StirlingvsYellow Sub
Stirling (dual purpose) and Yellow Sub (aroma) serve different purposes. Comparing acids, aromas and character helps pick the right hop.
Stirling
Alpha acid
6–12%
Beta acid
4–6%
Total oil
1.3–1.9 mL
United States
Yellow Sub
Alpha acid
6.2–7.2%
Beta acid
-
Total oil
-
Germany
Key differences
When to pick Stirling
- Higher alpha acid - stronger bittering
- Versatile - works for both bittering and aroma
When to pick Yellow Sub
- Aroma-focused - ideal for dry hopping
- Richer, more complex aroma profile
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in Stirling
HerbalCitusSpicyFloral
Only in Yellow Sub
SweetCitrusRedApricotOrangeBlackberry
Property
| Property | Stirling | Yellow Sub |
|---|---|---|
| Alpha acid | 6–12% | 6.2–7.2% |
| Beta acid | 4–6% | - |
| Co-humulone | 21–28% | - |
| Total oil | 1.3–1.9 mL | - |
| Myrcene | 44–48% | - |
| Humulene | 19–23% | - |
| Caryophyllene | 5–7% | - |
| Farnesene | 11–17% | - |
| Origin | United States | Germany |
| Purpose | Dual purpose | Aroma |