Spalt
Alpha acid
2.5–5.7%
Beta acid
3–5%
Total oil
0.5–0.9 mL
Germany
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 Spalt
No clear differences - both varieties have a similar profile. Choose based on availability or country of origin.
When to pick Summer
- Higher alpha acid - stronger bittering
- More essential oils - more intense aroma
- Higher beta acid - smoother, longer-lasting bitterness
- More myrcene - pronounced citrus and resinous notes
- Richer, more complex aroma profile
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in Spalt
NobleEarthyHerbalFloral
Only in Summer
ApricotMelonGrassyCitrusStone fruitPassion fruitPeach
Property
| Property | Spalt | Summer |
|---|---|---|
| Alpha acid | 2.5–5.7% | 5.6–6.4% |
| Beta acid | 3–5% | 4.8–6.1% |
| Co-humulone | 22–29% | 20–25% |
| Total oil | 0.5–0.9 mL | 1.4–2 mL |
| Myrcene | 20–35% | 29–38% |
| Humulene | 20–30% | 28–50% |
| Caryophyllene | 8–13% | 8–11% |
| Farnesene | 12–18% | 0–1% |
| Origin | Germany | Australia |
| Purpose | Aroma | Aroma |
Liberty