Wallonian Farmhouse I Ale Yeast | White Labs WLP4020 Yeast | Vault Strain
White Labs Wallonian Farmhouse I Ale Yeast : WLP4020 | Vault Strain
Bold, Rustic Character for Classic Farmhouse Ales
White Labs WLP4020 Wallonian Farmhouse I Ale Yeast is a Belgian-style saison strain sourced from the French-speaking Wallonia region. It’s known for its assertive spicy and phenolic profile, paired with earthy, fruity esters. WLP4020 has a high attenuation rate and slightly tart finish, making it ideal for traditional farmhouse styles. With a moderately low flocculation level, it delivers complexity and character to beers that benefit from rustic expression and a dry finish.
Key Characteristics:
- Attenuation: 78% - 85%
- Flocculation: Low
- Alcohol Tolerance: Medium to High (up to 12%)
- Fermentation Temperature Range: 70°F - 84°F (21°C - 29°C)
- Profile: Spicy, earthy phenolics with subtle fruit and light tartness
Perfect for Brewing:
- Saison
- Farmhouse Ale
- Bière de Garde
- Rustic Specialty Ales
Why Choose WLP4020 Wallonian Farmhouse I Yeast?
- Bold Complexity: Offers layers of spice, fruit, and rustic character ideal for saison-style beers.
- High Attenuation: Ferments dry, allowing other ingredients to shine while enhancing drinkability.
- Traditional Expression: A great match for farmhouse-inspired recipes seeking authenticity.
Enhance Your Brewing Process
Pair WLP4020 with White Labs Brewzyme to help eliminate diacetyl and sharpen your finish. Support yeast vitality with White Labs Zinc Buddy for robust and consistent fermentation.
Our Commitment to Yeast Health
At SoCal Brewing Supply, we store all yeast under strict refrigeration with 24-hour temperature monitoring to preserve viability and freshness.
When shipping liquid yeast, we recommend adding an ice pack and insulated envelope. While ice packs may melt during transit, they buffer your yeast from environmental temperature extremes.
Looking for more options? Explore our complete selection of White Labs yeast strains.