Pedigree Raised in 1919 in England from a wild Manitoban female crossed with an English male hop Quality Luplin Abundant and dark yellow in color Aroma Intense, black current aroma Alpha Acids 6.5 - 9.0% w/w Beta Acids 5.0 - 6.0% w/w Co-Humulone 35 - 40% of alpha acids General Trade Perception A bittering hop with a pronounced American hop aroma Possible Substitutions Columbus, Northern Brewer, German Brewer's Gold Beer Styles IPA, ESB, Stout Other Information With Brewer's Gold, Bullion is one of the earliest high alpha hops in the world. Now largely superseded by bitter types with less characteristic aromas. Less than 100 acres now grown in the U.S.. There are many recipes using this hop found in older brewing publications. As a result, get many requests to use this hop. Many brewers believe this hop no longer is grown, but this is not the case. Packaged in a resealable ziploc, vacuum packed, mylar bag