Stirling
Alpha acid
6–12%
Beta acid
4–6%
Total oil
1.3–1.9 mL
United States
Belma
Alpha acid
8.5–12.1%
Beta acid
4–8%
Total oil
1–2.5 mL
United States
Key differences
When to pick Stirling
No clear differences - both varieties have a similar profile. Choose based on availability or country of origin.
When to pick Belma
- Higher alpha acid - stronger bittering
- Higher beta acid - smoother, longer-lasting bitterness
- More myrcene - pronounced citrus and resinous notes
- Richer, more complex aroma profile
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in Stirling
HerbalCitusSpicyFloral
Only in Belma
OrangeMelonStrawberryPineappleGrapefruitBerryCitrusTropical
Property
| Property | Stirling | Belma |
|---|---|---|
| Alpha acid | 6–12% | 8.5–12.1% |
| Beta acid | 4–6% | 4–8% |
| Co-humulone | 21–28% | - |
| Total oil | 1.3–1.9 mL | 1–2.5 mL |
| Myrcene | 44–48% | 65–68% |
| Humulene | 19–23% | - |
| Caryophyllene | 5–7% | - |
| Farnesene | 11–17% | - |
| Origin | United States | United States |
| Purpose | Dual purpose | Dual purpose |
Huell Melon
Pacific Gem