Stirling
Alpha acid
6–12%
Beta acid
4–6%
Total oil
1.3–1.9 mL
United States
Crystal
Alpha acid
2.8–6%
Beta acid
4.5–8.5%
Total oil
0.8–2.3 mL
United States
Key differences
When to pick Stirling
- Higher alpha acid - stronger bittering
- Versatile - works for both bittering and aroma
When to pick Crystal
- Higher beta acid - smoother, longer-lasting bitterness
- Aroma-focused - ideal for dry hopping
- Richer, more complex aroma profile
Aroma profile and use
Shared aromas
SpicyFloral
Only in Stirling
HerbalCitus
Only in Crystal
WoodyGreenFruityCinnamonNutmegBlack currant
Property
| Property | Stirling | Crystal |
|---|---|---|
| Alpha acid | 6–12% | 2.8–6% |
| Beta acid | 4–6% | 4.5–8.5% |
| Co-humulone | 21–28% | 20–26% |
| Total oil | 1.3–1.9 mL | 0.8–2.3 mL |
| Myrcene | 44–48% | 30–55% |
| Humulene | 19–23% | 20–30% |
| Caryophyllene | 5–7% | 5–12% |
| Farnesene | 11–17% | 0–1% |
| Origin | United States | United States |
| Purpose | Dual purpose | Aroma |
Hersbrucker
Strisselspalt