GeminivsHallertau Blanc
Gemini (dual purpose) and Hallertau Blanc (aroma) serve different purposes. Comparing acids, aromas and character helps pick the right hop.
Gemini
Alpha acid
6–10.4%
Beta acid
3–4.28%
Total oil
-
United States
Hallertau Blanc
Alpha acid
9–12%
Beta acid
4–7%
Total oil
0.8–2.2 mL
Germany
Key differences
When to pick Gemini
- Versatile - works for both bittering and aroma
When to pick Hallertau Blanc
- Higher alpha acid - stronger bittering
- Higher beta acid - smoother, longer-lasting bitterness
- More myrcene - pronounced citrus and resinous notes
- Aroma-focused - ideal for dry hopping
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in Gemini
HoneydewStrawberryEucalyptusRosemaryFruityCandyMandarinHayBlack currant
Only in Hallertau Blanc
PineappleGooseberryWhiteGrapesLemongrassPassion fruitCleanSauvignon
Property
| Property | Gemini | Hallertau Blanc |
|---|---|---|
| Alpha acid | 6–10.4% | 9–12% |
| Beta acid | 3–4.28% | 4–7% |
| Co-humulone | 31–32% | 22–35% |
| Total oil | - | 0.8–2.2 mL |
| Myrcene | 32–33% | 50–75% |
| Humulene | 11–12% | 0–3% |
| Caryophyllene | 4–5% | 0–2% |
| Farnesene | 0–1% | 0–1% |
| Origin | United States | Germany |
| Purpose | Dual purpose | Aroma |
Enigma
Nelson Sauvin