Brewer's Lair - Fine Beer and Brewing

Design Beer


Make Beer

Beer Basics

Know Beer


Enjoy Beer


Find Beer

About Us

Promote Beer

Enjoy the beer that you deserve.


Brewing Process
Malts, Grains, and Sugars
Brewing Tips



United States

What it does :

Ahtanum hops can be used for bittering, flavor, and aroma/finishing additions to your brew kettle. You can use Ahtanum hops to make the following beer styles: American Ale, American Brown Ale, American India Pale Ale, American Pale Ale, Bitter, California Common Beer, India Pale Ale, Light Lager. Substitutes for Ahtanum hops include: Amarillo, Cascade, Centennial, Simcoe.

What it is:

The Ahnatum hop variety was originally developed by C.E. Zimmermann in the 1990's. Its name refers to the area near the first hop farm established in Washington state in 1869. The pedigree of the Ahnatum hop was developed from open pollination. The aroma-flavor profile of the Ahnatum hop variety is floral, citrusy, sharp, and piney.

Vital Statistics

Alpha Acid (%):

5.7 - 6.3

Beta Acid (%):

5 - 6.5

Cohumulone (% of AA):

30 - 35

Total Oils (%v/w):

0.8 - 1.2

- Myrcene (% of whole oil):

50 - 50

- Humulene (% of whole oil):

16 - 20

- Caryophyllene (% of whole oil):

9 - 12

- Farnesene (% of whole oil):


Stability in storage:



Here is some guidance for your homebrewing hop additions:

  • For bittering, add hops as desired no later then 15 minutes from end of the boil.
  • For aroma, add hops 5-15 minutes from end of the boil.
  • For flavor, add hops 2-5 minutes from the end of the boil.
  • For dry-hop character, add directly to the primary or secondary fermenter.
  • The specific hop amount needed for a 5 gallon (18.9 liter) batch will vary. The main factors that determine the quantity of hops that you need are the alpha acid content of your hops, the boiling time that you select, and the bitterness targets for your recipe.

    Use our Hop Utilization, Hop Bill, and Hop Alpha Acid Loss Calculators to help you do the math to help determine how to best use Ahtanum hops in your next homebrew recipe.


    In general, you prepare your hops for use in beermaking by:

  • Ensuring that they are stored in sealed containers under refrigeration for maximum freshness prior to use.
  • Pre-measuring the amounts you plan to add for different stages of the wort boil.
  • Note that hops are available to brewers in a variety of forms (whole, plug, pellet).

    Related Links

    Hop Bill
    Hop Utilization
    Hop Alpha Acid Loss
    Weight Conversion
    Color Conversion