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How long does Lager stay fresh?

Stable styles for stable storage. Here's the freshness window for Lager, what makes it age the way it does, and where to find the best examples.

Peak Window

3 months

Still Good Through

6 months

Declining By

9 months

03 months6 months9 months

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Vital statistics

Reference specifications from the BJCP Beer Style Guidelines (2021 Edition), style 1B American Lager:

ABV

4.2–5.3%

Bitterness (IBU)

8–18

Colour (SRM)

2–4

Original Gravity

1.040–1.050

Final Gravity

1.004–1.010

Competition reference ranges, not limits — commercial examples vary. Source: BJCP Beer Style Guidelines, 2021 Edition.

Why Lager ages this way

Beyond pilsner, lager styles like Helles, Munich Dunkel, Vienna, Märzen, and Schwarzbier rely more on malt character than hop expression. This makes them substantially more stable. The low ester profile (clean fermentation at cold temperatures) also means there's less to lose as the beer ages.

How to store Lager

Cold storage extends shelf life dramatically. A traditional German lager held at lager-cellar temperatures (32-40°F) can drink well for 6+ months. Light protection still matters for any hopped beer.

When to drink it

Within 3 months for peak. Drinkable through 6 months. Past 9 months expect malt-character fade and possible cardboard notes.

Worth knowingMany German breweries lager (cold-condition) their beer for weeks before packaging — the word 'lager' literally means 'storage' in German.

Breweries known for Lager

These breweries either specialize in Lager or produce notable examples:

Boston Beer / Sam Adams