AOC/AOP Regulations
Département
- Gironde
Commune of Production
- Fronsac, Galgon, La Rivière, Saillans, Saint-Aignan, Saint-Germain-de-la-Rivière, Saint-Michel-de-Fronsac
Styles and Encépagement
- Rouge:
- Principal Varieties: Min. 80% combined Cabernet Sauvignon, Cabernet Franc, and Merlot
- Accessory Varieties: Cot (Malbec), max. 10% Petit Verdot, max. 10% Carmenère
- Until 2015, the combined minimum encépagement for Cabernet Sauvignon, Cabernet Franc, and Merlot may only be 70%
Assemblage
- Principal varieties must account for at least 50% of the blend.
Minimum Potential Alcohol
- Rouge: 11%
Minimum Must Weights
- Rouge: 180 g/l (198 g/l for Merlot)
Maximum Residual Sugar
- Rouge: 3 g/l
Élevage
- Wines may not be released until September 1 of the year following the harvest
Minimum Planting Density
- 5,000 vines per hectare
Maximum Yield (Rendement de Base)
- Rouge: 53 hl/ha
AOC Established
- 1937 as Côtes de Fronsac; renamed in 1976 as Fronsac. (last updated 2011)
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