Ahtanum a.k.a. YCR 1
A bright American aroma hop — citrus and floral with an earthy base.
What it tastes like
Ahtanum is an aromatic American hop with bright citrus and floral character over a soft earthy base. A Cascade-like aroma hop, it's a flavorful choice for pale ales and IPAs where you want citrus lift without high bitterness.
Best in these styles
Tasting Tip
Add Ahtanum late or in the dry hop for a citrus-floral lift; it layers well with Cascade and Centennial.Beers showcasing Ahtanum
Specific beer examples coming soon.
Substitutes & relatives
If you can't source Ahtanum, these hops bring overlapping character.
For brewers — technical profile
Alpha Acid
5.7–6.3%
Beta Acid
5.0–6.5%
Total Oil
0.8–1.2 mL/100g
Oil composition
myrcene
50–55%
humulene
16–20%
caryophyllene
9–12%
farnesene
0%
History
Ahtanum (YCR 1) is an aroma variety released by Yakima Chief Ranches around 1997, valued for its bright Cascade-like citrus-and-floral aroma.
Sources
So you can see nothing here is made up — the published specifications on this page are traceable to grower / breeder data:
Freshness Note
Its bright aromatic oils are best fresh — keep cold and sealed for peak citrus.