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Beer Maverick

Beer Yeast Database: The Complete Guide

Browse 430+ Yeast Strains:

Beer would just be sugar water without yeast. Yeast chew up sugar and turn it into alcohol and a host of other by products.

Read More: Yeast Substitution Chart

For the most part, home brewers rely on two types of beer yeasts to make our favorite concoction. Ale and Lager yeasts are the two most common. While work essentially the same, there are a few minor differences between the two that make each one their own species.

Ale Yeasts (Top Fermenting)

Ale yeasts (Saccharomyces cerevisiae) rise to the top of the fermenter as they propagate and work at chewing up sugars. This is what is meant by “top fermenting”. These yeasts typically work between an ideal temperature range of 60-73 °F (18-22 °C), although some individual strains can go lower or higher than that. This temperature range is perfect for home brewers as it is fairly easy to maintain regardless of circumstances.

Some ale strains produce fruity esters while they ferment while others produce a remarkably clean profile with very little character added. Flocculation and alcohol tolerance is across the board from low to high, so no matter the beer you want to brew, an ale strain will likely work just fine.

Ale yeasts are used to of course brew ales, but also stouts, porters, wheat beers, kölsch and blondes.

Popular Ale Yeast Strains

  • Conan (The Alchemist)
  • Chico (Sierra Nevada)
  • Boddington (London Ale III)
  • PacMan (Rogue Ale)
  • Denny’s Favorite
  • Hefeweizen

Lager Yeasts (Bottom Fermenting)

Working at colder temperatures than Ale strains, Lager yeast (Saccharomyces pastorianus) also ferment much slower. Most lager yeast strains ferment at the bottom of the fermenter, and work within the temperature range of 44 to 60°F (7-15°C).

Lager yeasts are commonly average at eating all the available sugars and are highly flocculant, meaning they drop out of the beer so it becomes clear.

The colder temperatures lager work at inhibit the production of chemical products or off-flavors that can be more pronounced in ales. This is why lagers have a so-called “cleaner” taste than ales with a more pronounced malt backbone. You would use lager yeasts to brew… wait for it… lagers(!), but also pilsners, bocks, Märzens, and dortmunders.

Others

There are a handful of yeasts that are not Ale or Lager, and each one has their own special flavor and profile.

Brettanomyces bruxellensis are used to create “brett” style or sour beers and have extremely high attenuation rates. Brett yeast strains are commonly pitched in the secondary fermentation stage.

Saccharomyces cerevisiae variety diastaticus strains (sometimes identified with a STA1 label) are also known to be extremely high attenuators due to the “contamination” of the STA1 gene. Many of these strains are considered good for making Saisons.

Bacteria-positive yeasts are strains that are known to have a bacterial strain housed within them. Many of these “blends” are used for creating sour beers due to the sourness added by the bacteria. There are some yeast packets available that are 100% bacteria, which add flavor but no alcohol.

Bacteria are used to sour beers just like the Brett strain of yeast. They however do not create any alcohol and are usually used to kettle sour a beer before a yeast strain is added to finish the fermentation.

Yeast Characteristics

Each yeast strain has its own characteristics that make them unique and suitable for different bear styles. There are five major qualities that pertain to each particular yeast strain. Most of these qualities are expressed in ranges because the surrounding elements and ingredients of the beer have just as much to do with how these yeasts perform.

Exclusive Tool: Yeast Comparison Wizard

Attenuation

Attenuation refers to the percentage of sugars in the wort that end up being converted into alcohol. Attenuation is often referred to in either percentages or with “low”, “medium” or “high” terms.

  • High Attenuation: 78% and higher
  • Medium Attenuation: 73% to 77%
  • Low Attenuation: 72% and lower

Alcohol Tolerance

Alcohol tolerance refers to how much alcohol the yeast can sustain before becoming inactive. As the alcohol content (ABV) increases, the yeasts begin to “go to sleep” and stop fermenting. The more alcohol a yeast strain can handle, the higher the ABV will be in the finished beer.

  • Low: 5% and lower
  • Medium-Low: 4-8%
  • Medium: 5-10%
  • Medium-High: 8-12%
  • High: 10-15%
  • Very High: 15% and higher

Flocculation

Flocculation refers to the tendency of yeast to form clumps called “flocs” that drop as fermentation finishes. Yeast flocculation can be classified as high, medium, or low. Highly flocculating yeasts sink to the bottom of the fermenter more quickly and produce a clearer beer.

