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  • … by Dr. William (Ned) Friedman, Director of the Arnold Arboretum Arnold Professor of Organismic and Evolutionary Biology, Harvard University “Charles Darwin and the Early Evolutionists” In addition to being a botanist with interests in plant evolution and development, Ned is also keenly interested in the history of science, and in particular the …
    Type: Event for Calendar
  • … are daylilies, hostas, ornamental grasses, Joe-pye weeds (Eutrochium), barrenwort (Epimedium), and ferns. Because they form ever-expanding clumps, the plants benefit from being dug out of the ground, divided, and replanted. Voilá! More plants! Although several perennials can be divided in late summer, … courses and much more. Get more information on perennial topics . Visit our Plant Information Service and find information on common pests and problems, and more.     Nina Koziol is a garden …
    Type: Plant Info
  • … If every home garden had fertile soil, a gentle once-a-week rainfall and the right amount of sunlight and humidity, gardening would be a breeze. But gardeners know that’s wishful thinking. Poor soils, dense shade, competing tree roots, and lack of rain make gardening a real challenge. When we choose suitable plants for difficult …
    Type: Plant Info
  • … There are many good reasons to choose native shrubs for your garden. They’ve evolved and adapted over thousands of years to the ever-changing Illinois climate and the soils. They provide food and shelter for a variety of wildlife—birds, bees, butterflies, and many others. Some of these …
    Type: Plant Info
  • … Beets have a bad reputation as one of the most hated veggies around, but the nutritionists and dieticians at VeggieRx —a cooperative program by the Chicago Botanic Garden, Lawndale Christian Health Center (LCHC), and the University of Illinois-Chicago’s Chicago Partnership for Health Promotion (CPHP)—are … provides boxes of produce prescribed by doctors to help patients experiencing food insecurity and diet-related diseases. The produce is grown by Windy City Harvest, the Garden’s urban …
    Type: Blog
  • … Discover how to use three basic elements—color, texture, and form—to create a garden setting that is visually engaging. Discover colorful foliage and flowers from a wide palette of annuals, perennials, and shrubs that can light up a shade garden or enhance a sunny border. Please bring a sack lunch. …
    Type: Item Detail
  • … New! Switching up your seafood meals is easy and delicious in this hands-on class. Learn to marinate, sear, plate, and create wine parings for scallops and calamari. Perfect for any dinner party, hosting occasion, or just a night in. These easy …
    Type: Item Detail
  • … March April May June July August September October   Plant corn, snap beans, summer squash, and New Zealand spinach in mid-May. Thin carrots, beets, and late lettuce. Harvest green onions, lettuce, and radishes. Any of the mesclun mix or cut-and-come-again lettuces can be harvested to a few …
    Type: Plant Info
  • … ( Tilia ), maple ( Acer ), oak ( Quercus ), redbud ( Cercis ), tuliptree ( Liriodendron ) and many others. Description & Symptoms Verticillium wilt is a soil-borne fungal disease that … Symptoms include wilting leaves, often along a single branch. In acute cases, leaves curl and wilt, and the branch dies. Scattered dieback of branches may occur over several years. In chronic …
    Type: Plant Info
  • … New! Native North American bulbs can make great additions to your spring and summer gardens. Learn how to plant and care for Canada lilies, eastern camas, violet wood sorrel, and allied species such as Jack-in-the-pulpit, bloodroot, and dwarf crested iris. Leave with a …
    Type: Item Detail