Barth-Haas - Cluster

Description: "Cluster is the oldest variety grown in the U.S. The rootstock origin is uncertain. Until the late 1970's, Cluster was one of only a few varieties growing in the U.S. and was planted to most of the hop acreage. Alpha acids content is medium, aroma is strong and storage stability of the alpha acids is among the best in the world. The variety grows with good vigor and cone production. The choice of name may be connected with the way in which the flowers are arranged in clusters. The origin of the rootstock, however, is unknown."

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