Coffee Knowledge Hub

Q: What is the best coffee brewing method for beginners?

The French Press is widely considered the easiest method. It requires no paper filters, has a forgiving brew time, and produces a full-bodied cup.

Q: What is the difference between Arabica and Robusta?

Arabica is prized for complex, sweet flavors and accounts for 60% of production. Robusta is hardier, higher in caffeine, and more bitter.

Q: What does the SCA Flavor Wheel show?

The SCA Flavor Wheel organizes 95+ tasting notes into 3 levels: 9 broad categories, 25 subcategories, and 61 specific flavors.

Q: When is coffee harvested?

Harvest varies by hemisphere. Northern origins harvest Oct-Mar, southern origins May-Oct. Colombia harvests year-round.

Q: How does coffee origin affect flavor?

Ethiopian coffees are floral/berry, Kenyan citrus/blackcurrant, Brazilian chocolate/nutty, Indonesian earthy/spicy. Altitude, soil, and microclimate all play a role.

Learn how to brew better coffee, understand what makes each origin unique, and discover the vocabulary behind every cup. Whether you are just getting started or leveling up, everything you need is here.

Coffee is one of the most complex beverages on earth - over 1,000 aromatic compounds, dozens of species and cultivars, and centuries of processing traditions. We built this hub to make all of that approachable.

Start with Brewing Guides if you want to make better coffee today. Explore Beans & Origins to understand what you are drinking. Use the Flavor Wheel to build your tasting vocabulary. And when you hit a term you do not know, the Encyclopedia has you covered.

Brewing

Brewing Guides

Step-by-step instructions for every method, from French Press to Aeropress. Grind size, water temp, and tips included.

Screen print style illustration of a coffee brew ratio scale with beans, water, and ratio markings

Brew Ratio Calculator

Pick your method and coffee amount - get the exact water ratio, grind, and brew time.

Screen print illustration showing seven coffee grind sizes from extra coarse to extra fine with a grinder

Grind Size Guide

Visual reference for every grind level, from extra coarse to Turkish fine.

Beans & Origins

Botanical specimen plate showing different coffee bean varieties including Bourbon, Typica, Maragogype, and Gesha

Coffee Beans & Varieties

Arabica, Robusta, and dozens of cultivars. Tasting notes, altitude, and the best way to brew each one.

Botanical map illustration of world coffee origins along the equatorial belt with terrain cross-sections and climate indicators

Origins & Terroir

How geography shapes flavor. Altitude, soil, climate, and processing traditions by region.

Botanical almanac illustration showing coffee harvest seasons by month with cherry ripeness stages and producing countries

Harvest Calendar

When is coffee in season? Harvest windows and peak months for every major producing country.

Drinks

Drinks & Recipes

From espresso to cold brew. How every coffee drink is made and what makes each one unique.

Screen print infographic comparing caffeine levels across espresso, drip coffee, cold brew, energy drinks, and tea

Caffeine Calculator

How much caffeine is in your cup? Estimate intake by drink type and serving size.

Tools

Coffee Flavor Wheel

Interactive SCA tasting wheel. Drill into flavor families to sharpen your palate.

Reference

Botanical comparison illustration showing light and dark roasted coffee beans side by side with scientific annotations

Comparisons

Arabica vs Robusta, Pour-Over vs French Press, and more. Side-by-side breakdowns that settle the debate.

Coffee Encyclopedia

Every coffee term defined and cross-linked. From Acidity to Wet-Hulled, all in one place.

Frequently Asked Questions

What is the best coffee brewing method for beginners?+

The French Press is widely considered the easiest method to start with. It requires no paper filters, has a forgiving brew time, and produces a full-bodied cup. The Aeropress is another great beginner option with more versatility. See our Brewing Guides for step-by-step instructions for both.

What is the difference between Arabica and Robusta coffee?+

Arabica (Coffea arabica) accounts for about 60% of world production and is prized for its complex, sweet, and acidic flavor profile. Robusta (Coffea canephora) is hardier, higher in caffeine (2.2% vs 1.2%), and has a stronger, more bitter taste. Most specialty coffee is Arabica. See our Beans & Varieties section for detailed comparisons.

What does the SCA Flavor Wheel show?+

The SCA Coffee Flavor Wheel organizes 95+ tasting notes into a three-level taxonomy. The inner ring has 9 broad categories (Fruity, Floral, Nutty, etc.), the middle ring has 25 subcategories, and the outer ring has 61 specific flavors. It is the global standard for describing coffee taste. Try our interactive version.

When is coffee harvested?+

Coffee harvest timing varies by country and hemisphere. Northern hemisphere origins (Ethiopia, Central America) typically harvest October to March. Southern hemisphere origins (Brazil, Peru) harvest May to October. Colombia harvests year-round with two crop seasons. See our Harvest Calendar for all 18+ producing countries.

How does coffee origin affect flavor?+

Origin is one of the three main flavor determinants (alongside processing and roasting). Ethiopian coffees are known for floral and berry notes, Kenyan for citrus and blackcurrant, Brazilian for chocolate and nuts, and Indonesian for earthy and spicy character. Altitude, soil, and microclimate all play a role. Explore our Origins section to learn more.

Researched and compiled by CoffeeTrove. Last updated March 2026.