The King Of Zinfandel
2021 Frogs Leap Zinfandel Napa Valley
John Williams isn't just a winemaker; he is a founding father of modern Napa. As the first employee at Stag's Leap Wine Cellars, Williams helped craft the legendary 1973 Cabernet that beat the French at the Judgment of Paris. When he started Frog's Leap in 1981, he brought that same level of rigor and discipline to a grape most people didn't take seriously: Zinfandel. The 2021 vintage is the ultimate proof of his philosophy. While the rest of the valley relies on irrigation, Williams practices …
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Dry-farmed, certified-organic estate fruit
Field blend adds texture and depth
Wine Enthusiast: 94
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Tasting notes
Aroma
Black cherry, plum skin, wild raspberry, sage, tobacco leaf, and dusty minerality.
Palate
Silky tannins and vibrant acidity with layers of cranberry, boysenberry, cocoa nib, and a long, savory finish.
Red Wine Body Profile
Light
Bold
Body Profile
Structured
68/100 Intensity
Light
Bold
68.0/100
Feather-light
Delicate
Lifted
Structured
Deep
Grapes
81% Zinfandel, 10% Petite Sirah, 9% Carignane
ABV
13.6%
Serving
56–61°F
Window
2025–2038
In Detail
For forty years, John Williams has produced the single bottle that defines classic, age-worthy Zinfandel. In the concentrated 2021 vintage, this estate has solidified its status as the region’s benchmark.
John Williams isn't just a winemaker; he is a founding father of modern Napa.
As the first employee at Stag's Leap Wine Cellars, Williams helped craft the legendary 1973 Cabernet that beat the French at the Judgment of Paris. When he started Frog's Leap in 1981, he brought that same level of rigor and discipline to a grape most people didn't take seriously: Zinfandel.
The 2021 vintage is the ultimate proof of his philosophy. While the rest of the valley relies on irrigation, Williams practices dry farming. His vines receive zero supplemental water. This forces the roots to dig over 20 feet deep into the Rutherford bedrock to find moisture.
In a drought year like 2021, this deep root system is a superpower. The vines regulated themselves perfectly, producing small, thick-skinned berries with immense concentration but moderate sugar. Williams then co-fermented the Zinfandel with Petite Sirah and Carignane—a rare, difficult technique that marries the varietals at the molecular level—creating a wine of seamless unity and structure.
