Massive growth, this was huge. It was along the edges of the botanical gardens, and I expect it had escaped from cultivation. Nagai bot.g., Osaka, Japan. Wild. 2001-05-09.Vinca major L. Engl.: bigleaf periwinkle, greater periwinkle. Deu.: Grosses Immergrün. Suom.: isotalvio. Sven.: stor vintergröna. Ital.: pervincaPersonal use? Non-commercial use? Commercial use? Read the Fine Print. Comments? Tell me.