Monty Don's summer gardening advice with one task before going on holiday

The UK has been in the grip of a seemingly never-ending heatwave for a huge chunk of the summer, leaving our gardens rain-starved and grass, plants, trees and flowers already looking less than their best

The UK has been in the grip of a seemingly never-ending heatwave for a huge chunk of the summer, leaving our gardens rain-starved and grass, plants, trees and flowers already looking less than their best