Emerald SpirevsSterling
Emerald Spire (dual purpose) and Sterling (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
Sterling
Alpha acid
5.5–8.5%
Beta acid
4–6%
Total oil
1–2 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 Sterling
- Higher beta acid - smoother, longer-lasting bitterness
- 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 Sterling
NobleHerbalSpicyFloral
Property
| Property | Emerald Spire | Sterling |
|---|---|---|
| Alpha acid | 8.6–13% | 5.5–8.5% |
| Beta acid | 3.5–4.5% | 4–6% |
| Co-humulone | 38–39% | 22–28% |
| Total oil | - | 1–2 mL |
| Myrcene | 36–37% | 35–45% |
| Humulene | 10–11% | 16–18% |
| Caryophyllene | 7–8% | 5–8% |
| Farnesene | 0–1% | 15–19% |
| Origin | United States | United States |
| Purpose | Dual purpose | Aroma |