StirlingvsWillamette
Stirling and Willamette are popular dual purpose hops. Below you'll find a comparison of alpha and beta acids, aroma profiles and oil composition.
Stirling
Alpha acid
6–12%
Beta acid
4–6%
Total oil
1.3–1.9 mL
United States
Willamette
Alpha acid
4–7.2%
Beta acid
3–4.5%
Total oil
0.6–1.6 mL
United States
Key differences
When to pick Stirling
- Higher alpha acid - stronger bittering
- More essential oils - more intense aroma
- Higher beta acid - smoother, longer-lasting bitterness
- More myrcene - pronounced citrus and resinous notes
When to pick Willamette
- Richer, more complex aroma profile
Aroma profile and use
Shared aromas
Floral
Only in Stirling
HerbalCitusSpicy
Only in Willamette
CitrusIncenseElderberryCaramelCurry
Property
| Property | Stirling | Willamette |
|---|---|---|
| Alpha acid | 6–12% | 4–7.2% |
| Beta acid | 4–6% | 3–4.5% |
| Co-humulone | 21–28% | 28–35% |
| Total oil | 1.3–1.9 mL | 0.6–1.6 mL |
| Myrcene | 44–48% | 30–40% |
| Humulene | 19–23% | 20–27% |
| Caryophyllene | 5–7% | 7–8% |
| Farnesene | 11–17% | 5–6% |
| Origin | United States | United States |
| Purpose | Dual purpose | Dual purpose |