Progress
Alpha acid
5–7.5%
Beta acid
1.8–2.7%
Total oil
0.5–0.8 mL
United Kingdom
Solero
Alpha acid
9–11.2%
Beta acid
5–7%
Total oil
1.5–2 mL
Germany
Key differences
When to pick Progress
- Richer, more complex aroma profile
When to pick Solero
- Higher alpha acid - stronger bittering
- More essential oils - more intense aroma
- Higher beta acid - smoother, longer-lasting bitterness
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in Progress
GrassyMintSweetHoneyBlack currantFruityFloral
Only in Solero
TropicalMangoPassion fruit
Property
| Property | Progress | Solero |
|---|---|---|
| Alpha acid | 5–7.5% | 9–11.2% |
| Beta acid | 1.8–2.7% | 5–7% |
| Co-humulone | 25–27% | 30–45% |
| Total oil | 0.5–0.8 mL | 1.5–2 mL |
| Myrcene | 25–30% | - |
| Humulene | 40–47% | - |
| Caryophyllene | 12–15% | - |
| Farnesene | 0–1% | - |
| Origin | United Kingdom | Germany |
| Purpose | Aroma | Aroma |
Golding