In Bordeaux these wines are categorized into Un-Classified Growths & two major Classified Growths (Cru); Left-Bank Style (aka Medoc Style, Cabernet Sauvignon dominated blends) more tannic & Right-Bank Style (aka St. Emilion Style, Merlot or Cabernet Franc dominated blends) somewhat more herbal.
"Classified" wines, with a specific level "Cru" typically have more aromatic & flavor intensity & complexity.
Graves wines are also Classified.
See Lingo for details.
Sometimes labeled a Claret the historical French name.
Wines from Pomerol, Entre-Deux-mers, Fronsac, & Canon-Fronsac were never classified.
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Bordeaux grape blends labeled "Meritage" (rhymes with “heritage”) are Domestic wines made from the same Bordeaux grapes. To use the term, a winery has to be a member of the Meritage Association, & a wine must have no more than 90 percent of any single grape.
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The hallmark of Bordeaux blends is balance. Each grape variety complements the others:
Cabernet Sauvignon gives structure, acidity, and tannin.
Merlot adds softness, round fruit, and richness.
Cabernet Franc contributes aromatic lift and freshness.
Petit Verdot adds color, spice, and depth.
Malbec enhances body and fruit richness.