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  • … to temperature extremes. Temperature is one of the greatest drivers of plant diversification, with adaptation to both hot and cold extremes resulting in the colonization of new niche space … its native range to identify signatures of local adaptation. This project is integrally tied with traditional knowledge of local Native American communities given the importance of pawpaw … species to thrive while A. noveboracense is only found in four states as a glacial relict with rapidly declining populations. I am using the results of genomic sequencing approaches from …
    Type: Staff bio
  • … next to the English Walled Garden . From this point, the entire central lake is visible, with Evening Island , the Arch and the Serpentine—the two bridges that connect the main island to Evening Island, forming a necklace sparkling with crabapple blossoms along the Lakeside Gardens .   Crabapple Companions Walking from the … spring, the colors of these companion plants focus on yellow, purple, blue, and chartreuse—excellent enhancements for the powerful pinks, reds, and whites of the five different varieties …
    Type: Walks
  • … hornbeam, sweep as ground covers in a wooded glen, line trails of contrasting colors, and mix with spring hostas, ferns and columbines, and summer daylilies. From their early spring emergence … not bothered by slugs. Disease- and insect-resistant, they prefer well-drained, organic soil with a good mix of leaf mold and compost, which imitates the natural forest floor. Known to be … astilbes is the sturdy-stemmed, lavender-pink  Astilbe chinensis  'Pumila', a late-blooming, fast-spreading ground cover. Astilbe  x  arendsii  'Fanal' (red) Astilbe thunbergii …
    Type: Plant Info
  • … this is such a safe space and I live a life of gratitude,” she said, her voice cracking with emotion. “It’s so therapeutic and for me, it’s respite,” she added. “I relax, and then I’m … the Garden’s Horticultural Therapy Services , said Laurie Dettmers, a horticultural therapist with Windy City Harvest, the Garden’s urban agriculture program. That was evident on a recent … at Edward Hines, Jr. Veterans Affairs Hospital in Maywood through a session. They chatted with broad smiles as Dettmers helped them pot the tropical sensitive plant ( Mimosa pudica ), so …
    Type: Blog
  • … a total solar eclipse in 92 years.   1. Make a pinhole projector—using leaves. Rule number one with eclipses—and with the sun every day, actually—is  don’t look directly at it with the naked eye . A fun way to … Garden’s parking lots have big, leafy trees that would work. If you prefer seclusion, the west service road, stretching from the Regenstein Learning Campus to the Graham Bulb Garden, has …
    Type: Blog
  • … has frozen hard. If you don’t have a huge amount, you can shred whole leaves in a garbage can with a weed whacker; don’t forget to use safety goggles. For larger amounts, use a lawn mower to … around larger plants such as hydrangeas, rhododendrons, and roses, and loosely stuffed with shredded leaves around the base of plants. This should be done after temperatures have … burrowing next to the trunk. For more plant advice, contact the Garden’s Plant Information Service, Plant Information …
    Type: Plant Info
  • … region a hundred or two hundred years ago as they are today. Virtual Herbarium In partnership with The Morton Arboretum and The Field Museum, and with funding from the Institute of Museum and Library Services, the Chicago Botanic Garden also … for 80,000 plant specimens, and can provide real-time reference for scientists in the field. With this resource, scientists can quickly identify a plant species and assess if they have …
    Type: Plant Info
  • … to a healthy one by the beetle, by the roots of an infected tree grafting together underground with the roots of a healthy tree, or by contaminated pruning tools. There is no cure for the … appear in late summer or early fall, homeowners might confuse the yellow or brown leaves with premature fall coloring. Dutch elm disease can kill smaller trees in one season; large … Fungicides injected into infected trees are less effective. Fungicides injected into trees with infected interlocking roots will also not be effective. Losing mature trees that are over a …
    Type: Plant Info
  • … Check sewer drains, septic tanks, and downspouts for any pooling water. Cover rain barrels with tight-fitting lids or 16-mesh screening. Wear Protective Clothing Wear socks and shoes, long pants, and long-sleeved, light-colored shirts when outside. Protect children and babies with proper clothing and mosquito netting. Use Repellant Consult your family doctor for … against mosquitoes. Consult a pediatrician for appropriate and safe children’s products. As with all insecticides, read and follow label directions. Plan Your Gardening Mosquitoes are most …
    Type: Plant Info
  • … for anyone, but for a lover of trees, it can also turn into an exhilarating moment of truth. With the air crystalline cold and the winter sun rocketing off the white of the snow, all plants … even if the following day is shrouded in gray and freezing drizzle has slickered your garden with ice — a day when even your faithful chickadees abandon the feeder — this, too, is a moment … should include a soil test to be sure the soil is acid enough. 'Little King'  Touted as an excellent alternative to other intermediate-sized ornamental trees. It is useful as a specimen in …
    Type: Plant Info