Correct height to cut lawns in summer to prevent 'roots being pulled up' by your mower

In summer, Britons may need to mow their lawns more frequently as grass starts to grow more rapidly. However, when mowing their lawns in summer, gardeners need to make sure they do not cut their grass too short. Now, a lawn expert has shared exclusively with Express.co.uk the correct height to mow lawns in summer to avoid "roots being pulled up" by mowers.