Crystal
Alpha acid
2.8–6%
Beta acid
4.5–8.5%
Total oil
0.8–2.3 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 Crystal
- Higher beta acid - smoother, longer-lasting bitterness
- More myrcene - pronounced citrus and resinous notes
When to pick Summer
- Higher alpha acid - stronger bittering
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in Crystal
WoodyFloralGreenFruitySpicyCinnamonNutmegBlack currant
Only in Summer
ApricotMelonGrassyCitrusStone fruitPassion fruitPeach
Property
| Property | Crystal | Summer |
|---|---|---|
| Alpha acid | 2.8–6% | 5.6–6.4% |
| Beta acid | 4.5–8.5% | 4.8–6.1% |
| Co-humulone | 20–26% | 20–25% |
| Total oil | 0.8–2.3 mL | 1.4–2 mL |
| Myrcene | 30–55% | 29–38% |
| Humulene | 20–30% | 28–50% |
| Caryophyllene | 5–12% | 8–11% |
| Farnesene | 0–1% | 0–1% |
| Origin | United States | Australia |
| Purpose | Aroma | Aroma |
Hersbrucker