Mullein: safe to smoke dried and crumbled? Quit Smoking Inhaler Mullein Herbal Diffuser Pen, Cleanse Lungs With Thyme And Lung Reset Mullein Vape Review Australia Can I Smoke Mullein In A Vape Herbal Joints Mullein (pronounced mull in) is a tall, flowering plant that grows in many parts of the U.S. and Europe that has been used in herbal medicine since ancient times. People who have been