The next day, I phoned my friend Tim Callis, a garden designer on Cape Cod, Mass., who has one of the hardest and most counterintuitive jobs in America. “There are only a few days left to save gardens across the country,” I reminded him, nearly whining. “If that was the only thing you had in August, it would still be beautiful,” he said. ‘Honorine Jobert’ (and many varieties of salvia) will be reliably perennial where winter temperatures don’t drop below -20 degrees Fahrenheit. “August is when they look really beautiful and are starting to turn color, a reminder of the change in season that’s ahead,” she said.

Source: Wall Street Journal July 16, 2019 16:40 UTC