Pétillant Naturel: The Complete Guide

Pétillant Naturel — almost always shortened to "Pet-Nat" — is one of the most talked-about styles in wine right now. It's the original method of making sparkling wine, predating Champagne, and it's having a major revival thanks to the natural wine movement. Here's everything you need to know.

What Is Pétillant Naturel (Pet-Nat)?

Pétillant Naturel is French for "naturally sparkling," and that's exactly what it is: a wine that gets its bubbles from a single, uninterrupted fermentation, with no added sugar, yeast, or carbon dioxide. It's the oldest known method of making sparkling wine — older than the technique used for Champagne — and is sometimes called the méthode ancestrale.

Pet-Nats are typically low in alcohol, light, slightly cloudy, and bursting with fresh fruit character. They've become closely associated with the natural wine movement because the method itself requires minimal intervention — read our guide to natural wine for more on that broader category.

How Pet-Nat Is Made: The Méthode Ancestrale

The process is elegantly simple compared to Champagne's traditional method:

• One fermentation, not two. The grape juice begins fermenting as normal, but before it finishes — while there's still residual sugar and active yeast — the wine is bottled.
• Fermentation finishes in the bottle. The remaining sugar continues converting to alcohol inside the sealed bottle, and the carbon dioxide produced has nowhere to go, so it dissolves into the wine, creating natural bubbles.
• No disgorgement (usually). Champagne involves a second fermentation plus a process called disgorgement to remove the dead yeast (lees) before the final cork goes in. Many Pet-Nats skip this step entirely, leaving the wine cloudy with fine sediment — though some producers do disgorge for a clearer finish.
• Often capped, not corked. Many Pet-Nats are sealed with a crown cap (like a beer bottle) rather than a traditional cork and cage, reflecting the style's informal, low-fuss character.

Pet-Nat vs Champagne and Other Sparkling Wines

The key difference comes down to fermentation: Champagne and other traditional-method sparkling wines (Cava, Crémant, English sparkling wine) undergo a base fermentation, then a deliberate second fermentation in the bottle with added sugar and yeast (the liqueur de tirage), followed by ageing on the lees and disgorgement. This produces fine, persistent bubbles and often complex, bready, toasty notes.

Pet-Nat skips all of that. There's no second fermentation, no added sugar or yeast, and usually no disgorgement. The result is a wine with softer, sometimes more rustic bubbles, a hazy appearance, and a fresher, more fruit-forward, less "processed" character. Where Champagne aims for precision and consistency, Pet-Nat embraces variation — every bottle, vintage, and producer can taste noticeably different.

What Does Pet-Nat Taste Like?

Pet-Nat covers a wide flavour spectrum, but common characteristics include:

• Fresh, often tart fruit — green apple, pear, citrus, or red berries depending on the grape
• Lower alcohol than most still or traditional-method sparkling wines, often in the 10–12% range
• A gentle, sometimes rustic fizz rather than the fine, persistent mousse of Champagne
• Slightly funky, yeasty, or bready notes from the lees, especially in unfiltered bottles
• Dry to off-dry profiles, occasionally with a touch of natural sweetness if bottled earlier in fermentation

Because of this variability, two Pet-Nats from the same grape and region can taste quite different — part of the fun is exploring different producers and styles.

How to Serve and Store Pet-Nat

Serve Pet-Nat well chilled — around 6–8°C — similar to other sparkling wines. If the bottle is unfiltered, you'll often see sediment at the bottom; you can either pour gently to leave it behind for a clearer glass, or give the bottle a swirl first to incorporate it for extra texture and flavour (there's no right answer — try both and see which you prefer).

Pet-Nat is generally meant to be enjoyed young and fresh rather than cellared for years. Store it upright in the fridge if you're drinking it within a few weeks, or in a cool, dark place if it'll be a little longer — and open it carefully, as the pressure can vary more than in conventional sparkling wine.

Food Pairing with Pet-Nat

Pet-Nat's bright acidity, gentle fizz, and lower alcohol make it an excellent food wine. It pairs beautifully with: light starters and salads, charcuterie and soft cheeses, seafood and shellfish, fried or salty snacks (the bubbles cut through richness), and brunch dishes — Pet-Nat is a fantastic alternative to Champagne or Prosecco for a more casual brunch.

Shop Pétillant Naturel

Ready to try it for yourself? Browse our Pétillant Naturel — Pet-Nat Wines collection for a hand-picked selection from small, low-intervention producers.

Frequently Asked Questions

Is Pet-Nat the same as Champagne?

No. Both are sparkling wines, but they're made differently. Champagne uses the traditional method, with a deliberate second fermentation in the bottle using added sugar and yeast, followed by disgorgement. Pet-Nat is bottled during its single, original fermentation, with no additions and usually no disgorgement.

Why is my Pet-Nat cloudy?

Most Pet-Nats are unfiltered and undisgorged, so a hazy appearance and some sediment at the bottom of the bottle are completely normal. You can pour carefully to avoid the sediment or swirl it in for extra texture.

Why does my Pet-Nat have a crown cap like a beer bottle?

Many Pet-Nat producers use crown caps instead of corks, in keeping with the style's informal, low-intervention approach. It doesn't affect the quality of the wine — just be ready for it to look a little different from a traditional cork and cage.

How long does Pet-Nat last once opened?

Like most sparkling wines, Pet-Nat is best enjoyed within a day or two of opening, kept chilled with a stopper to preserve the bubbles. It's generally not a wine intended for long-term ageing, whether opened or unopened.

Is Pet-Nat sweet or dry?

It varies by producer and style, but most Pet-Nats are dry to off-dry. Because the wine is bottled mid-fermentation, the exact sugar level at bottling determines the final sweetness, which can differ noticeably between bottles.