ChallengervsSpalter Select

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

Challenger

Dual purpose

Alpha acid

6.5–9%

Beta acid

3–4.5%

Total oil

1–1.7 mL

United Kingdom

Spalter Select

Aroma

Alpha acid

3–6.5%

Beta acid

2.5–5%

Total oil

0.5–0.9 mL

Germany

Key differences

When to pick Challenger

  • 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

When to pick Spalter Select

  • Aroma-focused - ideal for dry hopping

Aroma profile and use

No shared aromas - the varieties have divergent profiles.

Only in Challenger

CedarGreenFruity

Only in Spalter Select

SpicyGrassy

Property

PropertyChallengerSpalter Select
Alpha acid6.5–9%3–6.5%
Beta acid3–4.5%2.5–5%
Co-humulone20–25%21–27%
Total oil1–1.7 mL0.5–0.9 mL
Myrcene30–42%20–40%
Humulene24–26%10–22%
Caryophyllene9–10%4–10%
Farnesene0–1%15–22%
OriginUnited KingdomGermany
PurposeDual purposeAroma

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