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  • … The Dune Willow Wading through frigid flood waters with a GPS unit, David Johannesen searched for the 12 remaining dune willows ( Salix syrticola ) at Illinois Beach State Park in Zion, IL. … and pushed Lake Michigan inland, flooding vast areas of the park. Now Johannesen, a volunteer for the Chicago Botanic Garden’s Plants of Concern rare plant monitoring program , aimed his … Illinois and is listed as endangered in the state. Dune willow’s spring blooms provide meals for early emerging pollinators and its leaves feed the caterpillars of many butterflies and …
    Type: Blog
  • … swear by it, but you need to have all-around good horticultural practices, like scouting for pests.” Japanese beetles Aphids Katja Schulz from Washington, D. C., USA , CC BY 2.0 , via … of different insects is not a bad thing. Beneficial insects come when there’s something for them to eat. “We want to mimic Mother Nature by having diversity in the landscape to strike a … is just one of those techniques,” Tiddens said. While scouting or monitoring the Garden for pests, Tiddens says, “When I see my first aphid, I don’t get too worried. I’ll come back in a …
    Type: Plant Info
  • … And so, our love story began ❤.       The hibiscus dazzled my family by blooming profusely for many years, indoors during the cold months and outdoors on the patio in the summer. Then, one … a larger pot, so I gently tore away at the root ball until there was enough room in the pot for roots and dirt. This helped, and once again, the hibiscus started producing blooms and … I waited just one day too long before bringing it indoors. The overnight frost did not make for a happy hibiscus, and the entire winter, it angrily shed its leaves. I took it back outside …
    Type: Blog
  • … on plants, share the Garden’s scientific research, and explore rhizomes as a metaphor for interconnectedness. Collaborating Scientists: Pat Herendeen Andrea Kramer Louise Egerton … on plants, share the Garden’s scientific research, and explore rhizomes as a metaphor for interconnectedness. Collaborating Scientists: Pat Herendeen Andrea Kramer Louise Egerton …
    Type: Page
  • … Q. What sort of spring care should I provide for my roses? A.  April is the appropriate month for some basic and necessary pruning. Pruning not only promotes improved flowering, it is essential for good overall plant health. Timing is important. Begin pruning when dormant roses begin to …
    Type: Plant Info
  • … dark green, strap-shaped leaves arises from a fleshy underground stem, forming a perfect foil for its masses of beautifully colored flowers. Unfortunately, in many areas of its natural habitat, colonies of wild bush lilies have been destroyed by harvesting for traditional medicine; the plants are extremely toxic but are used medicinally for various purposes. Bush lily makes a spectacular indoor plant due to its tolerance of low …
    Type: Garden Guide Plant
  • … a lot of diversity. Virtually leafless; relying on the green photosynthetically active roots for it's energy supply.& Multiple pendulous spikes of many pale green flowers with creamy white lips are produced in winter time. A challenge for most homeowners to grow, requiring a slab of bark to grow on, consistent daily moisture except for a short dry period in fall needed to set the flower buds; high humidity, bright light and …
    Type: Garden Guide Plant
  • … This optional study CD for the Deciduous Trees course will include detailed images and information of more than 50 …
    Type: Item Detail
  • … Chicago Botanic Garden recommends is 'Robustissima'. This cultivar is an outstanding choice for Illinois. …
    Type: Garden Guide Plant
  • … in the spring.  Remove the wrapper and packing material and soak the roots or entire plant for 8 to 12 hours to fully hydrate it before planting. Examine and remove all dead or damaged … to five buds per cane. Thin, spindly canes should be removed. Dig a planting hole wide enough for the roots of the plant. Make a cone of soil in the bottom of the planting hole. If the soil … Please contact Plant Information Service at (847) 835-0972 or plantinfo@chicagobotanic.org for more detailed information. …
    Type: Plant Info