Stirling
Alpha acid
6–12%
Beta acid
4–6%
Total oil
1.3–1.9 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 Stirling
- Higher alpha acid - stronger bittering
- More essential oils - more intense aroma
- Versatile - works for both bittering and aroma
When to pick Ahtanum
- Aroma-focused - ideal for dry hopping
- Richer, more complex aroma profile
Aroma profile and use
Shared aromas
Floral
Only in Stirling
HerbalCitusSpicy
Only in Ahtanum
CitrusGrapefruitGeraniumPineEarthyCedarLemon
Property
| Property | Stirling | Ahtanum |
|---|---|---|
| Alpha acid | 6–12% | 3.5–6.5% |
| Beta acid | 4–6% | 4–6.5% |
| Co-humulone | 21–28% | 30–35% |
| Total oil | 1.3–1.9 mL | 0.5–1.7 mL |
| Myrcene | 44–48% | 45–55% |
| Humulene | 19–23% | 15–22% |
| Caryophyllene | 5–7% | 9–12% |
| Farnesene | 11–17% | 0–1% |
| Origin | United States | United States |
| Purpose | Dual purpose | Aroma |