Progress
Alpha acid
5–7.5%
Beta acid
1.8–2.7%
Total oil
0.5–0.8 mL
United Kingdom
Wai-iti
Alpha acid
2.5–3.5%
Beta acid
4.5–5.5%
Total oil
1.4–1.8 mL
New Zealand
Key differences
When to pick Progress
- Higher alpha acid - stronger bittering
- More myrcene - pronounced citrus and resinous notes
When to pick Wai-iti
- 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 Wai-iti
Stone fruitPeachApricotCitrusLimeMandarinSpicy
Property
| Property | Progress | Wai-iti |
|---|---|---|
| Alpha acid | 5–7.5% | 2.5–3.5% |
| Beta acid | 1.8–2.7% | 4.5–5.5% |
| Co-humulone | 25–27% | 22–24% |
| Total oil | 0.5–0.8 mL | 1.4–1.8 mL |
| Myrcene | 25–30% | 2–4% |
| Humulene | 40–47% | 27–29% |
| Caryophyllene | 12–15% | 8–10% |
| Farnesene | 0–1% | 12–14% |
| Origin | United Kingdom | New Zealand |
| Purpose | Aroma | Aroma |
Golding