Summer
Alpha acid
5.6–6.4%
Beta acid
4.8–6.1%
Total oil
1.4–2 mL
Australia
Stirling
Alpha acid
6–12%
Beta acid
4–6%
Total oil
1.3–1.9 mL
United States
Key differences
When to pick Summer
- Aroma-focused - ideal for dry hopping
- Richer, more complex aroma profile
When to pick Stirling
- Higher alpha acid - stronger bittering
- More myrcene - pronounced citrus and resinous notes
- Versatile - works for both bittering and aroma
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in Summer
ApricotMelonGrassyCitrusStone fruitPassion fruitPeach
Only in Stirling
HerbalCitusSpicyFloral
Property
| Property | Summer | Stirling |
|---|---|---|
| Alpha acid | 5.6–6.4% | 6–12% |
| Beta acid | 4.8–6.1% | 4–6% |
| Co-humulone | 20–25% | 21–28% |
| Total oil | 1.4–2 mL | 1.3–1.9 mL |
| Myrcene | 29–38% | 44–48% |
| Humulene | 28–50% | 19–23% |
| Caryophyllene | 8–11% | 5–7% |
| Farnesene | 0–1% | 11–17% |
| Origin | Australia | United States |
| Purpose | Aroma | Dual purpose |