Cluster
Alpha acid
5.5–9%
Beta acid
4.5–6%
Total oil
0.4–1 mL
United States
Summer
Alpha acid
5.6–6.4%
Beta acid
4.8–6.1%
Total oil
1.4–2 mL
Australia
Key differences
When to pick Cluster
- Higher alpha acid - stronger bittering
- More myrcene - pronounced citrus and resinous notes
- Versatile - works for both bittering and aroma
When to pick Summer
- More essential oils - more intense aroma
- 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 Cluster
FloralEarthySweet
Only in Summer
ApricotMelonGrassyCitrusStone fruitPassion fruitPeach
Property
| Property | Cluster | Summer |
|---|---|---|
| Alpha acid | 5.5–9% | 5.6–6.4% |
| Beta acid | 4.5–6% | 4.8–6.1% |
| Co-humulone | 33–43% | 20–25% |
| Total oil | 0.4–1 mL | 1.4–2 mL |
| Myrcene | 38–46% | 29–38% |
| Humulene | 15–20% | 28–50% |
| Caryophyllene | 8–10% | 8–11% |
| Farnesene | 0–1% | 0–1% |
| Origin | United States | Australia |
| Purpose | Dual purpose | Aroma |