 1912, mainly active in the Candela area. He built his first small cabin in this primeval forest.

Today, Hartman Estate is a family business founded in 1940 by Ratibor Hartmann (son of Alois). In 1966, Ratibor married Dinora Sandi from Costa Rica. They had five children together: Ratibor Jr., Allan, Alexander, Alice, and Kelly. Each family member takes on different responsibilities in coffee cultivation management, harvesting and processing, and estate tours. A family estate that has been growing coffee for over 100 years is itself a legendary story.

This family business has a state-level cupping laboratory and sample roasting room. They rigorously cup each batch of coffee cherries. This ensures the stable quality of Hartman Estate's coffee and their continuous pursuit of improvement. Their scientific approach to coffee and nearly 100 years of family experience guarantee their excellent production.

This batch is wine-processed Caturra variety. From the moment of grinding, it releases an extremely rich fruit wine aroma, accompanied by fresh smoked wood spice notes, plus the special berry sweetness and fragrance from natural processing. Just smelling its aroma is intoxicating. Upon tasting, it's accompanied by rich tropical fruit flavors, like a cocktail carefully blended with passion fruit, mango, orange, and berry juices with peach wine! No, this is a cocktail from nature itself!

Among all coffee-producing regions on Earth, very few have successfully experimented with wine-like processing methods. After years of testing, this processing method can finally control the acid structure in coffee. Coffee fermented through wine-like processing methods greatly enhances the sweetness, cleanliness, and multi-layered, complex yet elegant acidity in coffee. This fermentation method significantly improves the quality and uniqueness of coffee production.

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

The experimental team is led by Felipe Sardi from the United States and consists of biological scientists and ecologists. They apply technologies such as solar energy to cultivation and green bean processing.

A specialized hand-picking team undergoes training and strictly follows specialty coffee bean picking requirements: unripe fruits < 2%, defective beans < 3%, floaters < 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, lower cleanliness compared to acetic acid fermentation, higher body, malic/tartaric acid

Previously, processing plants all used traditional manual methods passed down through generations, such as biting beans to feel the fermentation degree. This fermentation method is uncontrollable and variable.

Controlled fermentation uses pH value control to monitor fermentation degree, achieving predictable results and consistent batch-to-batch production.

Caturra Variety Details

Caturra is a single-gene mutation of Bourbon, discovered in Brazil in 1937. Both its yield and disease resistance are better than Bourbon, and the plant is shorter, making harvesting convenient. Unfortunately, like Bourbon, it has the problem of biennial yield cycles. However, it has strong adaptability, doesn't require shade trees, and can thrive directly under intense sunlight — hence called Sun Coffee. It can adapt to high-density cultivation but requires more fertilization, increasing costs, so farmers initially had low acceptance.

However, in the 1970s, when coffee prices rose sharply, farmers switched to Caturra to increase yields. With vigorous promotion by authorities in Brazil and Colombia, the results were fruitful. Farmers' acceptance of Caturra meant a major transformation in cultivation techniques. Brazil and Colombia adopted high-yield, high-density sun-exposed cultivation. By 1990, one million hectares could harvest 14 million bags of coffee beans, increasing production capacity by 60%. No wonder high-yield, high-quality Caturra has become a variety that coffee-producing countries rely on today.

FrontStreet Coffee Recommendation

Panama's coffee belt centers on Boquete, Volcan, Santa Clara, and Piedra de Candela in the country's west, with Boquete and Volcan the best-known specialty regions — both in Chiriquí province, in the heart of the coffee belt, blessed with fertile volcanic soil and old-growth forest. If you want to taste Panama's most famous expression, FrontStreet Coffee recommends the Boquete washed Geisha, an estate-level entry Geisha grown at 1600 meters, where rich volcanic ash soils and cooler night temperatures build jasmine florals, green tea, honey, citrus, and orange notes in the cup.

For a more budget-friendly taste of Geisha heritage, the FrontStreet Coffee "Flower Butterfly" carries half Geisha parentage — a planting of Geisha, Caturra, and Catuai on the Volcan Barú slopes of Boquete. The local microclimate brings abundant rain, wide day-night temperature swings, and volcanic rock soils, so despite its mixed pedigree it shows impressive body, bright citrus acidity, and genuine jasmine fragrance, working beautifully as pour-over or cold brew. At the top of the pyramid sits the Esmeralda Red Label Geisha, harvested from single plots above 1700 meters and cupping 91 points or higher, with the estate's signature tangerine-honey character.