Emerald SpirevsRelax
Emerald Spire (dual purpose) and Relax (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
Relax
Alpha acid
0.3–4%
Beta acid
10–15%
Total oil
1–1.3 mL
Germany
Key differences
When to pick Emerald Spire
- Higher alpha acid - stronger bittering
- More myrcene - pronounced citrus and resinous notes
- Versatile - works for both bittering and aroma
When to pick Relax
- Higher beta acid - smoother, longer-lasting bitterness
- Aroma-focused - ideal for dry hopping
Aroma profile and use
Shared aromas
MelonHoneydew
Only in Emerald Spire
PeachFruityWhiteGrapesWatermelonBubble
Only in Relax
CognacLycheeLavenderLeatherHibiscusLemongrass
Property
| Property | Emerald Spire | Relax |
|---|---|---|
| Alpha acid | 8.6–13% | 0.3–4% |
| Beta acid | 3.5–4.5% | 10–15% |
| Co-humulone | 38–39% | - |
| Total oil | - | 1–1.3 mL |
| Myrcene | 36–37% | 17–30% |
| Humulene | 10–11% | - |
| Caryophyllene | 7–8% | - |
| Farnesene | 0–1% | - |
| Origin | United States | Germany |
| Purpose | Dual purpose | Aroma |