Progress
Alpha acid
5–7.5%
Beta acid
1.8–2.7%
Total oil
0.5–0.8 mL
United Kingdom
Zythos
Alpha acid
10–12.5%
Beta acid
4.7–6.2%
Total oil
0.7–1.2 mL
United States
Key differences
When to pick Progress
- Aroma-focused - ideal for dry hopping
When to pick Zythos
- 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
Aroma profile and use
Shared aromas
Floral
Only in Progress
GrassyMintSweetHoneyBlack currantFruity
Only in Zythos
TangerineCitrusPineGrapefruitTropical
Property
| Property | Progress | Zythos |
|---|---|---|
| Alpha acid | 5–7.5% | 10–12.5% |
| Beta acid | 1.8–2.7% | 4.7–6.2% |
| Co-humulone | 25–27% | 28–31% |
| Total oil | 0.5–0.8 mL | 0.7–1.2 mL |
| Myrcene | 25–30% | 30–50% |
| Humulene | 40–47% | 14–23% |
| Caryophyllene | 12–15% | 7–10% |
| Farnesene | 0–1% | 1–3% |
| Origin | United Kingdom | United States |
| Purpose | Aroma | Dual purpose |