The ‘beer’ herb has been used in the brewing of beer since the early Medieval period. It is the female plant that is desirable for beer making. Hops grows as a vine up to to 7m/23ft.
(Humulus lupulus) These are the classic beer making hops used by European and North American brewers. The bitterness is rated by the alpha acid content the higher the alpha acid, the more bitter the hop. All plants are female.