Optimal Temperature Ranges

As we touched on above, ale and lager strains ferment at vastly different temperatures. What doesn’t change between the two kinds is that if the temperature is too high or too low, bad things can happen. If the temperature is too low, fermentation could be slow to start or never finish. If it’s too warm, you risk producing off-flavors that’ll force you to dump the beer down the drain.

Flavor Profile

Defining a yeast strain’s flavor profile is difficult, and takes some guess work. When a manufacturer says that their strain imparts a “fruitiness”, they don’t mean that it actually adds fruit. They mean that the esters produced by the yeast kind of taste like fruits.

Yeasts can do so much to transform the final flavor of your beer. They can accentuate your beer’s maltiness or hoppiness profiles, or add fruity, sweet, or dry finishes.

Beer Yeast Database

Beer Maverick has compiled the largest and most complete yeast database anywhere online. We’ve spent months getting the attenuation, optimal temps, descriptions and more for over 400 beer yeasts.

Bootleg Biology

AURORAKveik Yeast
Classic AmericanYeast
Classic EnglishYeast
Funk Weapon #1Yeast
Funk Weapon #2Yeast
Funk Weapon #3Yeast
NEEPAH BlendYeast
OSLOKveik Yeast
S. arlingtonesisYeast
Saison ParfaitYeast
Sour Solera BlendBlend
Sour Weapon LBacteria
Sour Weapon PBacteria
The Mad Fermentationist Saison BlendBlend

CellarScience

CellarScience BerlinYeast
CellarScience CaliYeast
CellarScience EnglishYeast
CellarScience GermanYeast
CellarScience NectarYeast

East Coast Yeast

Berliner blendHybrid
BugFarmHybrid
Farmhouse BrettYeast
Flemish AleHybrid
KellerbierYeast
KolschbierYeast
Nordic FarmhouseKveik Yeast
North East AleYeast
Old Newark AleYeast
Saison Brasserie BlendYeast Blend
Scottish HeavyYeast

Escarpment Labs

American AleYeast
Anchorman AleYeast
Ardennes Belgian AleYeast
Arset Kveik BlendKveik Yeast
Belgian Sour BlendYeast
Berliner Brett IYeast
Biergarten LagerYeast
Brett BYeast
Brett DYeast
Brett QYeast
Brussels BrettYeast
Cali AleYeast
CerberusYeast
Classic WitbierYeast
Copenhagen LagerYeast
Czech LagerYeast
Dry Belgian AleYeast
Ebbegarden Kveik BlendKveik Yeast
English Ale IYeast
English Ale IIYeast
English Ale IIIYeast
Foggy London AleYeast
Fruit Bomb SaisonYeast
Fruity WitbierYeast
Hornindal Kveik BlendKveik Yeast
Irish AleYeast
Isar LagerYeast
Kolsch AleYeast
KrispyKveik Yeast
Lactobacillus Blend 2.0Hybrid
Lactobacillus brevisHybrid
Mexican LagerYeast
Munich LagerYeast
New World SaisonYeast
Old World Saison BlendYeast
Ontario Farmhouse Ale BlendYeast
Saison MaisonYeast
Skare KveikKveik Yeast
Spooky SaisonYeast
St-Remy Abbey AleYeast
St. Lucifer Belgian AleYeast
Stirling AleYeast
UberweizenYeast
Vermont AleYeast
Voss KveikKveik Yeast
Weizen IYeast
Wild ThingYeast

Fermentis

SafAle BE-134Yeast
SafAle BE-256Yeast
SafAle F-2Yeast
SafAle K-97Yeast
SafAle S-04Yeast
SafAle S-33Yeast
SafAle T-58Yeast
SafAle US-05Yeast
SafAle WB-06Yeast
SafBrew DA-16Yeast
SafBrew HA-18Yeast
SafBrew LA-01Yeast
SafLager S-189Yeast
SafLager S-23Yeast
SafLager W-34/70Yeast
SafSour LP 652Bacteria

