I recently bought a house in a quiet neighborhood. It was a fixer-upper, but the bones were good, and the yard—while a bit overgrown with wildflowers and clover—was exactly how I liked it: natural.

One afternoon, I was startled by the roar of a small engine. I looked out the window to see my neighbor’s 13-year-old son, let’s call him Leo, methodically hacking away at my lawn. I went outside and signaled for him to stop.