Rubin Hops

Dual: Aroma and BitteringAlpha 9.0 - 14.0%Czechia

Rubin is a robust Czech hop that represents a successful marriage of high-alpha efficiency and traditional "Noble" character. Registered in 2007 by the Žatec Hop Research Institute, it was specifically bred from a lineage including Saaz and Northern Brewer to meet the needs of modern brewing without sacrificing aromatic quality. Its name, meaning "Ruby," refers to the striking reddish hue of its bines, a characteristic visual marker in the hop gardens of Bohemia. While technically classified for its bittering potential, Rubin is increasingly recognized as a versatile dual-purpose variety, offering a cleaner and more sophisticated profile than many traditional high-alpha cultivars.

The sensory profile of Rubin is defined by a firm, assertive bitterness complemented by a ruggedly elegant spicy character. It leads with a primary, "continental" bouquet of earthy spice and sun-dried wood, followed by subtle secondary notes of wild herbs and a hint of dark tea. As the profile develops, brewers will find a "wilder" and more intense version of the classic Saaz spiciness, providing a bitterness that is substantial yet refined. Because of its complex oil composition and Saaz-influenced genome, Rubin delivers a long, pleasant finish that integrates perfectly into heavy-bodied lagers and malt-forward ales, making it the definitive choice for a high-performance base with a genuine Bohemian soul.

Substitution Tip

If you can't find Rubin, the best alternatives are Agnus, Galena, Northern Brewer, or Premiant.

At A Glance

ProfileSpicy, Earthy, Sun-Dried Wood, Wild Herbs, Dark Tea
PurposeDual: Aroma and Bittering
Alpha Acid9.0 - 14.0%
SubstitutesAgnus, Galena, Northern Brewer, Premiant
Pairs withAgnus (for a massive, Saaz (to soften the bitterness with noble florals), Sládek (to add a fruity lift), traditional bittering punch)
Beer StylesBohemian Pilsner, Pale Lager, Baltic Porter, Stout, English Bitter

General Information

Country
Czechia
Storage Stability
Good

Brewing Chemistry (Acids & Oils)

Alpha Acid
9.0 - 14.0%
Beta Acid
3.5 - 6.0%
Cohumulone
25.0 - 33.0%
Total Oil
1.0 - 2.5 ml/100g
Myrcene
30.0 - 45.0%
Humulene
15.0 - 25.0%
Caryophyllene
7.0 - 10.0%
Farnesene
< 1.0%.
Linalool
0.4 - 0.7%
Methyl 4-Decenoate
0.9 - 1.6%
Total Polyphenols
2.5 - 3.0%
Xanthohumol
0.5 - 0.8%

Growth & Cultivation

Yield
1,800 - 2,400 lbs/acre
Maturity
Mid to late season
Susceptible
Downy Mildew (especially during wet season)
Growth Rate
High
Cones
Medium-sized, dense, and elongated with a high concentration of lupulin
Ease of Harvest
Good; the bines are structurally sound and well-suited for mechanical picking
Sex
Female
Leaf Color
Dark Green
Side Arm Length
25" - 35"

Discovery Tags

Origin

Last Updated
  • 2026-04-07 01:45:59