Red Blend Wine: What It Is, Styles and Labels

A red blend is a red wine made from two or more grape varieties instead of just one. Some of the world’s most famous reds are blends, from Bordeaux and Châteauneuf-du-Pape to Super Tuscans, and in American stores “red blend” is also a big category of its own, often smooth, fruity and sometimes slightly sweet. This guide explains the classic blends, how US labels work, how to tell a dry blend from a sweeter one, and what to eat with each.

Why winemakers blend

Wine Folly’s guide to blending makes the point that blending isn’t about hiding flaws. It is about combining the strengths of different grapes to get a more balanced wine. One grape brings structure, another brings plush fruit, a third adds color or spice. Winemakers can also blend different vineyard plots, barrels or tanks of the same grape.

Wine Folly adds that the recipe rarely stays the same from year to year, because weather changes how each grape ripens.

The classic red blends

Blend	Main grapes	Style (Wine Folly)
Bordeaux	Cabernet Sauvignon, Merlot, Cabernet Franc, plus Malbec and Petit Verdot	Medium to full body, graphite, smoke, plum, black currant, tobacco
GSM / Rhône	Grenache, Syrah, Mourvèdre, plus others	Medium to full body, raspberry, blackberry, baking spice
Super Tuscan	Sangiovese with Merlot, Cabernet Sauvignon, Syrah or Cabernet Franc	Full body, blueberry, clove, leather
Meritage	Bordeaux grapes, made in the US	Full body, blueberry, plum, violet, pepper, vanilla
Rioja	Tempranillo, with Mazuelo, Graciano and others	Medium to full body, black cherry, plum, fig, leather
Priorat	Grenache, Carignan, Syrah, Cabernet Sauvignon, Merlot	Medium to full body, raspberry, blueberry, pepper, violet

The grape lists and style notes are from Wine Folly’s chart of famous blends.

Bordeaux blend

A red Bordeaux is built mainly from Cabernet Sauvignon, Merlot and Cabernet Franc, with smaller amounts of Malbec and Petit Verdot. Wine Folly’s blending guide sums up each grape’s job:

• Cabernet Sauvignon: structure, tannin, black fruit and herbal notes.
• Merlot: plush fruit and roundness that soften Cabernet’s tannin.
• Cabernet Franc: fresh red fruit, savory notes and a peppery lift.
• Malbec: rich texture, dark fruit and color.
• Petit Verdot: tannin, floral notes, spice and deep color, usually in small amounts.

Wine Folly notes that on Bordeaux’s Left Bank (the Médoc and Graves), Cabernet Sauvignon usually makes up more than 60% of the blend, while on the Right Bank (the Libournais) Merlot usually does, followed by Cabernet Franc. Our guides to Merlot wine and Cabernet Franc cover two of the main players.

GSM (Rhône-style) blend

GSM stands for Grenache, Syrah and Mourvèdre, the core grapes of Southern Rhône reds. Wine Folly describes the division of labor:

• Grenache is the backbone: ripe red fruit, generous alcohol and a long finish, but light color.
• Syrah adds darker fruit, color, tannin and savory spice.
• Mourvèdre adds dark fruit, game, pepper, tannin and structure.

Wine Folly notes that many other grapes, including some white grapes, are permitted in Côtes du Rhône, and that Châteauneuf-du-Pape became an official appellation in 1936. Australia makes plenty of GSM, sometimes labeled Grenache, Shiraz and Mataro. In California, Wine Folly credits Tablas Creek Winery in Paso Robles with importing Rhône grape cuttings in 1990 from Château de Beaucastel in Châteauneuf-du-Pape. If you want to visit, start with our Paso Robles wine tasting guide.

Super Tuscan

Wine Folly defines Super Tuscans as red wines from Tuscany that may include grapes not native to Italy, especially Merlot, Cabernet Sauvignon and Syrah. In the 1970s, frustrated by slow-moving wine laws, some producers began blending these grapes into high-quality wines, and the “Super Tuscan” nickname followed in the early 1980s.

Wine Folly highlights Antinori’s Tignanello, first made in 1971, as an early Super Tuscan (accounts differ on which wine came first); it says the wine is now about 80% Sangiovese, 15% Cabernet Sauvignon and 5% Cabernet Franc. Italian wine law caught up in 1992 with a new category, IGT (Indicazione Geografica Tipica), so many of these wines carry “Toscana IGT” on the label. Wine Folly’s tip: look for wines with a made-up “fantasy” name rather than a grape or place name.

Meritage and other American blends

Meritage (it rhymes with “heritage”) is a trademarked term for American blends made from Bordeaux grapes. According to Wine Spectator, the Meritage Alliance was founded in 1988, members pay a fee to use the name, and a red Meritage must be a blend of two or more of these grapes: Cabernet Sauvignon, Cabernet Franc, Malbec, Merlot, Petit Verdot, St. Macaire, Gros Verdot and Carmenère. No single grape can make up more than 90% of the blend.

