Emerald SpirevsProgress
Emerald Spire (dual purpose) and Progress (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
Progress
Alpha acid
5–7.5%
Beta acid
1.8–2.7%
Total oil
0.5–0.8 mL
United Kingdom
Key differences
When to pick Emerald Spire
- Higher alpha acid - stronger bittering
- Higher beta acid - smoother, longer-lasting bitterness
- More myrcene - pronounced citrus and resinous notes
- Versatile - works for both bittering and aroma
When to pick Progress
- Aroma-focused - ideal for dry hopping
Aroma profile and use
Shared aromas
Fruity
Only in Emerald Spire
PeachWhiteGrapesWatermelonBubbleMelonHoneydew
Only in Progress
GrassyMintSweetHoneyBlack currantFloral
Property
| Property | Emerald Spire | Progress |
|---|---|---|
| Alpha acid | 8.6–13% | 5–7.5% |
| Beta acid | 3.5–4.5% | 1.8–2.7% |
| Co-humulone | 38–39% | 25–27% |
| Total oil | - | 0.5–0.8 mL |
| Myrcene | 36–37% | 25–30% |
| Humulene | 10–11% | 40–47% |
| Caryophyllene | 7–8% | 12–15% |
| Farnesene | 0–1% | 0–1% |
| Origin | United States | United Kingdom |
| Purpose | Dual purpose | Aroma |