ClustervsGreen Bullet

Cluster and Green Bullet are popular dual purpose hops. Below you'll find a comparison of alpha and beta acids, aroma profiles and oil composition.

Cluster

Dual purpose

Alpha acid

5.5–9%

Beta acid

4.5–6%

Total oil

0.4–1 mL

United States

Green Bullet

Dual purpose

Alpha acid

11–15%

Beta acid

6.5–7%

Total oil

1–1.4 mL

New Zealand

Key differences

When to pick Cluster

No clear differences - both varieties have a similar profile. Choose based on availability or country of origin.

When to pick Green Bullet

  • Higher alpha acid - stronger bittering
  • More essential oils - more intense aroma
  • Higher beta acid - smoother, longer-lasting bitterness
  • Richer, more complex aroma profile

Aroma profile and use

Shared aromas

Floral

Only in Cluster

EarthySweet

Only in Green Bullet

PineBlack currantPlumResinDried

Property

PropertyClusterGreen Bullet
Alpha acid5.5–9%11–15%
Beta acid4.5–6%6.5–7%
Co-humulone33–43%38–43%
Total oil0.4–1 mL1–1.4 mL
Myrcene38–46%37–39%
Humulene15–20%28–29%
Caryophyllene8–10%9–10%
Farnesene0–1%0–1%
OriginUnited StatesNew Zealand
PurposeDual purposeDual purpose

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