QuestionsHow to growFlowersBorder Perennial FlowersPlant Identification. 0 Vote Up Vote Down Helen Grogan asked 14 years ago Tall poker like purple flower with a yellow ring around the top(within the purple). Dark green low set leaves which are very rough to the touch. 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 7 years ago Possibly the purple mullein, Verbascum phoeniceum.