Idaho GemvsPolaris

Idaho Gem and Polaris are popular dual purpose hops. Below you'll find a comparison of alpha and beta acids, aroma profiles and oil composition.

Idaho Gem

Dual purpose

Alpha acid

11–14%

Beta acid

5–7%

Total oil

1.3–2.3 mL

United States

Polaris

Dual purpose

Alpha acid

18–23%

Beta acid

4.5–6.5%

Total oil

4–5 mL

Germany

Key differences

When to pick Idaho Gem

  • Richer, more complex aroma profile

When to pick Polaris

  • Higher alpha acid - stronger bittering
  • More essential oils - more intense aroma

Aroma profile and use

Shared aromas

PineappleMint

Only in Idaho Gem

CherryCandiedHerbalSpicyCitrusStone fruitRedberryMojitoSweet

Only in Polaris

Menthol

Property

PropertyIdaho GemPolaris
Alpha acid11–14%18–23%
Beta acid5–7%4.5–6.5%
Co-humulone40–45%22–29%
Total oil1.3–2.3 mL4–5 mL
Myrcene-49–51%
Humulene-20–35%
Caryophyllene-8–13%
Farnesene-0–1%
OriginUnited StatesGermany
PurposeDual purposeDual purpose

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