The Johnnie Walker company does not specify how long it ages its Blue Label scotch, since it is made up of different scotches that can be aged anywhere from six to 50 years. Johnnie Walker does specify how long it ages its other labels.
Jim Beveridge, Johnnie Walker's master blender, handpicks the rare whiskies he uses to make Johnnie Walker Blue. Johnnie Walker Blue is blended in small batches to create an intense and complex whiskey. This high-end whiskey embodies the Walker family's singular approach to blending whiskey, which is based on end result and not on a whiskey's age or the location from which it comes.