In August I made my way to a small private garden in Hummelo, a couple of hours outside of Amsterdam in the Netherlands. It was an inconspicuous place, with a sign so small that I drove by it twice before finding the entrance. It seemed a perfect reflection of its owner, the seventy-three-year-old Dutch designer Piet Oudolf, who maintains a shy humility despite being one of the most celebrated figures in the world of garden design.
