Liberty
Alpha acid
3–6.5%
Beta acid
3–4%
Total oil
0.6–1.8 mL
United States
Ahtanum
Alpha acid
3.5–6.5%
Beta acid
4–6.5%
Total oil
0.5–1.7 mL
United States
Key differences
When to pick Liberty
- Bittering workhorse - efficient in the mash
When to pick Ahtanum
- Higher beta acid - smoother, longer-lasting bitterness
- More myrcene - pronounced citrus and resinous notes
- Aroma-focused - ideal for dry hopping
Aroma profile and use
Shared aromas
FloralCitrusLemon
Only in Liberty
NobleHerbalSpicyDelicate
Only in Ahtanum
GrapefruitGeraniumPineEarthyCedar
Property
| Property | Liberty | Ahtanum |
|---|---|---|
| Alpha acid | 3–6.5% | 3.5–6.5% |
| Beta acid | 3–4% | 4–6.5% |
| Co-humulone | 22–30% | 30–35% |
| Total oil | 0.6–1.8 mL | 0.5–1.7 mL |
| Myrcene | 15–25% | 45–55% |
| Humulene | 35–45% | 15–22% |
| Caryophyllene | 10–15% | 9–12% |
| Farnesene | 0–1% | 0–1% |
| Origin | United States | United States |
| Purpose | Bittering | Aroma |