Coffee resources and guides

Your Guide to the World of Coffee

From first cup to final roast — maps, guides, and tools built from over a decade of work at origin.

Essential Resources

Start here. These are our most-referenced tools — built from years of research at origin and used by roasters, students, and farmers across our network.

Yunnan Coffee Flavor Map (2024)

This edition employs an intuitive circular spiral matrix to benchmark the flavor performance of washed versus non-washed processing methods.

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Stages of Coffee Plant Growth

This infographic illustrates the growth process a coffee plant from the moment it breaks free from the ground to the time when the plant flowers and bears its fruit.

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Coffee Growing Regions Map

A visual guide to the world’s coffee-growing “Bean Belt,” showing how regional climates and conditions often influence flavor profiles across Africa, Latin America, and Asia.

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Additional Resources

Our full library of guides, infographics, and reference materials — covering everything from brewing fundamentals to green coffee grading.

Espresso Coffee

Ever wondered what sets a flat white apart from a cappuccino? This poster breaks down classic espresso drinks, explaining the key differences in a simple, visual way.

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Brewing Methods

Explore how different brewing methods affect flavor, body, and aroma. From immersion to pour-over, this poster invites you to compare results and discover new ways to enjoy coffee.

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Yunnan Coffee Flavor Map (2023)

Built from the project's largest sample set to date, this edition evaluates Yunnan coffee's overall flavor performance across four key dimensions: aftertaste, body, acidity, and sweetness.

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Yunnan Coffee Flavor Map (2022)

This edition uses a geographic distribution format, covering 415 coffee samples and 15,325 cupping data points across Yunnan's growing regions. It maps flavor profiles for 10 distinct areas — including Baoshan, Simao, and Menglian — showing each region's location and its characteristic sensory data.

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Yunnan Coffee Flavor Map (2021)

The inaugural edition of this ongoing research project, analyzing 319 coffee samples and 11,803 cupping data points from across Yunnan. Radar charts present the sensory distribution of dry aroma, wet aroma, and overall flavor across 10 growing regions including Baoshan, Simao, and Menglian.

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Pu'er Coffee Farm Guide (2022)

A seed-to-cup travel guide through the heart of Pu'er's coffee country. This map connects specialty coffee farms along a route spanning Pu'er, Ning'er, Mojiang, and Xishuangbanna — designed for visitors who want to see firsthand how coffee trade supports farming communities and sustainable livelihoods.

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Coffee Processing Methods

An overview of the basic steps behind common coffee processing methods. This poster helps clarify how coffee changes from cherry to green bean.

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Processing Flavour Matrix

This matrix shows how different processing methods can shape flavors, offering a framework to understand how processing choices influence the final cup.

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Coffee Farming Status Quo

The Torch Intervention model explains the poverty cycle faced by many smallholder coffee farmers and highlights how education can help create long-term change within coffee communities.

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Robusta Green Coffee Grading Mat (Bilingual)

A visual guide to identifying and classifying robusta green coffee defects according to specialty grading standards, designed to support learning, calibration, and quality evaluation.

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Arabica Green Coffee Grading Mat (Bilingual)

A visual guide to identifying and classifying arabica green coffee defects according to specialty grading standards, designed to support learning, calibration, and quality evaluation.

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