Southern PromisevsAhtanum
Southern Promise (dual purpose) and Ahtanum (aroma) serve different purposes. Comparing acids, aromas and character helps pick the right hop.
Southern Promise
Alpha acid
9.5–14.5%
Beta acid
3.6–5.8%
Total oil
0.7–1.1 mL
South Africa
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 Southern Promise
- Higher alpha acid - stronger bittering
- Versatile - works for both bittering and aroma
When to pick Ahtanum
- More myrcene - pronounced citrus and resinous notes
- Aroma-focused - ideal for dry hopping
- Richer, more complex aroma profile
Aroma profile and use
Shared aromas
CitrusFloral
Only in Southern Promise
HerbalFruityWoodyBerry
Only in Ahtanum
GrapefruitGeraniumPineEarthyCedarLemon
Property
| Property | Southern Promise | Ahtanum |
|---|---|---|
| Alpha acid | 9.5–14.5% | 3.5–6.5% |
| Beta acid | 3.6–5.8% | 4–6.5% |
| Co-humulone | 20–22% | 30–35% |
| Total oil | 0.7–1.1 mL | 0.5–1.7 mL |
| Myrcene | 21–25% | 45–55% |
| Humulene | 23–27% | 15–22% |
| Caryophyllene | 7–11% | 9–12% |
| Farnesene | 0–1% | 0–1% |
| Origin | South Africa | United States |
| Purpose | Dual purpose | Aroma |