This spring, celebrate Knott’s delicious roots during its Boysenberry Festival harvested in the theme park’s historic Ghost Town. The expanded 23-day festival returns April 1 - April 23 with an unforgettable lineup of exquisite Boysenberry Bites, dazzling daytime/nighttime entertainment, gourmet food and the Wine and Craft Brew Tasting Garden, plus the limited time return of the classic melodrama…