Grape Varieties

Every bottle of wine starts with a grape, and the variety of that grape shapes almost everything about what ends up in your glass — from the color and aroma to the structure and aging potential. Understanding grape varieties is one of the fastest ways to develop confidence when choosing wine, because once you know what Cabernet Sauvignon or Riesling typically tastes like, you can make informed decisions anywhere in the world.

There are over 1,300 grape varieties used in commercial winemaking today, but you do not need to know them all. A solid grasp of the most important varieties — starting with the six "noble grapes" that form the backbone of the wine world — gives you a framework for understanding nearly every bottle you encounter.

The Noble Six and Beyond

The concept of noble grapes refers to six varieties that are grown successfully across multiple regions and consistently produce wines of recognized quality: Cabernet Sauvignon, Merlot, and Pinot Noir among reds; Chardonnay, Sauvignon Blanc, and Riesling among whites. These six are your starting points, not because they are objectively superior to other grapes, but because they are widely available, well-documented, and distinctive enough that you can learn to identify them by taste.

Beyond the noble six, the world of grape varieties branches into hundreds of fascinating directions. Italy alone is home to over 500 native varieties, from Nebbiolo in Piedmont to Nero d'Avola in Sicily. Spain has Tempranillo and Garnacha. Portugal has Touriga Nacional. Greece has Assyrtiko. Each of these grapes reflects the climate, soil, and culture of the place where it has been grown for centuries.

Why Varieties Matter

When you understand grape varieties, wine labels start to make sense. A bottle labeled "Chablis" is 100% Chardonnay. A "Barolo" is 100% Nebbiolo. A "Sancerre" is Sauvignon Blanc. Many European wines are labeled by region rather than grape, so knowing the variety behind the appellation is the key to decoding the label.

Variety knowledge also helps with food pairing. High-acid grapes like Sauvignon Blanc cut through rich and fatty dishes. Tannic grapes like Cabernet Sauvignon stand up to grilled red meat. Aromatic grapes like Riesling complement spicy cuisines. These are not rigid rules, but they are reliable starting points.

How to Explore

The articles in this section start with the essential varieties and expand outward. You will learn what makes each grape distinctive — its typical aromas, structural characteristics, and the regions where it thrives. As you read, try tasting alongside the articles. Pick up a bottle of single-varietal wine, pour a glass, and see if you can identify the characteristics described on the page.

Sommy's courses include varietal tasting exercises that guide you through side-by-side comparisons, helping you build a mental catalog of how different grapes taste. The combination of reading and tasting is more powerful than either one alone.

A Living Library

The world of grape varieties is always evolving. Climate change is pushing winemakers to experiment with varieties that tolerate heat and drought better than traditional choices. Ancient varieties that were nearly extinct are being revived by adventurous producers. This section will grow over time to cover these emerging stories alongside the classics.

Start with the noble grapes, then follow your curiosity. Every new variety you learn adds another dimension to your wine experience.