Let your homebrew sing with flavor and aroma. The Cascade Leaf Hops - 1 oz. (4100A) are a domestic variety with an average alpha of 8.0% to bring bold flavor to your brew. To ensure freshness, these hops are packaged in a nitrogen-purged foil pack.Flavorful These Cascade Leaf hops are a domestic variety with an average alpha of 8.0% to bring bold flavor to your brew.