"Come and look at my lawn, it's ruined", the queen told Australian Prime Minister Scott Morrison, as quoted by a source close to him.
Trump paid a state visit to the United Kingdom in early June. The US president’s helicopters landed near the palace twice a day, leaving deep traces on the lawn.
The lawn is the essential element of an English landscape garden and the country has a long-standing tradition of managing lawns.
Trump's visit to London was very controversial, with tens of thousands of UK citizens coming out to protest against him.