Introduction to the USA - WSET L3 in Wines

Question 1

What is the wine classification system in the United States?

Answer 1

The American Viticultural Area (AVA) system, which designates specific grape-growing regions with distinct geographic and climatic features.

Question 2

How do AVAs vary in size?

Answer 2

They can range from small areas like Rutherford in Napa County to large regions like Central Coast, spanning from San Francisco to Santa Barbara.

Question 3

Can AVAs overlap or cross state boundaries?

Answer 3

Yes, AVAs can overlap, such as Sta. Rita Hills AVA within Santa Ynez Valley AVA, and they can cross state boundaries.

Question 4

What percentage of grapes must come from a specific AVA to list it on the label?

Answer 4

At least 85% of the grapes must come from the specified AVA.

Question 5

What is the rule for listing a single grape variety on a U.S. wine label?

Answer 5

At least 75% of the wine must be made from the stated grape variety.

Question 6

How does vintage labeling work in the U.S.?

Answer 6

If an AVA is listed, 95% of the grapes must come from the stated vintage; otherwise, 85% is required for state or county-level designations.

Question 7

What are the four major wine-producing states in the U.S.?

Answer 7

California, Washington, Oregon, and New York.

Question 8

What is unique about California’s Central Coast AVA?

Answer 8

It stretches from San Francisco in the north to Santa Barbara in the south, encompassing diverse climates and terroirs.

Question 9

What is the major climate influence on U.S. wine regions?

Answer 9

Coastal regions are influenced by the Pacific Ocean, providing cool breezes and fog, while inland areas are more continental with greater temperature extremes.

Question 10

What labeling terms can be used for wines that do not qualify for AVA status?

Answer 10

The name of a state (e.g., California) or a county (e.g., Napa County) can appear on the label.