A new cultivar of apple tree, ‘MN55’, that is characterized by its fruit that is early ripening, its fruit that are globose-conical in shape and medium to large in size, its fruit with a texture that is very crisp and juicy, which is maintained during storage, its fruit with a long storage life, its fruit skin that is 75 to 95% red in color over a yellow-green background color, its firmness of 14 to 19 lbs. at harvest, its spreading to upright plant habit, and its vigorous growth habit.
