Southern TropicvsCluster

Southern Tropic (bittering) and Cluster (dual purpose) serve different purposes. Comparing acids, aromas and character helps pick the right hop.

Southern Tropic

Bittering

Alpha acid

12.6–18.1%

Beta acid

5–6.5%

Total oil

-

South Africa

Cluster

Dual purpose

Alpha acid

5.5–9%

Beta acid

4.5–6%

Total oil

0.4–1 mL

United States

Key differences

When to pick Southern Tropic

  • Higher alpha acid - stronger bittering
  • Bittering workhorse - efficient in the mash
  • Richer, more complex aroma profile

When to pick Cluster

  • 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 Southern Tropic

MelonTroicalGuavaButterscotchLemongrassCoconutPungentPineappleBubblegumCitrus

Only in Cluster

FloralEarthySweet

Property

PropertySouthern TropicCluster
Alpha acid12.6–18.1%5.5–9%
Beta acid5–6.5%4.5–6%
Co-humulone26–30%33–43%
Total oil-0.4–1 mL
Myrcene19–46%38–46%
Humulene14–40%15–20%
Caryophyllene6–14%8–10%
Farnesene8–11%0–1%
OriginSouth AfricaUnited States
PurposeBitteringDual purpose

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