Certified Sommelier Practice Exam

What type of soils are predominant in St. Joseph and Crozes Hermitage?

1. Sandy loams

2. Heavier, clay-oriented soils

3. Gravelly soils

4. Loamy soils

The correct answer is: Heavier, clay-oriented soils

Heavier, clay-oriented soils are predominant in St. Joseph and Crozes Hermitage due to the region's geological composition and climate. These soils typically consist of clay and are known for their retention of moisture and nutrients, which can be beneficial for grapevines, particularly Syrah, the primary grape variety grown in these appellations. The clay's density helps to regulate water drainage and provides stability for the vineyards, which is crucial given the Mediterranean climate that can bring varying weather conditions. In St. Joseph and Crozes Hermitage, the combination of clayey soils with the limestone and granite subsoils also contributes to the complexity and structure of the wines produced. This geological profile allows for a balance between the richness provided by clay and the minerality from the underlying rock formations, resulting in well-structured and age-worthy wines. The other soil types mentioned, such as sandy loams, gravelly soils, and loamy soils, are typically found in other wine regions and may not provide the same advantages for Syrah cultivations as the heavier, clay-oriented soils do in these specific appellations. Understanding the soil composition is crucial in recognizing how it influences the characteristics of the wines from St. Joseph and Crozes Hermitage.