Ahtanum® Hops: Profile & Substitutions

Description

Ahtanum® is named for the location where Charles Carpenter established the first hop farm in the Yakima Valley in 1869. It is the first commercially available bred hop by Yakima Chief Ranches. Used primarily as an aroma hop due to low alpha acid composition.

Substitution Tip

If you can't find Ahtanum, the best alternatives are Amarillo®, Cascade, Centennial, Simcoe®, or Willamette.

At A Glance

Profile Citrus (grapefruit), earthy and floral. Piney has been associated as well.
Purpose Aroma
Alpha Acid 3.5 - 6.7%
Substitutes Amarillo®, Cascade, Centennial, Simcoe®, Willamette
Pairs with Amarillo®, Cascade, Citra®, Crystal, Mosaic®
Beer Styles American Pale Ale, IPA, California Common, ESB

General Information

Country United States
Alias YCR1
Storage Stability
Retains 50 - 55% alpha acid contents after 6 months of storage at 68°F.

Brewing Chemistry (Acids & Oils)

Alpha Acid 3.5 - 6.7%
Beta Acid 4.0 - 6.5%
Cohumulone 30.0 - 35.0%
Total Oil 0.5 - 1.7 ml/100g
Myrcene 45.0 - 55.0%
Humulene 15.0 - 22.0%
Caryophyllene 9.0 - 12.0%
Farnesene < 1.0%
Linalool 0.4 - 0.6%
B-Pinene 0.6 - 0.9%
Geraniol 0.4 - 0.7%

Growth & Cultivation

Yield 1600 - 1800 lbs/acre
Maturity Middle
Resistant Downy mildew
Tolerant Powdery mildew
Growth Rate Moderate
Cones Small size with compact density
Ease of Harvest Good

Ahtanum Aroma/Flavor Profile

Discovery Tags

Flavor/Aroma
Earthy Floral Grapefruit Pine
Variety Name
Amarillo Cascade Centennial Crystal Mosaic Simcoe Willamette
Beer Style
American Pale Ale California Common Extra Special Bitter India Pale Ale
Usage
Aroma
Origin
United States
Last Updated
  • 2024-03-30 11:18:59
Source(s)

Hops Catalog

Navigating This Profile
  • The Stats: Use the Purpose and Alpha % to understand the hop's bitterness and aromatic strength.
  • Discovery Tags: Scroll down to find clickable tags for Flavor, Origin, and Usage.
  • The Network: Click any tag (like #Citrus or #New Zealand) to instantly view every other hop in our catalog that shares that trait.
Discovery Tag Spotlight

  • #Stone-Fruit (Orchard Vibe)

    Saturday is for smooth sipping. From fuzzy peach to ripe apricot, these hops add a soft, rounded sweetness to the aroma of Pale Ales and Sours. Explore #Stone-Fruit Hops!
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Did you know?
  • Dwarf variety hops grow shorter in height than traditional varieties but, importantly, produce the same yield. This combination makes harvest easier.
Explanations
  • Storage: is based on the percentage of alpha acids remaining after 6 months at 20*F.
  • Oil composition percetages are based on the total percentage of oil in the hop. Example: 10 - 20% means that for the specific oil it is 10 - 20% of the overall oil make up.