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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.
If you can't find Rubin, the best alternatives are Agnus, Galena, Northern Brewer, or Premiant.
At A Glance
| Profile | Spicy, Earthy, Sun-Dried Wood, Wild Herbs, Dark Tea |
|---|---|
| Purpose | Dual: Aroma and Bittering |
| Alpha Acid | 9.0 - 14.0% |
| Substitutes | Agnus, Galena, Northern Brewer, Premiant |
| Pairs with | Agnus (for a massive, Saaz (to soften the bitterness with noble florals), Sládek (to add a fruity lift), traditional bittering punch) |
| Beer Styles | Bohemian 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" |
- 2026-04-07 01:45:59