Glacier
Alpha acid
3.3–9.7%
Beta acid
5.4–10%
Total oil
0.5–1.5 mL
United States
Herald
Alpha acid
9–13%
Beta acid
4.5–5.5%
Total oil
1–1.9 mL
United Kingdom
Key differences
When to pick Glacier
- Higher beta acid - smoother, longer-lasting bitterness
When to pick Herald
- Higher alpha acid - stronger bittering
- More essential oils - more intense aroma
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in Glacier
PlumBlackberryWoodyCedar
Only in Herald
OrangeGrapefruitCitrusClean
Property
| Property | Glacier | Herald |
|---|---|---|
| Alpha acid | 3.3–9.7% | 9–13% |
| Beta acid | 5.4–10% | 4.5–5.5% |
| Co-humulone | 11–16% | 35–37% |
| Total oil | 0.5–1.5 mL | 1–1.9 mL |
| Myrcene | 35–45% | 39–41% |
| Humulene | 25–35% | 14–16% |
| Caryophyllene | 8–13% | 6–8% |
| Farnesene | 0–1% | 0–1% |
| Origin | United States | United Kingdom |
| Purpose | Dual purpose | Dual purpose |