How to improve the colour combinations in your borders

When your garden is in full bloom in summer, it's the perfect time to reassess your borders and spot any colour combinations that aren't working. Even at Longmeadow, mistakes can happen, such as rogue pastel-flowered gladioli in the Jewel Garden (which should have been the ruby-flowered variety 'Plum Tart'). In this clip from Gardeners' World, Monty Don shows you how to use a handy trick to find the perfect new home for any misplaced plants.