Napa Valley, CA, celebrates unique agricultural and cultural bounty during the 17th annual Napa Valley Mustard Festival, from January 30 through March 27, when wild mustard carpets vineyards with gold, celebrating Napa Valley’s agricultural and cultural bounty.   To purchase tickets and for information on any of the many events, view restaurant, hotel, winery and retail offers and packages, call 707-938-1133 or visit The Festival website at  .