Emerald SpirevsCrystal

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

Emerald Spire

Dual purpose

Alpha acid

8.6–13%

Beta acid

3.5–4.5%

Total oil

-

United States

Crystal

Aroma

Alpha acid

2.8–6%

Beta acid

4.5–8.5%

Total oil

0.8–2.3 mL

United States

Key differences

When to pick Emerald Spire

  • Higher alpha acid - stronger bittering
  • Versatile - works for both bittering and aroma

When to pick Crystal

  • Higher beta acid - smoother, longer-lasting bitterness
  • More myrcene - pronounced citrus and resinous notes
  • Aroma-focused - ideal for dry hopping

Aroma profile and use

Shared aromas

Fruity

Only in Emerald Spire

PeachWhiteGrapesWatermelonBubbleMelonHoneydew

Only in Crystal

WoodyFloralGreenSpicyCinnamonNutmegBlack currant

Property

PropertyEmerald SpireCrystal
Alpha acid8.6–13%2.8–6%
Beta acid3.5–4.5%4.5–8.5%
Co-humulone38–39%20–26%
Total oil-0.8–2.3 mL
Myrcene36–37%30–55%
Humulene10–11%20–30%
Caryophyllene7–8%5–12%
Farnesene0–1%0–1%
OriginUnited StatesUnited States
PurposeDual purposeAroma

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