The last flowers with tiny (for a petasites) young leaves. Helsinki bot.g. (Kaisan.), Finland. Planted. 2005-05-10.Petasites albus (L.) Gaertn. Engl.: white butterbur. Deu.: Weisse Pestwurz. Sven.: vitskråpPersonal use? Non-commercial use? Commercial use? Read the Fine Print. Comments? Tell me.