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Plant Health Care Report Issue 2014-2

The Scouting Report of The Morton Arboretum for April 18, 2014.

Plant Health Care Report 2014-2

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What indicator plant is in bloom at the Arboretum?
Cornelian-cherry Dogwood (Cornus mas) is in very early bloom

Accumulated Growing Degree Days (Base 50): 9.5 (as of April 17)
Accumulated Growing Degree Days (Base 30): 329 (as of April 17)


  • Euonymus scale
  • Katydid eggs and praying mantis egg cases
  • Wooly alder aphid nymphs


  • Cedar rust galls on juniper



  • Lawn care update