Which of the following is a hop variety from New Zealand?

Nelson Sauvin is indeed a hop variety that hails from New Zealand, specifically from the Nelson region. This hop is renowned for its unique flavor profile, which often includes notes of tropical fruit, white wine, and gooseberry, making it a popular choice among brewers for creating distinctive IPAs and other hop-forward beers.

The other options listed, while popular hop varieties, originate from different regions. Mosaic is an American hop that derives from the Pacific Northwest and is known for its complex aroma of citrus, pine, and tropical fruit. Amarillo is another U.S. hop variety, recognized for its orange and floral characteristics. Cascade, also originating from the United States, is celebrated for its grapefruit-like aroma and is one of the most widely used hops in American Pale Ales. Understanding the geographic origins and flavor profiles of hop varieties is crucial for brewers, as it helps in crafting beers that achieve the desired taste and aroma attributes.