Emerald SpirevsUltra
Emerald Spire (dual purpose) and Ultra (aroma) serve different purposes. Comparing acids, aromas and character helps pick the right hop.
Emerald Spire
Alpha acid
8.6–13%
Beta acid
3.5–4.5%
Total oil
-
United States
Ultra
Alpha acid
3–9.7%
Beta acid
3.6–5%
Total oil
0.8–1.5 mL
United States
Key differences
When to pick Emerald Spire
- Higher alpha acid - stronger bittering
- Versatile - works for both bittering and aroma
- Richer, more complex aroma profile
When to pick Ultra
- More myrcene - pronounced citrus and resinous notes
- Aroma-focused - ideal for dry hopping
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in Emerald Spire
PeachFruityWhiteGrapesWatermelonBubbleMelonHoneydew
Only in Ultra
MildPleasantFloral
Property
| Property | Emerald Spire | Ultra |
|---|---|---|
| Alpha acid | 8.6–13% | 3–9.7% |
| Beta acid | 3.5–4.5% | 3.6–5% |
| Co-humulone | 38–39% | 25–35% |
| Total oil | - | 0.8–1.5 mL |
| Myrcene | 36–37% | 50–60% |
| Humulene | 10–11% | 10–15% |
| Caryophyllene | 7–8% | 6–9% |
| Farnesene | 0–1% | 0–1% |
| Origin | United States | United States |
| Purpose | Dual purpose | Aroma |
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