Gardeners' World : Season 47 Episode 22

As August draws to a close, Monty Don turns his attention to his ornamental grass borders. They are just coming into their prime but are in need of some late summer colour. Carol Klein travels to Cheshire to meet a man who is on a mission to find the best performing heleniums for British gardens. Plus Joe Swift is treated to a Jamaican feast when he visits Moor Green allotments in Birmingham.