AhtanumvsWillamette
Ahtanum (aroma) and Willamette (dual purpose) serve different purposes. Comparing acids, aromas and character helps pick the right hop.
Ahtanum
Alpha acid
3.5–6.5%
Beta acid
4–6.5%
Total oil
0.5–1.7 mL
United States
Willamette
Alpha acid
4–7.2%
Beta acid
3–4.5%
Total oil
0.6–1.6 mL
United States
Key differences
When to pick Ahtanum
- Higher beta acid - smoother, longer-lasting bitterness
- More myrcene - pronounced citrus and resinous notes
- Aroma-focused - ideal for dry hopping
- Richer, more complex aroma profile
When to pick Willamette
- Versatile - works for both bittering and aroma
Aroma profile and use
Shared aromas
CitrusFloral
Only in Ahtanum
GrapefruitGeraniumPineEarthyCedarLemon
Only in Willamette
IncenseElderberryCaramelCurry
Property
| Property | Ahtanum | Willamette |
|---|---|---|
| Alpha acid | 3.5–6.5% | 4–7.2% |
| Beta acid | 4–6.5% | 3–4.5% |
| Co-humulone | 30–35% | 28–35% |
| Total oil | 0.5–1.7 mL | 0.6–1.6 mL |
| Myrcene | 45–55% | 30–40% |
| Humulene | 15–22% | 20–27% |
| Caryophyllene | 9–12% | 7–8% |
| Farnesene | 0–1% | 5–6% |
| Origin | United States | United States |
| Purpose | Aroma | Dual purpose |
Fuggle