The northwestern region of California (Sonoma, Mendocino, Humboldt, Napa, Lake counties) is agriculturally diverse, famous for high-value specialty crops.
California leads U.S. apple production; Sonoma County is renowned for Gravenstein, Honeycrisp, Fuji, and heirloom varieties.
Napa and Sonoma Valleys are world-famous for Cabernet Sauvignon, Chardonnay, Pinot Noir, Zinfandel, and other premium varietals.
Major dairy region: milk, artisan cheeses, butter, yogurt (e.g., Cowgirl Creamery, Point Reyes Farmstead Cheese).
Beef cattle and sheep ranching on coastal grasslands and inland valleys.
Redwood and Douglas fir forests support sustainable lumber, milling, and value-added wood products.
Emerald Triangle (Humboldt, Mendocino, Trinity counties) is legendary for outdoor cannabis cultivation; now a major legal industry.