Apple Radish Napa Kimchi

Name: Apple Radish Napa Kimchi
Cuisine: Asian, Korean
Ingredients: ½ medium Napa cabbage (2½ pounds), quartered and sliced into 2-inch pieces; 2 large apples, cored and cut into 1-inch slices, then halve the slices; 1 bunch radishes, trimmed and quartered; 3 scallions, cut into 1-inch pieces; 2-inch piece fresh ginger, peeled and julienned; 2¼ tablespoons kosher salt; 3 tablespoons gochugaru (Korean red pepper powder); 2 (1-quart) canning jars with lids, sanitized in the dishwasher; 2 heavy duty zip-top bags