01 · Grape Enthusiast

Blends and single varieties

Most of the world's greatest wines are blends. Most of the world's most recognisable grape names are single varieties. Understanding the difference — and why each approach exists — opens up a large part of how wine is made and labelled.

Why blend?

A single grape variety, grown in one place, in one year, will produce a wine with a particular set of characteristics — and a particular set of limitations. It may have excellent fruit but lack structure. It may have power but not finesse. Blending lets winemakers combine varieties whose characteristics complement or compensate for each other.

The other reason is consistency. Non-vintage Champagne, for example, is a blend of multiple vintages, held back in reserve, to ensure the bottle you buy this year tastes the same as one you bought three years ago. That is a deliberate commercial and stylistic choice, quite different from the single-vintage approach of most still wines.

Famous blends — what each grape brings

Bordeaux red Cabernet Sauvignon, Merlot, Cabernet Franc, Petit Verdot

Cabernet Sauvignon gives structure and longevity; Merlot softens tannin and adds plum fruit; Cabernet Franc contributes floral lift; Petit Verdot adds colour and spice.

Champagne Chardonnay, Pinot Noir, Pinot Meunier

Chardonnay brings acidity and finesse; Pinot Noir adds body and red fruit; Pinot Meunier gives immediate fruit flavour and freshness for NV consistency.

Châteauneuf-du-Pape Grenache, Syrah, Mourvèdre (and up to 10 others)

Grenache provides the warm, soft fruit base; Syrah adds colour, pepper and structure; Mourvèdre contributes earthy depth and ageing potential.

Rioja (traditional) Tempranillo, Garnacha, Graciano, Mazuelo

Tempranillo is the backbone — cherry, leather, medium body; Garnacha adds body and alcohol; Graciano gives acidity and freshness; Mazuelo adds colour and tannin.

Alsace Gewurztraminer Gewurztraminer only

A single-variety white that would lose its signature lychee and rose intensity if blended. The variety is so distinctive it performs best unblended.

Single varieties: when one is enough

Some grapes are so distinctive — so complete in character — that blending would dilute rather than improve them. Nebbiolo (the grape behind Barolo) has such extreme tannin and acidity that adding another variety would merely water those qualities down. Riesling's aromatic precision and mineral clarity are similarly best left unblended. The same is true of Pinot Noir in Burgundy, where the goal is a pure expression of the grape and the soil it grew in (terroir).

The New World largely built its wine industry on the single-variety model — partly for clarity of labelling in new markets, partly because large, warm-climate parcels could ripen one variety reliably and at scale. This is why a bottle from Napa Valley or Marlborough almost always names a grape, while a bottle from Bordeaux or Burgundy almost never does. See the Appellations explained guide for how place-name labelling works.

Sources: WSET (blending and winemaking curricula); Comité Champagne (NV blending rules); VIVC (Vitis International Variety Catalogue) — variety and synonym data; OIV (permitted grape varieties and oenological practices). Last updated: 2026-10-15. Corrections via the contact form.

Questions

About blending and single varieties.

Why do winemakers blend grapes?

Blending serves several purposes. The most practical is consistency: mixing grapes (or wines from different plots or vintages) smooths out variation year to year. The most creative is complexity: grapes that bring different characteristics — one with acidity, another with body, a third with colour — produce a wine that none could achieve alone. In Bordeaux, the blend is determined partly by which varieties happen to ripen well in a given vintage. In Champagne, the non-vintage blend deliberately targets a consistent house style across years.

Does a single-variety wine always say so on the label?

In the New World (Australia, New Zealand, Chile, California), stating the grape variety on the label is standard practice and legally regulated — a bottle labelled "Shiraz" must contain at least 85% Shiraz in most jurisdictions. In the Old World (France, Italy, Spain), wines are traditionally labelled by appellation rather than grape, so a Meursault does not say "Chardonnay" even though it is 100% Chardonnay. The How to read a wine label guide explains this in full.

Is a single-variety wine better than a blend?

Neither is inherently better — they are different tools. The world's most celebrated wines include both blends (most top Bordeaux, Champagne, Châteauneuf-du-Pape) and single varieties (Burgundy Pinot Noir, Alsace Riesling, Barolo Nebbiolo). The relevant question is whether the wine achieves what it aims for, not whether it uses one grape or several.

What does "varietal" mean?

"Varietal" is a noun — it refers to a wine made predominantly from a single grape variety and named after it on the label. It is common in wine writing especially about New World wines. "Varietal character" means the specific flavour profile associated with a particular grape, regardless of where it is grown or how it is made.

Can I tell from the taste whether a wine is blended?

Not reliably — a well-made blend is seamless by design. What you might notice is complexity: multiple flavour layers that seem to pull in slightly different directions (soft red fruit AND dark fruit AND spice AND floral notes) can suggest a blend. A single variety often has a more focused, singular flavour core. But skilled winemaking in both styles can obscure or exaggerate these tendencies. Knowing the grape(s) from the label remains more reliable than guessing from taste alone.