Rhizomes are only available for order in the USA. Please check to make sure your State does not have any local restrictions.Alpha Acid : 13 17% Vigorous but susceptible to mildew diseases. American aromatic high-alpha hop with noticeable bitterness. Similar, if not identical, to Columbus/Tomahawk. Hops are hardy in U.S. Department of Agriculture plant hardiness zones 3 through 8.