One of the most-loved plants of all time—the peony—stars in the cover story. A garden standard for generations, it’s easy to grow and adds a cheerful burst of color to beds. Or perhaps you’d rather build a rain garden. We tell you how to create these saucer-shaped, eco-friendly solutions to water drain-off. Want to start a little smaller? In just a couple of hours, you can make a pretty heart-shaped topiary to put on your deck or patio or give as a gift.