If the blend bears an age statement, all the whiskies - the grains as well - must have been matured for at least that length of time before they are blended.

He then mixes measured amounts of each of these whiskies - some, the whiskies of Islay, for example, or 'top dressing' Speysides, have the capacity to cover a lot of others, and can dominate unless he's careful. Usually he vats the malts and the grains separately, then blends the two together and leaves them for several months to marry. He must do this for every batch bottled. Consistency of flavour is crucial to the success of blended whisky: if your favourite brand tastes different next time you buy a bottle, you will be disappointed - and may even move to another brand.

patrząc na ten cytać to jednak chyba chodzi o wiek

http://www.scotchwhisky.com/english/about/blended/blengoal.h...
http://www.whisky.pl/adelphi.htm

http://www.dcs.ed.ac.uk/home/jhb/whisky/glossary.html

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Note added at 23 mins (2008-05-28 17:29:56 GMT)
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Age Statement
This gives the age of the youngest component of the whisky. Note that maturation stops at bottling so both the year and the age may be significant. A 12-year-old whisky bottled 4 years ago is still a 12-year-old, not a 16-year-old though different years may occasionally be quoted.

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Note added at 24 mins (2008-05-28 17:31:29 GMT)
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polecam też:

http://www.whisky.pl/articles/061201-01.htm