Monty Don makes additions to his spring garden, offers advice on how to dry and preserve herbs for winter and plants up a container to give interest for the next six months. Carol Klein celebrates one of the plant successes of an extraordinary summer - the Canna, while Frances Tophill tackles a viewer's garden and suggests plants that will perform throughout the winter. Plus, Toby Buckland visits a garden in Devon with Japanese influences and Nick Bailey visits a garden where nature has taken over and produced the conditions where a proliferation of different types mushrooms are thriving.