Wawona Frozen Foods Plums is with more than 90% of U.S. plum production in central California, Wawona Frozen Foods is perfectly situated to process the best fruit into its plum purée. Wawona’s frozen plums provide consistent color, texture and flavor to many menu items and their sweetness and healthy qualities are ideal ingredients for numerous food manufacturers. Whether conventional or organic, Wawona grows and processes the finest plums, offering year-round availability.