Q4 Fall Release 2026
These strains give homebrewers distinct style options to experiment with this fall—featuring two authentic German yeast strains suitable for a variety of lager styles. With our limited release available in the one-of-a-kind Activator™ “smack pack,” you can be sure that your liquid yeast is fresh, viable, and ready for fermentation when it hits your wort. Explore the specific characteristics of these archival strains and brewing recommendations below!
Q4: October–December 2026
Species: Saccharomyces pastorianus
Profile: A complex and aromatic strain that can be used for a variety of lager beers. This strain is an excellent choice for Pre-Prohibition Lagers, American Lagers, and Light Lagers.
History: With a historic origin from a famous Minnesota brewery, this yeast made its way to another pioneering brewery out west and was archived with Wyeast in 1987. It was contribute to the Wyeast Culture Collection the following year and made available to all craft brewers.
Recommended Pitch Rate for 5 Gallons:
2 Activators™ for ≤ 1.048-1.065 SG
3 Activators™ for 1.065-1.074 SG
3-4+ Activators™ for 1.074-1.105 SG
Let’s Get Brewing: Instructions for use
Species: Saccharomyces cerevisiae
Profile: This authentic Kolsch strain has a rich flavor profile which accentuates a soft malt finish. It has low or no detectable diacetyl production and will also ferment well at colder temperatures for fast lager type beers.
History: Isolated in 2008 for an Oregon brewer trained in the craft of German brewing, and added to the Wyeast Private Collection in the 2010’s.
Recommended Pitch Rate for 5 Gallons:
1 Activators™ for ≤ 1.048-1.065 SG *
1-2 Activators™ for 1.065-1.074 SG *
2+ Activators™ for 1.074-1.105 SG *
* we recommend pitching more yeast when fermenting at cooler temperatures
Let’s Get Brewing: Instructions for use
Explore Wyeast’s comprehensive yeast and bacteria collections
Explore past and current Private Culture Collection releases
