Decoding Champagne Labels: RM, Single-Vineyard, and Single-Varietal

Champagne descriptions often include terms such as “RM,” “single-vineyard,” and “single-varietal.” While all three offer details about the producer or the grapes, each answers a different question. RM reveals who grows the grapes and crafts the wine. Single-vineyard specifies where the grapes were cultivated, and single-varietal indicates the grape variety used.

For example, a Champagne made from 100% Chardonnay may still blend grapes harvested across several villages. Using a single grape variety is different from sourcing grapes from a single vineyard. Understanding these distinctions offers a clearer perspective when navigating a wine list in Bangkok.

RM: Who Grows the Grapes and Crafts the Wine?

Champagne is a sparkling wine produced under defined regulations in the Champagne region of France. A producer registration number appears on the label, preceded by letters that denote the producer category.

RM stands for “Récoltant-Manipulant.” It refers to a producer who makes Champagne from grapes harvested from their own vineyards and markets it under their own brand. The grower also takes responsibility for winemaking, connecting cultivation with production.

However, this does not imply that the producer owns a single plot. An RM producer may cultivate vineyards across multiple villages and blend different grape varieties harvested from those sites. The RM designation alone does not indicate the number of vineyards or grape varieties involved.

Meanwhile, NM stands for “Négociant-Manipulant.” These producers purchase grapes, must, or wine from other growers to make Champagne in their own facilities, though they may also use fruit from their own vineyards. Thus, RM and NM describe the relationship between grape sourcing and winemaking.

Single-Vineyard: Where Were the Grapes Grown?

A single-vineyard Champagne is made from grapes harvested within one specific vineyard. It narrows the origin of the fruit to an area smaller than an entire village.

For instance, Waris-Hubert’s “WARIS HUBERT Clos de la Corneille Grand Cru 2012” uses grapes from a single vineyard in Avize. The vineyard is enclosed by stone walls and covers 0.5 hectares. The wine is made from 100% Chardonnay.

In this bottle, three descriptors apply simultaneously: RM defines the producer category, single-vineyard specifies the geographical source of the grapes, and single-varietal denotes their composition. Each supplies different information, allowing all three descriptions to apply to a single Champagne.

The designation “single-vineyard” does not, on its own, reveal which grape variety is planted there. Reading the vineyard’s name alongside its grape composition allows one to distinguish origin from variety.

Single-Varietal: What Grapes Were Used?

Single-varietal means that a wine is made from a single grape variety. It does not require those grapes to originate from a single vineyard.

Consider another wine from the same producer, “WARIS-HUBERT Lilyale,” which uses only Chardonnay. Its grapes come from three villages: Avize, Oger, and Cramant. It remains a single-varietal Champagne despite drawing from several places.

Vincent Charlot’s “VINCENT CHARLOT Le Fruit de ma Passion Extra-Brut Millésime 2019” uses grapes from two parcels, both in Mardeuil. A parcel is a defined section of vineyard land. This Champagne blends three varieties, Meunier, Chardonnay, and Pinot Noir, and is made by a producer classified as RM.

Champagnes from RM producers can therefore take several forms: Chardonnay from a single vineyard, Chardonnay blended across several villages, or a blend of multiple parcels and grape varieties. Distinguishing the who, the where, and the what makes the differences between wines more concrete.

RM describes the link between growing grapes and making wine, while vineyard and variety names supply information about the fruit. Reading them together takes the explanation beyond “Champagne made from the producer’s own grapes” to reveal which vineyards supplied those grapes and how they were combined.

This article explains Champagne producer categories, vineyard origins and grape varieties through examples from Waris-Hubert and Vincent Charlot, for educational purposes only. It does not promote the purchase or consumption of alcohol. Intended for readers aged 20 and over.

บทความนี้อธิบายประเภทผู้ผลิตแชมเปญ แหล่งปลูกองุ่น และพันธุ์องุ่น โดยใช้ตัวอย่างจาก Waris-Hubert และ Vincent Charlot เพื่อการศึกษาเท่านั้น มิได้มีเจตนาส่งเสริมการซื้อหรือการบริโภคเครื่องดื่มแอลกอฮอล์ สำหรับผู้อ่านอายุ 20 ปีขึ้นไป