Originally known as SuperAlpha, the variety was renamed to Dr Rudi in 2012. It was bred from New Zealand Smooth Cone and is largely grown in New Zealand. It was originally released in 1976.
Considered a bittering hop, Dr Rudi is now widely regarded as dual-use and features a grassy, piney, citrus character. It is also well known for its clean and crisp bittering despite its high cohumulone content. Works well in single-hopped beers.
|Also Known As||SuperAlpha, Super Alpha, Dr Rudi|
|Characteristics||Grass, pine and citrus flavors|
|Purpose||Bittering & Aroma|
|Alpha Acid Composition||10%-12%|
|Beta Acid Composition||7%-8.5%|
|Seasonal Maturity||Early to mid|
|Yield Amount||1940-1940 kg/hectare (1730-1730 lbs/acre)|
|Growth Rate||Moderate to high|
|Storability||Retains 60%-70% alpha acid after 6 months storage at 20ºC (68ºF)|
|Ease of Harvest||Difficult|
|Total Oil Composition||1.3-1.6 mL/100g|
|Myrcene Oil Composition||29%-48%|
|Humulene Oil Composition||22%-33%|
|Style Guide||Lager, India Pale Ale|
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