Brew in Winter. Drink in Spring!!
Winter is Lager Season
Brew Now. Bottle in Winter. Enjoy in Spring.
Winter is one of the best times of year to brew a proper lager.
Cooler South African temperatures make it easier to ferment with lager yeast while the long winter months give the beer time to mature before the first spring braais arrive.
Brew now and you could have a fridge full of clear crisp lager ready by September.
Why Winter Works
Most traditional lager yeasts perform best at around 9–12°C.
Cool fermentation helps produce:
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Cleaner flavour
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Fewer fruity esters
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Better clarity
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A crisp dry finish
For brewers without a fermentation fridge, winter may provide the closest thing to natural temperature control.
Keep the Recipe Simple
A good lager does not need a complicated grain bill or heavy hop schedule.
Focus on:
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Quality Pilsner or lager malt
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A reliable lager yeast
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Stable fermentation temperature
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Enough time to mature
Lagers leave little room for faults to hide, which is why brewing a good one is such a rewarding achievement.
A Simple Lager Schedule
Primary Fermentation
Ferment at 10–12°C for approximately 2–3 weeks.
Lager yeast usually works more slowly than ale yeast, so do not worry if fermentation appears less active.
Diacetyl Rest
When fermentation is nearly complete, raise the temperature to around 18°C for 2–3 days.
This helps the yeast clean up unwanted buttery flavours.
Lagering
Gradually cool the beer to 0–4°C and condition it for at least 4–8 weeks.
During this time the beer becomes clearer, smoother and more balanced.
Bottling and Conditioning
Once fermentation is fully complete, bottle the lager using your normal priming sugar calculation.
Allow the bottles to carbonate at 18–20°C for 2–3 weeks.
Once carbonated, move them to a cooler place for further conditioning.
| Lager Type | Suggested Conditioning |
|---|---|
| Light Lager | 4–6 weeks |
| Pilsner | 6–8 weeks |
| Strong Lager | 8–12 weeks |
Always confirm that the gravity is stable before bottling.
A simple seasonal plan could look like this:
June or July: Brew and ferment
July or August: Bottle and carbonate
August or September: Cold condition
Spring: Enjoy around the braai
While others are only starting their warm-weather brewing, your lager will already be mature and ready to pour.
Winter Brewing Tip
The hardest part of brewing a lager is often leaving it alone.
A lager that tastes good after four weeks may taste excellent after eight.
Keep the fermentation cool, give it time and let winter do some of the work.