Wine Spectator adds that some wineries skip the term and give their Bordeaux-style blend a name of their own, which leaves them free to use other grapes. Wine Folly’s blending guide also mentions a Washington State style built from Cabernet Sauvignon, Merlot and Syrah.

The everyday “California red blend” on supermarket shelves is a looser idea. There’s no fixed recipe, and the back label or the winery’s website is the only way to see which grapes went in.

How US labels work: the 75% rule

Many shoppers are surprised to learn that a bottle labeled with a single grape can be a blend too. The rule is in the federal regulations that the TTB (the Alcohol and Tobacco Tax and Trade Bureau) enforces, at 27 CFR 4.23:

• One grape name: a wine can be labeled with a single variety, such as “Cabernet Sauvignon”, only if at least 75% of the wine comes from that grape, and that entire 75% was grown in the place named on the label (the appellation of origin).
• Appellation required: a grape name can only be used if the label also states an appellation of origin, such as “California” or “Napa Valley”.
• Two or more grape names: a label can list several grapes, for example “Cabernet Sauvignon–Merlot”, only if all the grapes in the wine are the ones listed and the percentage of each is shown on the label (within 2%).
• Exceptions: a wine made from a Vitis labrusca variety (not counting hybrids with labrusca parentage), or from a variety that TTB finds, on application, too strongly flavored at 75%, may use the variety name if at least 51% of the wine comes from that grape, the whole qualifying percentage was grown in the labeled appellation, and the label states “contains not less than 51 percent” followed by the variety name. That statement isn’t needed if the wine is 75% or more of the named grape.

So a wine with no grape at 75% or more can’t use a single grape name. Those wines are sold under a proprietary name or simply as “red wine” or “red blend”. And a bottle labeled “Merlot” may legally contain up to 25% of other grapes.

Note: These are US rules for American wine. European wines follow their own appellation laws, which is why a French Bordeaux label names a place, not grapes.

Are red blends sweet?

The sweetness question is mostly about inexpensive American red blends.

Wine Folly’s sugar chart lists residual sugar (the grape sugar left after fermentation) for some well-known bottles: Apothic Red at 15 g/L and Ménage à Trois California Red at 12 g/L. It also says that cheap US wines under $15 usually contain some residual sugar, perhaps 2 to 15 g/L. For scale, Wine Folly notes that 10 g/L equals 1% sweetness.

The catch is that most countries, including the US, don’t require wineries to state sweetness on the label, as Wine Folly points out. Our tips for telling which way a red blend leans:

• Look for the word “dry” on the label or in the winery’s description.
• Check the winery’s tech sheet online; many list residual sugar in g/L.
• Treat a red blend under $15 as possibly off-dry until the tech sheet says otherwise, given Wine Folly’s 2 to 15 g/L range for that price.

If you want the sweet end of the spectrum on purpose, there’s nothing wrong with that. In our view, a slightly sweet red blend works best served a little cooler and with spicy or smoky food.

Food pairing

Blend	Pairing ideas
Bordeaux blend, Meritage	Steak and red meat with simple seasoning such as salt and pepper (Wine Folly)
GSM / Rhône blend	Dishes with rosemary, sage, red pepper and olives (Wine Folly)
Super Tuscan	Our pick: grilled meats and tomato-based pasta, playing to the Sangiovese
Off-dry California red blend	Our pick: barbecue, spicy sausage, chili

Wine Folly explains that the firm tannins of a Bordeaux-style blend suit simply seasoned red meat. Our guide to what wine goes with steak goes cut by cut. We’d steer a GSM toward herb-roasted lamb or a Provençal stew, where its spice and red fruit fit right in.

Good-value bottles to try

We don’t name specific red blends here yet. Our picks follow our rating method: every wine needs a published critic score for a named vintage and a US shelf price checked at two or more retailers. We add bottles to our value lists only once they pass that check.

What to expect on price: Wine Folly’s Super Tuscan guide mentions examples from about $20 (a Toscana IGT blend of Merlot, Sangiovese and Cabernet Sauvignon) up to around $120 for Tignanello.

How to serve it

Blend	Serving temperature	Decant?	Cellar
Bordeaux blend	60–68°F (15–20°C)	About 1 hour	10+ years
GSM / Rhône blend	55–60°F (12–15°C)	About 30 minutes	3–5 years

The figures are Wine Folly’s. For an everyday California red blend, we’d serve it at the cooler end of these ranges and drink it young.

For a tour of the single grapes behind these blends, see our guide to types of red wine.