Jessie's Grove | Lodi Lodi wine, zin, zinfandel, oldest vines, concerts, lodi concerts, LOCA, best wine, best wine in Lodi, summerfest, concerts at the vineyard, wine country Jessie's Grove Winery is home to the oldest Zinfandel producing vines in the Lodi Appellation. Our award winning wines and outdoor concerts set JGW apart.