CentennialvsHelga

Centennial (dual purpose) and Helga (aroma) serve different purposes. Comparing acids, aromas and character helps pick the right hop.

Centennial

Dual purpose

Alpha acid

7–12%

Beta acid

3.5–5.5%

Total oil

1–3 mL

United States

Helga

Aroma

Alpha acid

5.4–7.3%

Beta acid

5–7%

Total oil

0.6–1 mL

Australia

Key differences

When to pick Centennial

  • Higher alpha acid - stronger bittering
  • More essential oils - more intense aroma
  • More myrcene - pronounced citrus and resinous notes
  • Versatile - works for both bittering and aroma
  • Richer, more complex aroma profile

When to pick Helga

  • Higher beta acid - smoother, longer-lasting bitterness
  • Aroma-focused - ideal for dry hopping

Aroma profile and use

No shared aromas - the varieties have divergent profiles.

Only in Centennial

PineCitrusFloralGrapefruitTangerine

Only in Helga

Noble

Property

PropertyCentennialHelga
Alpha acid7–12%5.4–7.3%
Beta acid3.5–5.5%5–7%
Co-humulone23–30%20–23%
Total oil1–3 mL0.6–1 mL
Myrcene55–65%1–13%
Humulene10–20%35–55%
Caryophyllene5–7%10–45%
Farnesene0–1%0–1%
OriginUnited StatesAustralia
PurposeDual purposeAroma

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