Wyeast 3638 Bavarian Wheat from Wyeast: 18 to 24 C (64 to 75 F), 70 to 76 % attenuation, 10 % ABV tolerance, low flocculation. Styles and substitutes.
Updated 05 September 2026.
Wyeast 3638 Bavarian Wheat yeast: temperature, attenuation and alcohol tolerance
Wyeast (liquid)The published Wyeast data for Wyeast 3638 Bavarian Wheat, the styles it suits, and what to use if you cannot get it.
Published technical data
| Manufacturer | Wyeast (liquid) |
|---|---|
| Species | Saccharomyces cerevisiae, top-fermenting wheat/weizen strain |
| Fermentation temperature | 18 to 24 C (64 to 75 F) |
| Apparent attenuation | 70 to 76 % |
| Alcohol tolerance | 10 % ABV |
| Flocculation | Low |
Notes
Recommended for hefeweizen, dunkelweizen, weizenbock.
Character: Balances banana esters with apple and plum, and a hint of clove and smoke.
A Bavarian wheat strain that balances banana ester against apple, plum and a hint of clove and smoke, giving a complex weizen. Low flocculation keeps it cloudy. Ferment warm for banana, cooler for clove; pitch temperature sets the balance.
Substitutes and styles
Questions and answers
What is the manufacturer of the Wyeast 3638 Bavarian Wheat yeast?
Wyeast (liquid)
What is the species of the Wyeast 3638 Bavarian Wheat yeast?
Saccharomyces cerevisiae, top-fermenting wheat/weizen strain
What is the fermentation temperature of the Wyeast 3638 Bavarian Wheat yeast?
18 to 24 C (64 to 75 F)
What is the apparent attenuation of the Wyeast 3638 Bavarian Wheat yeast?
70 to 76 %