It takes two years for the perennial root of the marsh mallow plant to fully mature. Once the flowers and foliage wither in the second year, the root is ready for harvest. Marsh mallow root has been used for centuries to treat a variety of digestive ailments.
About this Author
Deborah Waltenburg has been a freelance writer since 2002. In addition to her work for Demand Studios, Waltenburg has written for websites such as Freelance Writerville and Constant Content, and has worked as a ghostwriter for travel/tourism websites and numerous financial/debt reduction blogs.