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Plant Health Care Report Issue 2013-16

The Scouting Report of The Morton Arboretum for Aug 23, 2013.

Plant Health Care Report 2013-16

Cup plant (Silphium perfoliatum)Cup plant (Silphium perfoliatum)photo: John Hagstrom

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What plant is in bloom at the Arboretum?
Cup plant (Silphium perfoliatum) is in bloom

Accumulated Growing Degree Days (Base 50): 2028 (as of Aug 22)
Accumulated Growing Degree Days (Base 30): 4834 (as of Aug 22)

Insects:

  • Grubs
  • Boxelder bugs
  • Viburnum leaf beetles
  • Sycamore lacebugs
  • Gall midge on goldenrod
  • Red goldenrod aphid
  • Honeysuckle aphid


Diseases:

  • Goldenrod /pine needle rust


Miscellaneous:

  • Watering into autumn
  • Seasonal needle drop
  • Urban tree care conference
  • 2013 index