Glacier
Alpha acid
3.3–9.7%
Beta acid
5.4–10%
Total oil
0.5–1.5 mL
United States
Stirling
Alpha acid
6–12%
Beta acid
4–6%
Total oil
1.3–1.9 mL
United States
Key differences
When to pick Glacier
- Higher beta acid - smoother, longer-lasting bitterness
When to pick Stirling
- Higher alpha acid - stronger bittering
- More essential oils - more intense aroma
- More myrcene - pronounced citrus and resinous notes
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in Glacier
PlumBlackberryWoodyCedar
Only in Stirling
HerbalCitusSpicyFloral
Property
| Property | Glacier | Stirling |
|---|---|---|
| Alpha acid | 3.3–9.7% | 6–12% |
| Beta acid | 5.4–10% | 4–6% |
| Co-humulone | 11–16% | 21–28% |
| Total oil | 0.5–1.5 mL | 1.3–1.9 mL |
| Myrcene | 35–45% | 44–48% |
| Humulene | 25–35% | 19–23% |
| Caryophyllene | 8–13% | 5–7% |
| Farnesene | 0–1% | 11–17% |
| Origin | United States | United States |
| Purpose | Dual purpose | Dual purpose |
Fuggle
Styrian Golding