THE ZINSIDE SCOOP
Welcome to The ZINside Scoop,
your monthly newsletter about all things Zinfandel.
The Vineyard Report
And just like that, Harvest 2026 has begun for many wine growers in California! So, what is happening in Zinfandel vineyards right now?
While fruit destined for sparkling, white, and rosé wines has already made its way to the crush pad, a typical Zinfandel vineyard, uneven and unhurried in its ripening, may still be enjoying a bit more hang time on the vine. That said, this year’s harvest is arriving roughly three weeks ahead of schedule across the board, and some Zinfandel fruit, particularly from warmer regions, has likely already made the journey from vine to winery, one step closer to becoming the 2026 vintage. Still, many growers may be just days or weeks from calling their first pick, a decision shaped as much by weather and local climate as by the style of wine the winemaker has in mind.
As the ripening phase begins, growers closely monitor the sugar or Brix levels in the berries. A Zinfandel vineyard often sees different blocks ripening at different rates. It is vital that a grower knows their vineyard well, and if they haven’t already, at this time they will begin daily monitoring and testing to ensure a perfectly timed harvest.
Region Spotlight: Sierra Foothills
Sierra Foothills Zinfandel is one of California’s most distinctive expressions of the grape. Thanks to warm sunny days, cool nights, higher elevations, and decomposed granite soils, these wines combine ripe fruit with freshness and structure. Many vineyards date back to the Gold Rush era, and some old-vine plantings are among the oldest producing Zinfandel vineyards in the world.
The Sierra Foothills provide an ideal environment for Zinfandel, with warm, sunny days that ensure full ripening and cool nights at higher elevations that preserve acidity and freshness. Well-drained granite-based soils and elevations ranging from about 1,200 to over 3,000 feet encourage deep root systems and concentrated flavors.
A glass of Sierra Foothills Zinfandel is deep ruby to garnet in color, with aromas of ripe blackberry, black cherry, raspberry, cracked black pepper, and warm baking spices. On the palate, it is rich and full-bodied, offering layers of dark fruit, plum, licorice, and hints of cocoa or dried herbs, balanced by bright acidity and firm, velvety tannins.
Visit Zinfandel.org for ZAP member wineries in the Sierra Foothills!
- Casino Mine Ranch
- Easton Wines
- Rombauer Vineyards
The answer is…
OVER 90 PERCENT!
Although Zinfandel’s ancestral roots trace back to Croatia, California has become its true home. Today, more than 90% of the world’s Zinfandel vineyards are planted across California, with iconic regions like the Russian River Valley, Dry Creek Valley, Lodi, Paso Robles, and Amador County leading production. Small pockets of Zin can be found in other areas of the world, such as South Africa, Mexico, Australia, and Washington State, but California is where the grape thrives. The grape adapted exceptionally well to California’s diverse climates and has been cultivated there since the Gold Rush Era, becoming known as
California’s Heritage Grape.