GigaYeast

A TOUCH OF SPICE BELGIAN ALEYeast
ALTSTADT ALEYeast
AMERICAN LAGERYeast
Bavarian HefeYeast
BELGIAN ABBEY ALEYeast
BELGIAN MIXYeast
BELGIAN TRIPELYeast
BELGIAN WITYeast
BERLINER BLENDBlend
BRITISH ALE #1Yeast
BRITISH ALE #2Yeast
British HazeYeast
BRUSSELS BRUXELLENSISYeast
BRUX BLENDBlend
CZECH PILSNERYeast
FARMHOUSE SOURBlend
German Ale YeastYeast
GERMAN LAGERYeast
GigaYeast LactoBacteria
GOLDEN GATE LAGERYeast
GOLDEN PEAR BELGIANYeast
Hornindal Kveik #5Kveik Yeast
IRISH STOUTYeast
KOLSCH BIERYeast
Kveik #1Kveik Yeast
NorCal Ale #1Yeast
NORCAL ALE #5Yeast
PORTLAND HEFEYeast
QUEBEC ABBEY ALEYeast
SAISON #1Yeast
SAISON #2Yeast
SAISON BLENDYeast
SAISON SOURBlend
SCOTCH ALE #1Yeast
SOUR CHERRY FUNKBlend
SOUR PLUM BELGIANBlend
Sweet Flemish BrettYeast
TART CHERRY BRETTYeast
VERMONT IPAYeast

Imperial Yeast

BarbarianYeast
BartlebyKveik Yeast
CablecarYeast
CitrusYeast
DarknessYeast
DieterYeast
Dry HopYeast
FlagshipYeast
GlobalYeast
GnomeYeast
HarvestYeast
HouseYeast
IndependenceYeast
JoystickYeast
JuiceYeast
KaiserYeast
KveikingKveik Yeast
LokiKveik Yeast
NapoleonYeast
POGKveik Yeast
PubYeast
RusticYeast
Sour Batch KidzHybrid
StefonYeast
Suburban BrettYeast
TartanYeast
Triple DoubleYeast
UrkelYeast
WhiteoutYeast

Lallemand

LalBrew AbbayeYeast
LalBrew Belle SaisonYeast
LalBrew BRY-97Yeast
LalBrew CBC-1Yeast
LalBrew Diamond LagerYeast
LalBrew KolnYeast
LalBrew LondonYeast
LalBrew Munich ClassicYeast
LalBrew New EnglandYeast
LalBrew NottinghamYeast
LalBrew Verdant IPAYeast
LalBrew VossKveik Yeast
LalBrew WindsorYeast
LalBrew WitYeast
Prise de Mousse Wine YeastYeast
SourvisiaeYeast
WildBrew Philly SourYeast

Mangrove Jack

Bavarian WheatYeast
Belgian AleYeast
Belgian WitYeast
Bohemian LagerYeast
California LagerYeast
Empire AleYeast
French Saison AleYeast
Liberty Bell AleYeast
New World Strong AleYeast
US West CoastYeast
WorkhorseYeast

