Students on the professional course at the Mozart Wine House Sommelier Academy are studying the winemaking of the Rhône Valley. And today we want to remind you about the famous "GSM".

Grenache, Syrah, Mourvèdre: the classic formula for Southern Rhône blends. The term has become widely used and popularized in Australia.

The Roles in the Blend:

•  Grenache: Fruitiness, warmth, alcohol, soft texture.
•  Syrah: Color, tannin, aromas of flowers/meat.
•  Mourvèdre: Structure, dark berries, spicy/earthy notes, aging potential.

The proportions are variable, from Grenache-dominant (e.g., 60–80% Grenache, 10–25% Syrah, 5–15% Mourvèdre) to more "balanced" or Syrah-leading, depending on the appellation and style.