Epimedium pinnatum Epimedium pinnatumCommon name(s): Barrenwort, Horny Goat Weed, Rowdy Lamb HerbBlooming time: springBlooming colors: yellowHeight: 15 to 25 cmOrigin: Iran, AzerbaijanHardiness zone (USDA): Z6 – up to -18 °CFamily: Berberidaceae