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Education & Resources

Indonesian Coffee Cultivars and Varieties
By Evan Gilman With contributions from Surip Mawardi, Tovan Marhennatta, Chris Kornman  Indonesian Coffee Cultivars and Varieties Coffee’s cultivated history on the world’s largest archipelagic state, and fourth-most-populous country, dates as early as 1699,...
Are All Green Coffees the Same? Factors That Affect Their Flavor

Explore July 2025 Crown Jewel coffee arrivals from Sumatra, Ethiopia, Tanzania, and more. Bold flavors, innovative processing, and standout producers.

Understanding Coffee Acidity: What It Is and Why It Matters
Article Summary: Coffee acidity describes flavor brightness. Most brews sit near 5.5 pH. Acidity comes from organic acids in green coffee and changes through roasting: lighter roasts retain fruity malic and citric acids, while darker roasts break them down into bitter...

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The 2022 Crown Jewel Year In Review

The 2022 Crown Jewel Year In Review

We'd like to give our sincere thanks to our Crown Jewel customers. With your support, we're able to continue to explore the boundaries of specialty coffee and highlight innovative producers around the globe. Here's a look back at the year in Crown Jewels: We released 48 Crown Jewels from 17...

The Crown Gallery Artist Interviews: Calixto Robles

The Crown Gallery Artist Interviews: Calixto Robles

The Crown seeks to give exposure to local and international artists through The Crown Gallery, and hosts new artists every four months. The Crown Gallery is currently accepting submissions for the Summer of 2023, and is seeking artists who approach issues related to environmental sustainability,...