Most seasoned gardeners have heard about gravel gardening (or dry gardening), but chances are they haven’t tried it yet. A gorgeous new book, The Gravel Garden, aims to change that. Gravel gardening, frankly, sounds a little weird, if not counterintuitive. You scrape away the topsoil, cover the earth with a thick layer of gravel, and plant right into the rocks. Then, after watering for establishment, you cease irrigating or fertilizing altogether.