Emerald SpirevsWillamette
Emerald Spire and Willamette are popular dual purpose hops. Below you'll find a comparison of alpha and beta acids, aroma profiles and oil composition.
Emerald Spire
Alpha acid
8.6–13%
Beta acid
3.5–4.5%
Total oil
-
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 Emerald Spire
- Higher alpha acid - stronger bittering
- Richer, more complex aroma profile
When to pick Willamette
No clear differences - both varieties have a similar profile. Choose based on availability or country of origin.
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in Emerald Spire
PeachFruityWhiteGrapesWatermelonBubbleMelonHoneydew
Only in Willamette
CitrusIncenseElderberryCaramelCurryFloral
Property
| Property | Emerald Spire | Willamette |
|---|---|---|
| Alpha acid | 8.6–13% | 4–7.2% |
| Beta acid | 3.5–4.5% | 3–4.5% |
| Co-humulone | 38–39% | 28–35% |
| Total oil | - | 0.6–1.6 mL |
| Myrcene | 36–37% | 30–40% |
| Humulene | 10–11% | 20–27% |
| Caryophyllene | 7–8% | 7–8% |
| Farnesene | 0–1% | 5–6% |
| Origin | United States | United States |
| Purpose | Dual purpose | Dual purpose |