Riwaka
Alpha acid
4.5–6.5%
Beta acid
4–5%
Total oil
0.8–1.5 mL
New Zealand
Stirling
Alpha acid
6–12%
Beta acid
4–6%
Total oil
1.3–1.9 mL
United States
Key differences
When to pick Riwaka
- More myrcene - pronounced citrus and resinous notes
- Aroma-focused - ideal for dry hopping
When to pick Stirling
- Higher alpha acid - stronger bittering
- More essential oils - more intense aroma
- Versatile - works for both bittering and aroma
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in Riwaka
TropicalPassion fruitGrapefruitCitrus
Only in Stirling
HerbalCitusSpicyFloral
Property
| Property | Riwaka | Stirling |
|---|---|---|
| Alpha acid | 4.5–6.5% | 6–12% |
| Beta acid | 4–5% | 4–6% |
| Co-humulone | 29–38% | 21–28% |
| Total oil | 0.8–1.5 mL | 1.3–1.9 mL |
| Myrcene | 67–70% | 44–48% |
| Humulene | 8–10% | 19–23% |
| Caryophyllene | 2–6% | 5–7% |
| Farnesene | 0–1% | 11–17% |
| Origin | New Zealand | United States |
| Purpose | Aroma | Dual purpose |