Diana Koehm

Diana Koehm is the assistant editor at Fine Gardening magazine.

  • how to divide perennials
    How-To

    Dividing Perennials Step-by-Step

    Dividing perennials is one of the easiest and cheapest ways to get more plants. Many perennials can be divided, but how and when should you do it? Here are three…

  • best peonies
    Design

    The Best Yellow, White, and Pink Peonies

    Peonies are among people’s favorite late spring plants for a reason. Their textured, lobed foliage and large size make them stand out even without flowers. But when in bloom, there’s…

  • Purple shamrock
    Design

    What is a Shamrock and How do You Grow Them?

    Shamrocks (Oxalis spp. and cvs., Zones 3–11), also known as wood sorrels, are beloved annual and perennial plants known for their distinctive foliage that resembles clover (Trifolium spp.). Shamrock leaves…

  • garden designs with hostas
    Design

    How to Use Hostas in Garden Design: Plant IDs

    In “How to Use Hostas in Garden Design,” home gardener Delphia Johnstone introduced us to her lush Zone 7b North Vancouver garden. The garden has been three decades in the…

  • How-To

    How to Build a Bird Feeder Wreath

    In winter, food can be hard for birds to come by. Using materials from your yard, you can make a wreath that both feeds them and looks good while doing…

  • How-To

    New Garden Tools That Make Maintenance Easier on Your Body

    As the gardening season starts up again, many of us are going through our sheds and taking inventory of our tools, looking for damage and making mental notes of what…

  • Video

    Tour a Garden That Provides Subtle Privacy and Four-Season Appeal

    Privacy is a goal many gardeners have in mind when landscaping their backyard. But many people limit themselves to planting boxing hedges or a row of monotonous trees. When landscape…

  • How-To

    How to Divide Irises

    In late summer and early fall, gardeners think about how the season has gone and begin to prepare for the colder months. The furthest thing from your mind may be…