Harlequin
Alpha acid
9–12%
Beta acid
7–9%
Total oil
1–1.6 mL
UK
Ahtanum
Alpha acid
3.5–6.5%
Beta acid
4–6.5%
Total oil
0.5–1.7 mL
United States
Key differences
When to pick Harlequin
- 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
When to pick Ahtanum
- Aroma-focused - ideal for dry hopping
- Richer, more complex aroma profile
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in Harlequin
Passion fruitPeachPineapple
Only in Ahtanum
CitrusGrapefruitGeraniumPineEarthyFloralCedarLemon
Property
| Property | Harlequin | Ahtanum |
|---|---|---|
| Alpha acid | 9–12% | 3.5–6.5% |
| Beta acid | 7–9% | 4–6.5% |
| Co-humulone | 27–31% | 30–35% |
| Total oil | 1–1.6 mL | 0.5–1.7 mL |
| Myrcene | 59–61% | 45–55% |
| Humulene | 4–6% | 15–22% |
| Caryophyllene | - | 9–12% |
| Farnesene | 9–11% | 0–1% |
| Origin | UK | United States |
| Purpose | Dual purpose | Aroma |