Plant Health Care Report issue 2018-8

July 6, 2018

The scouting report of The Morton Arboretum for July 6, 2018.

PDF iconPlant_Health_Care_Report_2018_8 (PDF)

 

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What indicator plant is in bloom at the Arboretum?
Panicled hydrangea (Hydrangea paniculata) is in early flower

Accumulated Growing Degree Days (Base 50): 1315.5 (as of July 5)
Accumulated Growing Degree Days (Base 30): 3289.5 (as of July 5)

 

 

Insects/other pests

  • Foliar nematodes
  • American dagger moth
  • Galls-part 3
  • Head-clipping weevils

 

Diseases

  • Guignardia on Boston ivy
  • Brown rot of stone fruit

Oak leaf blister

 

 

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Bartlett Tree Experts, Presenting Sponsor of the Plant Clinic