What has a definition

Organic and biodynamic both carry one, with a multi-year transition and an annual independent audit behind it. Both can be revoked. That is the whole difference.

What has none

Sustainable has no certifying body at all. Natural has one charter, France’s Vin Méthode Nature, but it is private rather than an appellation.

Start with organic · 7 min

Walk into any wine shop and you'll meet the same four words. Organic. Biodynamic. Natural. Sustainable. They sit in similar type, in similar places, often near a similar line drawing of a leaf, and the arrangement invites you to treat them as rough synonyms. They aren’t synonyms. Two are backed by legal standards and annual third-party audits. Two are backed by the producer’s good intentions.

Organic, Biodynamic,
Natural what the words mean

(4)Four words on the shelf.
Only two can be taken away.

Free Bacchus JournalEducation · 10 July 2026

Almost nobody standing in that aisle has been told which is which.

That is not a failure of the person holding the bottle. Wine and spirits were regulated separately from food, by different agencies, long before modern ingredient labelling existed — so the vocabulary grew up without anyone being required to define it. Nobody engineered the confusion. It accumulated, term by term, in a category that never had to explain itself.

Here is the guide the label never came with.

Two of these words come with an auditor who can take them away. Two do not. Nobody ever mentions which.

Organic: the baseline with legal teeth

Organic is the one term with a genuine legal definition and mandatory third-party enforcement. In the United States it's governed by the USDA National Organic Program; in the European Union by regulations prohibiting synthetic pesticides, herbicides and synthetic fertilisers in the vineyard. To use the word, a producer submits to a multi-year transition period and annual independent audits, and can lose the certification.

One nuance catches even careful buyers. There's a difference between "organic wine" and wine "made with organically grown grapes." The first certifies the farming and the cellar. The second certifies only the fruit and allows more latitude in how the wine was actually made. France’s AB label originally applied to grapes alone; the EU’s 2012 extension to cellar practices means a modern vin biologique label now signals both. Same aisle. Different promise. One word apart.

Biodynamic: organic, and then a good deal more

If organic is the baseline, biodynamic is the demanding tier built on top of it. Every biodynamic vineyard is already farming organically by definition, and then goes further: the whole estate treated as one system, composting on site, animals integrated, land set aside for biodiversity, and a specific set of preparations applied on a documented schedule.

The credible certifications are Demeter, the international standard, in place since 1928, older than most organic labels by half a century. And Biodyvin, a wine-specific body founded by around fifteen French producers in 1995. Both require the entire estate to be certified rather than a convenient block, and both audit annually. A Demeter mark is one of the strongest farming guarantees available to a wine drinker.

Worth being equally clear about what biodynamic certification is not. It certifies how the grapes were grown. It says nothing about whether the wine is any good. Those are separate questions, and conflating them does nobody any favours — which brings us to the reputation the term has been carrying around for decades.

Biodynamic certification tells you how the grapes were grown. It says nothing about whether the wine is good. Both questions matter; they're not the same question.

Natural and sustainable: the words with no referee

Here the ground gets soft, and it's worth being precise rather than dismissive.

Natural wine has no legally binding definition anywhere in the world — no appellation, no statute. It generally describes wines made with wild-yeast fermentation, little or no added sulfur and minimal filtration. For most of the world no body certifies it, so the word describes an intention rather than an audited practice. France is the exception. Since 2020 the Syndicat de Défense des Vins Méthode Nature has run a charter — hand harvest, wild yeasts, no additives and either no added sulphur or a declared 30mg/l ceiling — with its own procedure and logo, obtained in negotiation with the DGCCRF. It is a private standard rather than an appellation, so it binds only the growers who sign it. Some of the most thrilling wines being made today are natural wines. So are some faulty ones. The label alone can't tell you which, and honest producers in the category will say so themselves.

Sustainable is softer still. A handful of regional programmes attach real criteria and real audits to the word — those exist and deserve credit. But the term itself is unregulated, which means a wine farmed with synthetic chemicals can legally carry a sustainability claim. Sustainability certification isn't organic certification. The two words sound like cousins and aren't related.

The reputation that is decades out of date

For a long time, organic or biodynamic on a label carried an unspoken warning: well-meaning, but probably a compromise. That reputation had real roots — early organic wines, particularly those made with little stabilising sulfur, could be inconsistent, and people who tried them in the eighties and nineties were not imagining things.

It's simply very out of date now, and the clearest way to see that's to look at who farms this way quietly, without making it their marketing.

Château Pontet-Canet, a Fifth Growth in Pauillac, was the first Médoc classified growth to convert fully — organic and biodynamic certification for the 2010 vintage, Demeter in 2014. And is now regarded as a reference producer of the Left Bank. Domaine Leflaive, the benchmark address for white Burgundy, converted all its vineyards by 1997 under Anne-Claude Leflaive, a founding member of Biodyvin. Domaine de la Romanée-Conti, maker of the most coveted red wine on earth, farmed organically from the mid-1980s, converted the whole domaine to biodynamics by 2007 and took Biodyvin certification in 2017.

And it's not confined to the auction room, which is the part most people find surprising. M. Chapoutier holds Demeter certification across properties including Hermitage, and applies the same farming to widely available regional wines at ordinary prices. Bonterra has farmed organically in Mendocino since 1987, holds Demeter certification on ranches including McNab and Butler, and sits on grocery-store shelves at everyday prices with single-vineyard reds drawing scores above ninety points.

The most coveted red wine on earth is farmed this way. So is a bottle by the supermarket checkout.

The ten-second habit

You don't need to remember any of the above at a shelf. You need one question, and it settles most labels: who checked, and can they take it away?

If a bottle carries an independent mark — USDA Organic, Demeter, Biodyvin, Soil Association, Ecocert, CCOF, Regenerative Organic Certified, somebody external inspected that farm and can withdraw the mark. That's a claim with consequences attached. If it carries an adjective instead, nobody can withdraw anything, and the word means as much as the producer would like it to.

That's the whole of it. Marks are audited; adjectives are free. And when you do find a mark, the second question is worth ten seconds more: what exactly does this one certify — the fruit, the cellar, or the entire estate? The answers differ, they're all printed, and once you know to look the aisle becomes a great deal easier to read.

Marks are audited. Adjectives are free. One question sorts most of a wine shelf: who checked, and can they take it away?