As A Medicinal Herb – Medicinal herbs are often herbs that you might have growing in your lawn or pull from the garden as weeds. A weed is simply a plant that you don’t know what to do with. Mullein falls into this category quite often, due to it’s unusual look and love of growing in abandoned areas.For those in the know, mullein is very useful! the flowers and leaves all have a place in the home medicine chest, for it’s gentle but effective nature. If you are lucky enough to have mullein growing nearby, look for some of the simple ways you can bring it into your home. Your family will thank you!