Hedges are a common feature in both the magical and non-magical landscapes of the Harry Potter series. They primarily function as fences or boundary lines, but their condition is often used as a narrative device to convey information about a location and its inhabitants. The most prominent example of a mundane hedge is at Number Four, Privet Drive, the home of the Dursleys. Their hedge is always perfectly and neatly trimmed, symbolizing their obsession with suburban normalcy, conformity, and control. Harry Potter is often forced to trim this hedge as a chore during his summer holidays. In contrast, other hedges reflect neglect or a different set of values. The hedge surrounding the derelict Riddle House is overgrown and unkempt, mirroring the decay and dark history of the property. The street of Spinner's End, where Severus Snape lived, is described as having scrubby, patchy hedges, contributing to the bleak and impoverished atmosphere of the area. The garden of the Lovegood family features wild, overgrown hedges containing unique plants like bushes of Dirigible Plums, reflecting the family's eccentric and unconventional nature.
While often a background detail, certain hedges play a significant role in the plot.