Organic Yeast Strains
Grown in Portland, Oregon
Any of our yeast strains can be grown on gluten free media with a minimum order and extended lead time. Please call or email for more information about gluten free.
Ales
A04 Barbarian
Excellent yeast strain for any hop forward beer. Wonderfully suited for juicy, hazy New England IPAs.
A07 Flagship
Commonly referred to as "chico" this yeast is a craft brewing standard, loved for its extremely clean character.
A09 Pub
Beloved and highly flocculent British ale strain. Well suited for a variety of beer styles.
A10 Darkness
Brewers love this yeast strain for dark beers. Its high alcohol tolerance makes it a go-to for big beers.
A15 Independence
American ale yeast strain, slightly ester forward and loves to play with hops.
A18 Joystick
Clean American brewing yeast strain. Excellent choice for big, high alcohol, hoppy beers.
A20 Citrus
“Wild” saccharomyces yeast strain known to produce a huge citrus fruit ester profile.
A24 Dry Hop
A blend of two highly popular yeast strains, well suited for hop forward beers.
A30 Corporate
Wonderful choice for hop forward beers. Lovely, clean profile that accentuates hops just right.
A31 Tartan
Traditional Scottish brewers yeast strain, well suited for malt forward beers.
A34 Julius
Esters of oranges, lemons, and apricots combine to create hop forward beer perfection
A38 Juice
The go-to for juicy, hazy, NE IPAs. Hardly a one-trick pony, it can also be a great choice as a house ale strain.
A43 Loki
Norwegian Voss Kveik Strain. Highly versatile, can be used in a wide variety of beer styles.
A44 Kveiking
Blend of 3 kveik strains conquers wort, leaving tropical fruit flavors in its wake.
Gluten Free
A01GF House Gluten Free
Gluten Free version of this extremely versatile English ale strain, allowing both malt and hops to shine.
A07GF Flagship Gluten Free
This is the Gluten Free version of the strain commonly referred to as "chico". This yeast is a craft brewing standard, loved for its extremely clean character.
A40GF Bubbles
A traditional cider strain, Bubbles is a beautiful strain for fruit juice based fermentations.
Belgian Ales
B45 Gnome
Versatile and unique Belgian ale yeast, excellent choice for Belgian pale ales or IPAs.
B53 Precious
Low phenol and ester profile make this the Belgian strain of choice to really let brett shine
B63 Monastic
Excellent Abbey strain, good choice for all your high gravity Belgian fermentations.
B64 Napoleon
Classic strain to produce French Saison where a balance of fruit esters and spicy phenols are necessary.
Wild & Sour
F08 Sour Batch
An exclusive funky blend containing a low attenuating Belgian saison yeast, Lacto, and three Brett yeast strains.
W15 Suburban Brett
Proprietary to Imperial, this brettanomyces strain produces lovely pie cherry and tropical aromas.
German Ales
G01 Stefon
Brewers love this traditional hefeweizen strain for any of their weizen beer needs!
G02 Kaiser
Traditional Alt yeast strain however, this German ale strain can do just about anything.
Imperialis
I22 Capri
Capri’s juicy ester aromatics, tropical flavors, and bright citrus notes emphasize the desirable qualities from the two popular parent strains: A38 Juice & A43 Loki.
Lagers
L17 Harvest
Brewers love this lager yeast strain for its versatility; it will impress you with its ability to ferment pretty much any lager style you throw at it.
L26 Pilgrimage
Wonderful choice for a house lager strain. Produces a clean fermentation and accentuates malt profile to create balanced and nuanced lagers.
Seasonal
L09 Que Bueno
Perfect strain to ferment your Mexican lager, Vienna lager, Maibock, and many more