Progress
Alpha acid
5–7.5%
Beta acid
1.8–2.7%
Total oil
0.5–0.8 mL
United Kingdom
Liberty
Alpha acid
3–6.5%
Beta acid
3–4%
Total oil
0.6–1.8 mL
United States
Key differences
When to pick Progress
- Higher alpha acid - stronger bittering
- More myrcene - pronounced citrus and resinous notes
- Aroma-focused - ideal for dry hopping
When to pick Liberty
- More essential oils - more intense aroma
- Higher beta acid - smoother, longer-lasting bitterness
- Bittering workhorse - efficient in the mash
Aroma profile and use
Shared aromas
Floral
Only in Progress
GrassyMintSweetHoneyBlack currantFruity
Only in Liberty
NobleHerbalSpicyDelicateCitrusLemon
Property
| Property | Progress | Liberty |
|---|---|---|
| Alpha acid | 5–7.5% | 3–6.5% |
| Beta acid | 1.8–2.7% | 3–4% |
| Co-humulone | 25–27% | 22–30% |
| Total oil | 0.5–0.8 mL | 0.6–1.8 mL |
| Myrcene | 25–30% | 15–25% |
| Humulene | 40–47% | 35–45% |
| Caryophyllene | 12–15% | 10–15% |
| Farnesene | 0–1% | 0–1% |
| Origin | United Kingdom | United States |
| Purpose | Aroma | Bittering |