In honor of the 4th of July, we will be doing a hop profile on the Liberty Hop
American 1983 cross between Hallertauer Mittlefrüh (USDA 21397) and downy mildew resistant male (USDA 64035M). Spicy (cinnamon), resiny, and slightly sweet. It is an early ripening variety and similar in technical data and aroma to Hallertau Mittelfrueh.
Cross between colchicines-induced tetraploid female hop cultivar Hallertauer Mittlefruh and downy mildew resistant male.
Early to mid-season
1100 – 1900 kg./ha. or 1000 – 1700 lb./ac.
Columnar and quite vigorous
Moderately resistant to downy mildew. No Verticillium wilt symptoms observed.
Fair to good
Smallish plump, dense cones
Moderate amounts, dark yellow in color
Mild with a slightly spicy character
3.0 – 5.0% w/w
3.0 – 4.0% w/w
24 – 30% of alpha acids
35 – 55% alpha acids remaining after 6 months storage at 20º C
0.6 – 1.2 mls/100 grams
20 – 40% of whole oil
35 – 40% of whole oil
9 – 12% of whole oil
<1% of whole oil
General Trade Perception
Aroma variety with close similarities to imported German aroma varieties, especially Hallertau.
US or German Hallertau, German Tradition, Mt Hood, possibly Spalt
Typical Beer Styles
Lager, Pilsner, Bock, US Wheat, Kölsch
Released in the US in 1991. Of the four triploid Hallertau varieties released, Liberty most closely resembles the Hallertau cultivar. resembles the Hallertau cultivar