Harvesting Herbs We picked fresh herbs from the Herb Garden to use to make Teas We harvested herbs from the Herb Garden and dried them to store and use later. These are Fennel seeds and Marshmallow roots. This is Elecampane or Inula magnifica roots. Tea from this is good for coughs & sore throats These Althaea (Marshmallow) roots need to be chopped up finely as soon as they are dug so they are moist enough to chop. Once dried, they are too hard to cut into.