"The Sauvignon Blanc grape owes a lot to New Zealand," wine writer Eric Asimov once wrote. He's right: New Zealand winegrowers have a talent for balancing fruitiness and bracing acidity in every glass, leaving behind a crisp finish that often contrasts the heavy oakiness of that other white grape, Chardonnay. Plus, its producers often favor the screw cap, something that belies a greater philosophy about wine that I couldn't agree more with: it should be enjoyed anytime, anywhere, for any occasion.

I asked wine buyer Carlo Wismer of San Francisco's The Jug Shop to talk shop about one of the New World's most popular white wines. He offered his thoughts on what makes New Zealand Sauvignon Blanc so popular; see them when you keep reading.