Petite Sirah is French born, but was adopted by California, where the majority of it is planted. Napa experienced just under 3,500 heat degree days in 2016 while Vina had just over 4,000. The Napa grown Petite Sirah is darker while the Vina grown Petite Sirah has a slightly brighter color.
Napa Region- Gold Medal - Harvest Challenge
Vina Region- Silver Medal - Harvest Challenge