The garden of designer Michael Schultz and his partner Will Goodman is a study in contrasts: classical and modern, complex and simple, goofy and elegant, inviting and mysterious, and certainly, both wild and restrained. Since Schultz is a connoisseur and aficionado of interesting plants, as well as a designer, it took me nearly two hours to make my way through the garden’s myriad "rooms" or sections, all fit onto three adjoining city lots. I’ll let the...