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  • … Preserves of Cook County, the Garden has created this beautiful and accessible trail. Look for interpretive signs describing the moraine, wetland, and woodland regions of the Garden's … Preserves of Cook County, the Garden has created this beautiful and accessible trail. Look for interpretive signs describing the moraine, wetland, and woodland regions of the Garden's …
    Type: Page
  • … with Arnold Ellis, voted "world’s favorite rose" in 1985. Philosophy & Legacy: He advocated for understanding genetic vigor and limitations in hybridization, emphasizing factors like parent … with Arnold Ellis, voted "world’s favorite rose" in 1985. Philosophy & Legacy: He advocated for understanding genetic vigor and limitations in hybridization, emphasizing factors like parent …
    Type: Page
  • … with little foliage towards the bottom of the shrub. When this happens it may be necessary for a complete rejuvenation by pruning them to within 12 inches of the ground. This should be … Lilacs respond well to this renovation; however, the plant’s bloom cycle will be interrupted for one season, maybe more. To prevent the interruption in bloom cycles, lilacs can be given a …
    Type: Plant Info
  • … sound practices when dealing with insect problems, and determine your personal threshold for damage. Chemical treatments should always be considered a last option. Regular monitoring of … plants, beneficial insects, pets, and people. Please contact Plant Information Service for the most current chemical options from the University of Illinois Extension.  …
    Type: Plant Info
  • … Early spring preventative fungicide treatment of hawthorns may be warranted in some cases. For recommended chemical treatments for rust, please contact Plant Information Services at (847) 835-0972 or email . …
    Type: Plant Info
  • … only thornless but are often seedless or nearly seedless, thus making them preferred plants for landscape use. 'Skyline' features pyramidal growth with a central leader. It is a thornless … problems in some areas. Bagworms, plant bug, leafhopper and leaf miner may appear. Watch for spider mites. Archived Copy: This content was captured before February 2022, and is no longer …
    Type: Garden Guide Plant
  • … and will reach 20 feet high and wide with in a few years. It is a fun bit of living sculpture for a garden, but be sure to give it enough sun and space to develop its lovely form or give it a good trim in late winter to keep it a manageable size for your space. Members of the genus Salix are commonly known as willows. These woody plants …
    Type: Garden Guide Plant
  • … six to eight feet tall. When coppiced, the stems stay quite thin and pliable and are suitable for fine basketry. After the leaves fall in the winter the stems turn bright green providing … red osier dogwoods and blue spruces would enhance this effect. This willow is also suitable for using as a living fence, where canes are planted a foot apart but at right angles to their …
    Type: Garden Guide Plant
  • … with pea relish. Sample the varying taste and textures of assorted greens, and learn tips for washing, storing, and dressing your salads to let the clean, bright flavors shine. Take home …
    Type: Item Detail
  • … of gourd. Please contact Plant Information at (847) 835-0972 or [email protected] for more information. …
    Type: Plant Info