Muntons

Muntons Premium GoldYeast
Muntons Standard AleYeast

Omega Yeast

ABBEY ALE CYeast
ALL THE BRETTSYeast
ALTYeast
AMERICAN LAGERYeast
AMERICAN PILSNERYeast
AMERICAN WHEATYeast
Bavarian Wheat IYeast
Bavarian Wheat IIYeast
BAYERN LAGERYeast
BELGIAN ALE AYeast
BELGIAN ALE DYeast
BELGIAN ALE DKYeast
BELGIAN ALE OYeast
BELGIAN ALE RYeast
BELGIAN ALE WYeast
BELGIAN GOLDEN STRONGYeast
BELGIAN SAISON IYeast
BELGIAN SAISON IIYeast
Belgian WheatYeast
BIERE DE GARDEYeast
BRETT BLEND #1 WHERE DA FUNK?Yeast
BRETT BLEND #2 BIT O'FUNKYeast
BRETT BLEND #3 BRING ON DA FUNKYeast
BRETTANOMYCES BRUXELLENSISYeast
BRETTANOMYCES CLAUSSENIIYeast
BRETTANOMYCES LAMBICUSYeast
BRITISH ALE IYeast
BRITISH ALE IIYeast
BRITISH ALE IIIYeast
BRITISH ALE IVYeast
BRITISH ALE VYeast
BRITISH ALE VIYeast
BRITISH ALE VIIYeast
BRITISH ALE VIIIYeast
C2C American FarmhouseBlend
CL-50 ALEYeast
DANISH LAGERYeast
DIPA ALEYeast
EAST COAST ALEYeast
ESPE KVEIKKveik Yeast
FRENCH SAISONYeast
GERMAN BOCKYeast
GERMAN LAGER IYeast
GERMAN LAGER IIYeast
GRAND CRUYeast
GULO ALEHybrid
Hefeweizen Ale IYeast
Hefeweizen Ale IIYeast
Hornindal KveikKveik Yeast
HOTHEAD ALEKveik Yeast
IRISH ALEYeast
JOVARU LITHUANIAN FARMHOUSEYeast
KOLSCH IYeast
KOLSCH IIYeast
Lactobacillus BlendBlend
LAGER IYeast
LONDON ALEYeast
Lutra KveikKveik Yeast
MEXICAN LAGERYeast
NORTHWEST FARMHOUSE BRETTYeast
OktoberfestYeast
PACIFIC NW ALEYeast
PEDIOCOCCUSBlend
PILSNER IYeast
PILSNER IIYeast
SAISONSTEIN'S MONSTERHybrid
SCOTTISH ALEYeast
TROPICAL IPAYeast
VOSS KVEIKKveik Yeast
West Coast Ale IYeast
WEST COAST ALE IIYeast
WEST COAST ALE IIIYeast
WEST COAST ALE IVYeast
WEST COAST LAGERYeast
WITYeast

RVA Yeast Labs

Chico AleYeast
Chiswick AleYeast
Hoptopper AleYeast
Manchester AleYeast
Oktoberfest LagerYeast
Pacman AleYeast

The Yeast Bay

Amalgamation - Brett Super BlendYeast
Amalgamation II - Brett Super BlendYeast
Beersel Brettanomyces BlendYeast
Brettanomyces Bruxellenis TYB261Yeast
BRETTANOMYCES BRUXELLENSIS - STRAIN TYB184
Brettanomyces Bruxellensis - Strain TYB207
Brettanomyces Bruxellensis - Strain TYB307
Brettanomyces bruxellensis - Strain TYB415
Brussels Brettanomyces BlendYeast
Dark Belgian CaskBlend
Dry Belgian AleYeast
Farmhouse Sour AleBlend
Flanders Specialty AleYeast
Framgarden KveikKveik Yeast
Franconian Dark LagerYeast
Funktown Pale AleBlend
Hazy DazeYeast
Hazy Daze IIYeast
Hessian PilsYeast
Hornindal KveikKveik Yeast
Lactobacillus BlendBacteria
Lactobacillus brevis - Strain TYB282Bacteria
Lida KveikKveik Yeast
Lochristi Brettanomyces Blend
Mélange - Sour BlendHybrid
Metschnikowia reukaufii
Midtbust KveikKveik Yeast
Midwestern AleYeast
Northeastern AbbeyYeast
Pakruojis Lithuanian FarmhouseKveik Yeast
Saison BlendBlend
Saison Blend IIYeast
Saison/Brettanomyces BlendYeast
Saison/Brettanomyces Blend IIBlend
Sigmund's Voss KveikKveik Yeast
Sigmund's Voss KveikKveik Yeast
Simonaitis Lithuanian FarmhouseKveik Yeast
Transatlantic Berliner BlendHybrid
Vermont AleYeast
Wallonian FarmhouseYeast
Wallonian Farmhouse IIYeast
Wallonian III FarmhouseYeast

