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  • … be concerned? A: It is normal for the foliage of some evergreens, such as arborvitae ( Thuja ) and boxwood ( Buxus ), to change color in cold weather. The different color of the foliage in … cold weather. In any of these species, the observed color change can vary from plant to plant and from year to year. In species other than those listed above, significant cold-weather discoloration may indicate damage or disease. Please contact Plant Information Service at (847) 835-0972 or [email protected] for additional information. …
    Type: Plant Info
  • … Q. I have been spraying an insecticidal soap solution on my garden plants and houseplants to control insects. How long does this product last on the plants? A. Soap …
    Type: Plant Info
  • … features butterflies from around the world, including South America, Asia, North America, and Africa, as well as those native to Illinois. Volunteers are also on hand to answer questions. …
    Type: Event for Calendar
  • … dollar to a dinner plate. Society members will be on hand to provide written information and to answer questions about dahlias, location Burnstein Hall. Blooms will be available for …
    Type: Event for Calendar
  • … cut flower or short lived perennial in a flower bed. Attracts butterflies. Plant in full sun and provide moderate water. Avoid heavy mulching around base of plants that can cause damping off. …
    Type: Garden Guide Plant
  • … production (although it tolerates partial shade well). Very well branched to provide quick and complete soil cover. MegaCopa has improved heat tolerance, which will help it flower into the …
    Type: Garden Guide Plant
  • … have melted out. ‘Benary’s Giant Lime’ grows up to 3 feet tall, with fully double flowers, and up to 5 inches diameter on strong, sturdy stems. This cultivar is more resistant to powdery …
    Type: Garden Guide Plant
  • … some shade throughout the day. Archived Copy: This content was captured before February 2022, and is no longer being updated. …
    Type: Garden Guide Plant
  • … garden bed throughout autumn. Archived Copy: This content was captured before February 2022, and is no longer being updated. …
    Type: Garden Guide Plant
  • … poles, etc., in the landscape. Archived Copy: This content was captured before February 2022, and is no longer being updated. …
    Type: Garden Guide Plant