Cluster
Alpha acid
5.5–9%
Beta acid
4.5–6%
Total oil
0.4–1 mL
United States
Sterling
Alpha acid
5.5–8.5%
Beta acid
4–6%
Total oil
1–2 mL
United States
Key differences
When to pick Cluster
- Versatile - works for both bittering and aroma
When to pick Sterling
- More essential oils - more intense aroma
- Aroma-focused - ideal for dry hopping
Aroma profile and use
Shared aromas
Floral
Only in Cluster
EarthySweet
Only in Sterling
NobleHerbalSpicy
Property
| Property | Cluster | Sterling |
|---|---|---|
| Alpha acid | 5.5–9% | 5.5–8.5% |
| Beta acid | 4.5–6% | 4–6% |
| Co-humulone | 33–43% | 22–28% |
| Total oil | 0.4–1 mL | 1–2 mL |
| Myrcene | 38–46% | 35–45% |
| Humulene | 15–20% | 16–18% |
| Caryophyllene | 8–10% | 5–8% |
| Farnesene | 0–1% | 15–19% |
| Origin | United States | United States |
| Purpose | Dual purpose | Aroma |