Omega

This citrusy, lightly phenolic saison strain is so attenuative and reliable in performance that people joke it could ferment a shoe. The French Saison strain results in great body consistency.

A productive, brewery friendly, top cropper attributed to a historic London brewery whose lab once hosted Louis Pasteur. It drops fast and clear, and is clean and crisp at low temperatures with heightened esters and a lightly tart, dry finish at upper ran

This strain offers the mildest funk, presenting leather and some pineapple, and more noticeable in the aroma than flavor.

Contains a Sacch strain and is spiked with brux, lambicus, two Brett isolates from a Brett-famous brewery, and two Brett isolates from an ​“intense” Belgian source, for a funky, fruity, complex, 8‑strain composition.

Contains a Sacch strain and is spiked with brux for development of moderate funk in secondary. May take 3+ months to emerge.

Thought to originate from a small, sophisticated, Belgian brewer’s spelt saison. It is earthy, spicy, peppery, tart and dry, with tropical fruit and citrus at warm fermentation temperatures.

Put a spin on lager brewing with Lunar Crush, our distinctively tropical Thiolized lager strain. Lunar Crush biotransforms thiol precursors from malt, hops, and grape-derived products for a new wave of passion fruit, guava, and New Zealand Sauvignon blanc

Star Party is designed to enhance thiol biotransformation while retaining the clean fermentation profile and clarity of its parental strain, West Coast Ale I (OYL-004)

Ripe banana esters (with a hint of pear) make this new, Omega Yeast-original strain a standout for pastry stouts, milkshake IPAs and other modern ales. Pitch at 68°F (20°C) and let free rise to 72-76°F (21-23°C) for prime banana flavor. Unlike the Hefewei

Containing three Lactobacillus strains- brevis, delbrueckii, and plantarum. The Lactobacillus blend ferments across a wide temperature range.

A highly flocculent Norwegian ale strain with an astoundingly wide temperature range and little change in flavor across the range, Hothead is clean enough for both American and English styles. It has a unique honey-like aroma with overripe mango which is

A wonderfully unique Norwegian farmstead kveik, Hornindal produces a tropical flavor and complex aroma that can present itself as stonefruit, pineapple, and dried fruit leather, which complement fruit-forward hops.

Isolated from a famous double IPA brewed in Vermont, the DIPA strain produces a unique ester profile reminiscent of peaches and complements an aggressive utilization of hops in the kettle and in dry hopping.

C2C American Farmhouse is a coast to coast blend of one saison strain from a famous Northeast U.S. brewery and one Brettanomyces strain from a Northwest U.S. brewery. The blend results in a fast developing fruity and funky farmhouse ale.

Well-suited for making 100% Brett beers, the Brett Blend is a combination of two Brettanomyces strains, producing huge tropical fruit aromas during fermentation. During the conditioning phase, the tropical fruit notes will fade somewhat, allowing the flav

Thought to come from Munich's oldest, traditional and vintage-vibed brewery. The Bayern Lager strain is clean, crisp and ferments well at a wide range. It has good flocculation, and has both low sulfur and low diacetyl production.

A blend of nearly every Brett in our collection. Use All the Bretts in secondary and expect high attenuation and a fruity and funky complexity that continues to develop over time. This evolving blend always contains at least 10 Brett strains.

Born from an exclusive partnership with the famed Jovaru Brewery's "queen of Lithuanian farmhouse beer," this unique yeast complements farmhouse beers with citrusy esters and restrained phenols. The strain produces a character of lemon pith, black pepper,

Kolsch II is warmer fermenting than Kolsch I (OYL-017), flocculates much better & clears more quickly, so it is a little easier to manage. It is a lager-like ale strain that's lightly fruity, crisp & clean with a hint of sulfur that disappears with age to