The White House New Lawn Post-RNC Costs $80k – Fixing Muddy Aftermath – President Trump not only broke political precedent by holding the Republican National Convention at The White House … he also ran up a fat landscaping bill by damaging the grounds. The South Lawn and iconic Rose Garden were getting a makeover Tuesday, almost 2 weeks after the RNC wrapped up there, reportedly leaving the grounds a muddy mess. And, the new landscaping’s gonna cost a cool $79,675 … TMZ has learned.