The difference between Cognac and Weinbrand: what defines Cognac

Cognac or brandy: the short answer

On the shelf they often stand side by side, the bottle from Rüdesheim and the one from the Charente, both amber-colored, both made from grapes. Yet more separates them than price or label. The difference lies in two sets of rules stacked like sieves with holes of different fineness.

The coarser sieve is the European spirits regulation, Regulation (EU) 2019/787. It determines what may be called brandy or Weinbrand at all. The basis is a distillate from wine that must age in oak: at least one year if the vessels hold 1,000 liters or more, at least six months in smaller casks. It is sold at a minimum of 36% ABV. Where the wine comes from and how it's distilled is not specified by the regulation.

The finer sieve is the Cognac designation of origin—in France an AOC, a protected designation of origin with its own set of specifications. It requires a particular place, particular grapes, particular distilling equipment, and longer aging. Anything that passes through this fine sieve always passes through the coarse one too. The reverse isn't true.

Brandy, Weinbrand, Branntwein: three words, two categories

Brandy and Weinbrand legally mean the same thing: Category 5 of the regulation, explicitly named "Brandy or Weinbrand." The English word appears on Spanish, Italian, or South African bottles, the German word mainly on bottles from Germany and Austria.

More confusing is Branntwein. In everyday usage, this was long a catch-all term for all distilled beverages—hence the former German spirits monopoly, the Branntweinmonopol. In the regulation, however, it denotes its own, narrower Category 4: a distillate made exclusively from wine, distilled below 86% ABV so it retains the aroma of the grapes, bottled at a minimum of 37.5% ABV. No wood aging is required here. Branntwein is, in a sense, the raw material from which Weinbrand is made after oak aging.

It seems curious that Cognac and Armagnac are listed in the EU register of protected designations of origin under this very Category 4. This isn't a demotion but a matter of system: the origin rules go far beyond the minimum aging of Category 5, so they're tied directly to the wine distillate. For the question at hand in the shop, this changes nothing. Every Cognac fulfills everything a Weinbrand must fulfill, and then some.

What makes Cognac Cognac?

The region was delimited by decree on May 1, 1909, with the AOC following in 1936. It lies around the town of Cognac on the Charente river. The wine comes from varieties such as Ugni Blanc, Colombard, Folle Blanche, Montils, and Sémillon; Folignan is permitted up to ten percent. Over 98 percent of the vineyard area is planted with Ugni Blanc, a high-acid, relatively low-alcohol grape that makes a rather unappealing table wine—precisely why it's so well suited to distilling.

Distillation takes place exclusively through double distillation in the Charentais pot still, a copper still heated over an open flame. Column stills, which run continuously, are excluded. Distillation must be completed by March 31 following the harvest. The distillate then ages at least two years in oak and is bottled at a minimum of 40% ABV. An ordinary brandy may be sold at four percentage points lower and after just six months in cask.

How can you tell the difference on the label?

The name itself is the most reliable indicator. Cognac may only be called that if it comes from the region and meets the specifications. A French spirit made from wine sourced elsewhere carries designations like Brandy or its own regional name, such as Fine Bordeaux or Fine de Bourgogne, both likewise protected in the EU register.

Sweetening rules also differ. Under the regulation, Weinbrand may contain up to 35 grams of sugar per liter and may be color-adjusted with caramel coloring. Cognac groups caramel coloring, sugar, and oak-chip infusion under one combined cap: together they may mask the alcohol content, as measured by density, by no more than four percentage points. Experts call this obscuration.

Anyone tasting two glasses side by side often notices the difference in the finish. Cognac, double-distilled in the small pot still, brings along many aroma compounds from the wine and yeast, which years in the cask round out and refine. A simple column-distilled brandy usually comes across as smoother and more straightforward. That's not automatically a verdict on quality, though—there are excellent brandies and mediocre Cognacs alike.