At York Gate in Leeds, Adam Frost, Rachel de Thame and Frances Tophill celebrate a garden for all seasons, and tackle seasonal jobs for September. In London, cameras follow a head gardener who fell in love with horticulture at a young age, while plantsman Jamie Butterworth visits the magnificent walled garden at Scampston Hall.

It's apple harvest time, and Monty shares tips on what to do with windfalls.