William Cullina

  • Expert tips for planting under trees
    How-To

    Expert Tips for Planting Under Trees

    Attempting to grow plants under a tree's canopy presents certain challenges. Tree roots concentrate in the top 6 inches of the soil and can spread far beyond the leaf canopy.…

  • 9 Perennials to Liven Up Your Spring Garden
    Design

    9 Perennials to Liven Up Your Spring Garden

    For those of us in temperate climates, spring is a wonder­ful time of the year. There is a palpable energy and excitement in both garden and gardener as gray and…

  • How-To

    Starting Wildflowers from Seed

    Knowing when to keep them wet, dry, warm, or cold helps you to coax these woodland seeds to grow

  • Design

    Showy Shrubs for Fall

    Trees aren't the only plants that put on a colorful foliage display this time of year

  • Design

    Tough Ground Covers

    These tough and decorative ground covers will fill your garden gaps with style