- Marshmallow is known for its medicinal benefits which include soothing the gastrointestinal tract and the throat with many culinary uses.
4 feet. Attractive busy upright plant produces white/rose flowers. This is the plant from which we get the name marshmallow, the ancient version of which was made from the starchy root. An easy to grow plant related to hollyhocks it has always had many medicinal and cosmetic uses.