Julia Bradbury and Jules Hudson head to Kent, the county famed as the Garden of England. Julia takes part in the annual hop harvest while Jules meets a family putting British apples back on the map.
John Craven investigates whether marine conservation zones can bring sea beds back to life. Plus plant expert James Wong goes to extreme lengths to survey some of our most ancient trees. Down on the farm, Adam Henson is working day and night to bring in the barley.