Wild West: America's Great Frontier

Jane Edmanson revives indoor orchids, Millie Ross visits a sky-high garden, Clarence Slockee meets volunteering native plant enthusiasts and Sophie Thomson explores a horticulturist's home plant collection.

As winter approaches, it is the last chance for field teams to obtain information before they leave behind a skeleton crew for the cold, dark winter.

With two weeks until Antarctica's Scott Base shuts down for the winter, an entire year's worth of supplies is due for arrival but only if a channel can be cut in the ice, and a volcano is presenting scientists with other challenges.