Knowledge Base
Coffee & Tea Guides
Brew better and explore more — buying guides, how-tos, and explainers for every coffee and tea ritual.
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Guanacaste Coffee: Costa Rica's Northwest Region
Guanacaste coffee comes from Costa Rica's hot, dry northwest — a lower-grown, milder region with soft acidity and a nutty-chocolate cup, unlike bright Tarrazú.
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Coffee Drying Methods: Patios, Raised Beds and Mechanical Dryers
Coffee dries from ~45–60% to a stable 10–12% moisture. How patios, raised beds, solar driers and guardiolas compare, and why drying speed shapes flavour.
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What Is Commodity Coffee? The C-Price Explained
Commodity coffee is bulk, interchangeable coffee priced off the global C-price futures market, not flavour: how it is graded and what drives the price.
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Inside a Coffee Nursery: How Seedlings Are Raised
A coffee nursery raises a chosen seed into a hardened, field-ready seedling in six to twelve months, through germination, shade, culling, and grafting.
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Coffee Silverskin: The Chaff Explained
Coffee silverskin is the thin seed coat that clings to green beans and flakes off as chaff when roasted. What it is, where it hides, and why it matters.
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Lempira Coffee: Honduras's Catimor Variety Explained
Lempira is a Honduran Catimor arabica bred by IHCAFE for leaf-rust resistance and high yield — plus the story of how that resistance broke down in 2017.
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Central Valley Coffee: Costa Rica's Historic Heartland
Central Valley coffee is Costa Rica's oldest region — the volcanic highland around San José, birthplace of the country's coffee and its chocolate-nut cup.
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Coffee Wilt Disease (Tracheomycosis): Causes and Control
Coffee wilt disease is a lethal vascular fungus (Fusarium xylarioides) that kills whole coffee trees. Its symptoms, spread, African history and control.
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Risaralda Coffee: The Western Corner of the Axis
A profile of Risaralda, the western department of Colombia's Eje Cafetero, from its volcanic two-cordillera terroir and washed arabica traditions to Pereira, the Tatamá highlands, and a rising specialty micro-lot scene.
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Caldas Coffee: Home of Colombia's Coffee Science
Caldas, the northern anchor of Colombia's Eje Cafetero and home to the Cenicafé research center in Chinchiná, is where science, a volcano, and thousands of family farms shaped the classic mild Colombian cup.
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Quindío Coffee: Heart of the Coffee Triangle
A profile of Quindío, the smallest and most-visited department of Colombia's coffee axis, where wax palms, painted villages, and family fincas grow a clean, balanced washed arabica.
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Eje Cafetero: Colombia's Coffee Triangle
The Eje Cafetero is Colombia's Andean coffee heartland — the Caldas, Quindío and Risaralda 'Coffee Triangle' whose volcanic soils and high altitude shaped the classic mild Colombian cup and earned UNESCO World Heritage status in 2011.
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Obata: Brazil’s Rust-Resistant Workhorse
Obata is a Brazilian Sarchimor coffee variety, selected by the IAC as IAC 1669-20, bred to shrug off leaf rust and thrive on the country’s large, mechanized, full-sun estates rather than to win cupping tables.
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Parainema: Honduras's Award-Winning Sarchimor
Parainema is a leaf-rust-resistant Sarchimor released by Honduras's IHCAFE that shattered an old assumption — this disease-resistant variety keeps topping the Honduras Cup of Excellence, proving resilience and a stellar cup can share one tree.
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Marsellesa: The Sarchimor Behind Starmaya
Marsellesa is a leaf-rust-resistant Sarchimor variety developed by CIRAD and ECOM in Nicaragua — a dwarf, high-yielding workhorse that also became the pollen parent of Starmaya, the first seed-grown arabica F1 hybrid.
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Coffee Fermentation: The Microbes Behind Flavor
Fermentation is the hidden step where wild yeasts and bacteria feed on the coffee cherry's sugary mucilage, cleaning the seed and building the acids, alcohols, and aromatic esters that carry through to the cup.
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How Coffee Is Grown: From Seed to Harvest
Coffee begins as the seed of a tropical evergreen shrub, and this guide follows the plant from nursery seedling through years of careful cultivation to its first ripe, hand-picked harvest.
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The Coffee Borer Beetle: Coffee's Worst Insect Pest
Meet Hypothenemus hampei, or la broca — the 1.5 mm beetle that bores into the coffee bean and does more damage than any other insect, and how growers fight it.
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Coffee Berry Disease: Africa's Cherry-Rotting Fungus
Coffee berry disease is a fungal scourge of arabica, unique so far to Africa's highlands, where Colletotrichum kahawae rots green cherries on the branch and can destroy much of a crop in one wet season.
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Coffee Leaf Rust: The Fungus That Reshaped Coffee
The story of la roya — Hemileia vastatrix, the orange fungus that emptied Ceylon's plantations, crippled Central America, and forced coffee to breed for its life.
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Coffee Diseases and Pests: The Threats to Every Cup
A connective map of the diseases and pests that threaten coffee plants, from leaf rust to the borer beetle, shaping the varieties we drink and reaching all the way to the cup.
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Coffee Tasting Notes: How to Read the Flavors on the Bag
The descriptors on a specialty coffee bag—blueberry, cocoa, jasmine—aren't added flavorings but honest sensory impressions of what's really in the cup, and learning to read them unlocks how coffee actually tastes.
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What Is a Q Grader? Coffee's Certified Taster
A Q Grader is a licensed coffee taster who scores green arabica on a shared 100-point scale after a grueling six-day exam — here is how the certification works and what it can and cannot promise.
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Coffee Traceability: From Anonymous Bean to Named Farm
Traceability is the information chain that ties a coffee back to a named farm, producer, variety and harvest — this guide maps the spectrum from anonymous blends to seed-to-cup, and how the claims get proven.