Wimbledon’s most iconic flowers under threat as summer heatwaves drive need for drought-friendly plants

“When I joined Wimbledon, we were planting thousands and thousands of petunias and geraniums, and all sorts of annual bedding plants – it was the ‘to do’ thing in the late 1990s and early 2000s – but we have completely changed that and petunias are the only ones we really use.”