Richard Hawke

  • tips for growing heucheras
    How-To

    Tips and Tricks for Growing Heucheras Successfully

    Heucheras are somewhere in between plant-them-and-forget-them perennials and high-maintenance divas. At home in garden beds and superstars in containers, they will reward you handsomely when given proper conditions and care.…

  • new heucheras
    Design

    Expert-Tested New Heucheras That Are Better Than the Classics

    Who remembers when ‘Palace Purple’ was one of the hottest perennials in the market? It was the heuchera I planted in my new garden 30 years ago. I liked its…

  • best reed grasses
    Design

    A Guide to Growing Reed Grasses: Best-Performing Varieties and Care

    As native grasses such as little bluestem (Schizachyrium scoparium and cvs., Zones 3–9) and prairie dropseed (Sporobolus heterolepis and cvs., Zones 3–9) increasingly gain traction in gardens, exotics such as…

  • Design

    Sterile Varieties of Butterfly Bush

    I have mixed feelings about growing and promoting butterfly bushes. On the one hand, they are beautiful and reliable garden plants; on the other hand, their weedy nature cannot be…

  • Sweetshrubs
    Design

    Best of the Sweetshrubs: Plant Trial Results

    Woody plants take up a lot of space for a lot of years, so here at the Chicago Botanic Garden we must be choosy about which shrubs we try. A…

  • bush clovers
    How-To

    Best of the Bush Clovers: Trial Plant Results

    By the time August rolls around, I’m looking for something new in the garden to pique my interest. I’m not quite ready for fall plants to take their turn, so…

  • ‘Gibraltar’ Thunberg bush clover
    How-To

    Tips to Improve Bush Clover Performance

    Best location With bush clovers, full sun is best for heavy flower production and to maintain full-bodied habits. These plants are easy to grow in average to dry soil; good…

  • growing summer allium
    How-To

    Growing Summer Alliums: Conditions and Care

    When given proper conditions and care, summer alliums are stellar, reliable performers in the landscape. Here are some insights into growing summer alliums that can help you manage and enjoy…

  • summer alliums
    Design

    The Best Summer Alliums to Grow: Plant Trial Results

    Some years ago, during a midsummer trip to Wisconsin, I found myself transfixed by a vast planting of ‘Summer Beauty’ allium dotted throughout with taller bright pink coneflowers (Echinacea spp.…

  • new summer alliums
    Design

    Noteworthy New Summer Alliums

    Although too new to our trial to be fully evaluated, these notable alliums are worthy of praise. Keep an eye out for them when you're at your local garden center…