White Labs

Abbey Ale YeastYeast
Abbey IV Ale YeastYeast
American Ale Yeast BlendBlend
American Farmhouse BlendYeast
American Hefeweizen Ale YeastYeast
American Lager YeastYeast
Bastogne Belgian Ale YeastYeast
Bavarian Weizen Ale YeastYeast
Bedford British AleYeast
Belgian Ale YeastYeast
Belgian Golden Ale YeastYeast
Belgian Saison I Ale YeastYeast
Belgian Saison II Ale YeastYeast
Belgian Strong Ale YeastYeast
Belgian Wit Ale YeastYeast
Belgian Wit II Ale YeastYeast
Belgian-Style Ale Yeast BlendYeast
Belgian-Style Saison Ale Yeast BlendBlend
Brettanomyces ClausseniiYeast
Brettanomyces LambicusYeast
British Ale YeastYeast
Burlington Ale YeastYeast
Burton Ale YeastYeast
California Ale YeastYeast
California V Ale YeastYeast
Charlie's Fist Bump YeastYeast
Coastal Haze Ale Yeast BlendBlend
Copenhagen Lager YeastYeast
Cream Ale Yeast BlendYeast
Czech Budejovice Lager YeastYeast
Dry English Ale YeastYeast
Düsseldorf Alt Ale YeastYeast
East Coast Ale YeastYeast
East Midlands Ale YeastSaccharomyces
Edinburgh Scottish Ale YeastYeast
English Ale YeastYeast
French Saison Ale YeastYeast
German Bock Lager YeastYeast
German Lager YeastYeast
German/Kolsch Ale YeastYeast
Hefeweizen Ale YeastYeast
Hefeweizen IV Ale YeastYeast
High Pressure Lager YeastYeast
Hornindal KveikKveik Yeast
Irish Ale YeastYeast
Lactobacillus BrevisBacteria
Lactobacillus delbrueckiiBacteria
London Ale YeastYeast
London Fog Ale YeastYeast
Mexican Lager YeastYeast
Monastery Ale YeastYeast
Oktoberfest/Märzen Lager YeastYeast
Old Bavarian Lager YeastYeast
Opshaug Kveik Ale YeastKveik Yeast
Pacific Ale YeastYeast
Pilsner Lager YeastYeast
Saccharomyces "Bruxellensis" TroisYeast
San Diego Super Ale YeastYeast
San Francisco Lager YeastYeast
Southern German Lager YeastYeast
Super High Gravity Ale YeastYeast

Wyeast

American AleYeast
American Ale IIYeast
American LagerYeast
American WheatYeast
Bavarian LagerYeast
Bavarian WheatYeast
Bavarian Wheat BlendYeast Blend
Belgian Abbey Style AleYeast
Belgian Abbey Style Ale IIYeast
Belgian ArdennesYeast
Belgian Dark AleYeast
Belgian High GravityYeast
Belgian Lambic BlendHybrid
Belgian SaisonYeast
Belgian Schelde AleYeast
Belgian StoutYeast
Belgian Strong AleYeast
Belgian Style BlendYeast Blend
Belgian WheatYeast
Belgian WitbierYeast
Berliner Weisse BlendHybrid
Bière de GardeYeast
Bohemian LagerYeast
Brettanomyces BruxellensisYeast
Brettanomyces LambicusYeast
British AleYeast
British Ale IIYeast
British Cask AleYeast
Budvar LagerYeast
Burton IPA BlendYeast Blend
California LagerYeast
Canadian/Belgian AleYeast
Czech PilsYeast
Danish LagerYeast
Denny's Favorite 50 AleYeast
English Special BitterYeast
European LagerYeast
Farmhouse AleYeast
Flanders Golden AleYeast
Forbidden FruitYeast
French SaisonYeast
Gambrinus Style LagerYeast
German AleYeast
German WheatYeast
Hella Bock LagerYeast
Irish AleYeast
KolschYeast
Kolsch IIYeast
Lactobacillus buchneriBacteria
London AleYeast
London Ale IIIYeast
London ESB AleYeast
Munich LagerYeast
Munich Lager IIYeast
North American LagerYeast
Northwest AleYeast
Octoberfest Lager BlendYeast Blend
Old Ale BlendYeast Blend
Oud Bruin Ale BlendHybrid
PacmanYeast
Pilsen LagerYeast
Pilsner Urquell H-StrainYeast
Ringwood AleYeast
Rocky Mountain LagerYeast
Roeselare Ale BlendHybrid
Saison-Brett BlendYeast Blend
Scottish AleYeast
Staro Prague LagerYeast
Thames Valley AleYeast
Thames Valley Ale IIYeast
Weihenstephan WeizenYeast
West Coast IPAYeast
West Yorkshire AleYeast
Whitbread AleYeast
Wyeast Bohemian Ale BlendYeast Blend

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