Stirling
Alpha acid
6–12%
Beta acid
4–6%
Total oil
1.3–1.9 mL
United States
Calypso
Alpha acid
12–16%
Beta acid
5–6%
Total oil
1.5–2.5 mL
United States
Key differences
When to pick Stirling
- More myrcene - pronounced citrus and resinous notes
When to pick Calypso
- Higher alpha acid - stronger bittering
- More essential oils - more intense aroma
- Richer, more complex aroma profile
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in Stirling
HerbalCitusSpicyFloral
Only in Calypso
FruityApplePearStone fruitLimeCitrusPeach
Property
| Property | Stirling | Calypso |
|---|---|---|
| Alpha acid | 6–12% | 12–16% |
| Beta acid | 4–6% | 5–6% |
| Co-humulone | 21–28% | 38–42% |
| Total oil | 1.3–1.9 mL | 1.5–2.5 mL |
| Myrcene | 44–48% | 30–45% |
| Humulene | 19–23% | 20–35% |
| Caryophyllene | 5–7% | 9–15% |
| Farnesene | 11–17% | 0–1% |
| Origin | United States | United States |
| Purpose | Dual purpose | Dual purpose |
Huell Melon