Varietal Characteristics (by winespectator.com)

Posted: December 4, 2012 by wynmaker in Chenin Blanc, Oenology, Origin, Sauvignon Blanc, Vinification, Wine, Winemaking, World wine news
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In order to appreciate wine, it’s essential to understand the characteristics different grapes offer and how those characteristics should be expressed in wines. Cabernet Sauvignon, Merlot and Zinfandel are all red grapes, but as wines their personalities are quite different. Even when grown in different appellations and vinified using different techniques, a varietal wine always displays certain qualities, which are inherent in the grape’s personality. Muscat should always be spicy, Sauvignon Blanc a touch herbal. Zinfandel is zesty, with pepper and wild berry flavors. Cabernet Sauvignon is marked by plum, currant and black cherry flavors and firm tannins. Understanding what a grape should be as a wine is fundamental, and knowing what a grape can achieve at its greatest is the essence of fine-wine appreciation.

In Europe, the finest wines are known primarily by geographic appellation (although this is changing; witness the occasional French and Italian varietals). Elsewhere, however—as in America, Australia, South Africa and New Zealand—most wines are labeled by their varietal names; even, sometimes, by grape combinations (Cabernet-Shiraz, for example). To a large extent, this is because in the United States, the process of sorting out which grapes grow best in which appellations is ongoing and Americans were first introduced to fine wine by varietal name. In Europe, with a longer history for matching grape types to soil and climate, the research is more conclusive: Chardonnay and Pinot Noir, for instance, are the major grapes of Burgundy. Cabernet Sauvignon, Merlot, Cabernet Franc, Malbec and Petite Verdot are the red grapes of Bordeaux. Syrah dominates northern Rhône reds. Barolo and Barbaresco are both made of Nebbiolo, but the different appellations produce different styles of wine. In Tuscany, Sangiovese provides the backbone of Chianti. A different clone of Sangiovese is used for Brunello di Montalcino.

As a result, Europeans are used to wines with regional names.

In time, the New World’s appellation system may well evolve into one more like Europe’s. Already California appellations such as Carneros and Santa Maria Valley are becoming synonymous with Chardonnay and Pinot Noir, Oregon’s Willamette Valley is known for Pinot Noir and Australia’s Hunter Valley for Shiraz; back in California, Rutherford, Oakville and the Stags Leap District are all associated with Cabernet-based red table wines. Wineries with vested financial interests in these appellations and the marketing clout to emphasize the distinctive features of the wines grown in these areas will determine how the appellation system evolves and whether specific wine styles emerge. The appellations themselves will also determine which grapes excel and deserve special recognition.

Following are descriptions of the most commonly used Vitis vinifera grapes. 

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