Liberty
Alpha acid
3–6.5%
Beta acid
3–4%
Total oil
0.6–1.8 mL
United States
Polaris
Alpha acid
18–23%
Beta acid
4.5–6.5%
Total oil
4–5 mL
Germany
Key differences
When to pick Liberty
- Bittering workhorse - efficient in the mash
- Richer, more complex aroma profile
When to pick Polaris
- 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
- Versatile - works for both bittering and aroma
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in Liberty
NobleFloralHerbalSpicyDelicateCitrusLemon
Only in Polaris
MintMentholPineapple
Property
| Property | Liberty | Polaris |
|---|---|---|
| Alpha acid | 3–6.5% | 18–23% |
| Beta acid | 3–4% | 4.5–6.5% |
| Co-humulone | 22–30% | 22–29% |
| Total oil | 0.6–1.8 mL | 4–5 mL |
| Myrcene | 15–25% | 49–51% |
| Humulene | 35–45% | 20–35% |
| Caryophyllene | 10–15% | 8–13% |
| Farnesene | 0–1% | 0–1% |
| Origin | United States | Germany |
| Purpose | Bittering | Dual purpose |