What is the principal grape used in Southern Rhone blends?

The principal grape used in Southern Rhône blends is Grenache. This grape variety is favored for its ability to produce wines that are rich, fruity, and aromatic, making it a cornerstone of many blends in this region. Grenache thrives in the warm climate of Southern Rhône, where it ripens well and contributes to the overall character of the wine with its jammy fruit flavors, spice notes, and soft tannins.

In blends, Grenache is often paired with other varietals like Syrah and Mourvèdre, enriching the complexity and depth of the wine. While Syrah does play a significant role in the region, particularly in the northern Rhône and in some blends of the south, Grenache remains the dominant grape that defines the style of Southern Rhône wines.

Viognier and Clairette, while used in the Rhône Valley, are not the principal grapes in the red blends that characterize Southern Rhône wines. Viognier is primarily used for white wines, and Clairette also contributes primarily to white blends. Therefore, Grenache is the varietal that stands out as the key grape in this production region.