Search

  • … compost heap. Any soilless mix from window boxes or containers can be discarded or kept aside for one more year. If used for a second year, mix equal parts old mix with fresh soilless mix. Clean and sterilize …
    Type: Plant Info
  • … winter days with colorful blooms of red, pink, violet, or white. Plants will provide color for many weeks, especially if they are purchased while in bud. Cool temperatures of approximately …
    Type: Plant Info
  • … Please contact Plant Information Service at (847) 835-0972 or plantinfo@chicagobotanic.org for susceptibility questions on specific species. …
    Type: Plant Info
  • … perennials to encourage additional flowers. Allow certain dried flowerheads to remain standing for fall and winter interest, including astilbe, coneflower, globe thistle, and others. Remove …
    Type: Plant Info
  • … Insecticide treatment is rarely warranted. Webs may be pruned out of trees and destroyed. For additional information on fall webworms, please contact Plant Information Services at (847) …
    Type: Plant Info
  • … a native of China, this sterile triploid produces no viable seeds. It saves all of its energy for the production of flowers and additional bulbs. This is one of the indicator species that …
    Type: Garden Guide Plant
  • … in both the heat and the cold of the Chicago region. Members of the genus Magnolia are known for the stunning beauty of their usually large flowers, which emerge prior to the foliage in …
    Type: Garden Guide Plant
  • … from time to time after its initial mid-spring show. Members of the genus Magnolia are known for the stunning beauty of their usually large flowers, which emerge prior to the foliage in …
    Type: Garden Guide Plant
  • … deep reddish rose on the outside with white interiors. Members of the genus Magnolia are known for the stunning beauty of their usually large flowers, which emerge prior to the foliage in …
    Type: Garden Guide Plant
  • … reducing susceptibility to late frost damage. Members of the genus Magnolia are known for the stunning beauty of their usually large flowers, which emerge prior to the foliage in …
    Type: Garden Guide Plant