Progress
Alpha acid
5–7.5%
Beta acid
1.8–2.7%
Total oil
0.5–0.8 mL
United Kingdom
Opal
Alpha acid
5–14%
Beta acid
3.5–5.5%
Total oil
0.8–1.3 mL
Germany
Key differences
When to pick Progress
- Aroma-focused - ideal for dry hopping
When to pick Opal
- Higher alpha acid - stronger bittering
- More essential oils - more intense aroma
- Higher beta acid - smoother, longer-lasting bitterness
- More myrcene - pronounced citrus and resinous notes
- Versatile - works for both bittering and aroma
Aroma profile and use
Shared aromas
Black currantFloral
Only in Progress
GrassyMintSweetHoneyFruity
Only in Opal
CitrusSpicyHerbalAnise
Property
| Property | Progress | Opal |
|---|---|---|
| Alpha acid | 5–7.5% | 5–14% |
| Beta acid | 1.8–2.7% | 3.5–5.5% |
| Co-humulone | 25–27% | 13–34% |
| Total oil | 0.5–0.8 mL | 0.8–1.3 mL |
| Myrcene | 25–30% | 20–45% |
| Humulene | 40–47% | 30–50% |
| Caryophyllene | 12–15% | 8–15% |
| Farnesene | 0–1% | 0–1% |
| Origin | United Kingdom | Germany |
| Purpose | Aroma | Dual purpose |
Golding
Styrian Golding