Certified Sommelier Practice Exam

What is a key characteristic of wine production in the Walla Walla Valley?

1. Hot and dry conditions

2. High levels of rainfall

3. Extreme cold winters

4. Long, dry growing season

The correct answer is: Long, dry growing season

The long, dry growing season is a key characteristic of wine production in the Walla Walla Valley. This climate feature allows grapes to mature evenly and develop optimal sugars, acids, and flavors, crucial for high-quality wine production. The extended duration of dry weather typically leads to a lower risk of disease, promoting healthier vines and better fruit expression. In contrast, hot and dry conditions can indeed characterize certain periods in the growing season, but the emphasis on the long, dry growing season highlights the benefits of extended dry spells that support grape ripening without the extremes of excessive heat. High levels of rainfall are generally not a defining trait of the region, as they could negatively impact grape quality. Similarly, extreme cold winters are not typical in terms of wine production focus, as the Walla Walla Valley's climate is more about the warm summer months that contribute to the favorable growing conditions. Therefore, the long, dry growing season is fundamental to the exceptional wine profile that the Walla Walla Valley is known for.