Glacier
Alpha acid
3.3–9.7%
Beta acid
5.4–10%
Total oil
0.5–1.5 mL
United States
Riwaka
Alpha acid
4.5–6.5%
Beta acid
4–5%
Total oil
0.8–1.5 mL
New Zealand
Key differences
When to pick Glacier
- Higher alpha acid - stronger bittering
- Higher beta acid - smoother, longer-lasting bitterness
- Versatile - works for both bittering and aroma
When to pick Riwaka
- 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 Glacier
PlumBlackberryWoodyCedar
Only in Riwaka
TropicalPassion fruitGrapefruitCitrus
Property
| Property | Glacier | Riwaka |
|---|---|---|
| Alpha acid | 3.3–9.7% | 4.5–6.5% |
| Beta acid | 5.4–10% | 4–5% |
| Co-humulone | 11–16% | 29–38% |
| Total oil | 0.5–1.5 mL | 0.8–1.5 mL |
| Myrcene | 35–45% | 67–70% |
| Humulene | 25–35% | 8–10% |
| Caryophyllene | 8–13% | 2–6% |
| Farnesene | 0–1% | 0–1% |
| Origin | United States | New Zealand |
| Purpose | Dual purpose | Aroma |
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