Glacier
Alpha acid
3.3–9.7%
Beta acid
5.4–10%
Total oil
0.5–1.5 mL
United States
Zappa
Alpha acid
6–9%
Beta acid
8–9%
Total oil
1.8–2.5 mL
United States
Key differences
When to pick Glacier
- Versatile - works for both bittering and aroma
When to pick Zappa
- Higher alpha acid - stronger bittering
- More essential oils - more intense aroma
- More myrcene - pronounced citrus and resinous notes
- Aroma-focused - ideal for dry hopping
- Richer, more complex aroma profile
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in Glacier
PlumBlackberryWoodyCedar
Only in Zappa
MintSavoryFruityMangoPassion fruitTropicalCitrusPineSpicyFresh
Property
| Property | Glacier | Zappa |
|---|---|---|
| Alpha acid | 3.3–9.7% | 6–9% |
| Beta acid | 5.4–10% | 8–9% |
| Co-humulone | 11–16% | 40–45% |
| Total oil | 0.5–1.5 mL | 1.8–2.5 mL |
| Myrcene | 35–45% | 64–65% |
| Humulene | 25–35% | 4–5% |
| Caryophyllene | 8–13% | 8–9% |
| Farnesene | 0–1% | 0–1% |
| Origin | United States | United States |
| Purpose | Dual purpose | Aroma |
Fuggle
Styrian Golding