fbpx Plant Health Care Report issue 2017-11 | The Morton Arboretum

Plant Health Care Report issue 2017-11

August 25, 2017

The scouting report of The Morton Arboretum for August 25, 2017.


PDF iconPlant_Health_Care_Report_2017_11 (PDF)


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


Accumulated Growing Degree Days (Base 50): 2195 (as of Aug 24)
Accumulated Growing Degree Days (Base 30): 5571 (as of Aug 24)


Insects/insect relatives

  • Grubs in the lawn
  • Home invaders
  • Brown marmorated stink bug
  • Viburnum leaf beetle update
  • Egg hunt



  • Watering into autumn
  • Seasonal needle drop
  • 2017 Midwest Tree and Shrub Conference



Bartlett Tree Experts, Presenting Sponsor of the Plant Clinic