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Plant Health Care Report issue 2017-6

June 16, 2017

The scouting report of The Morton Arboretum for June 16, 2017.

PDF iconPlant_Health_Care_Report_2017_6 (PDF)

 

 

Bartlett Tree Experts--Presenting Sponsor of the Plant Clinic

 

Bartlett Tree Experts, Presenting Sponsor of the Plant Clinic.

 

 

Quick View


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

Accumulated Growing Degree Days (Base 50): 718.5 (as of June 15)
Accumulated Growing Degree Days (Base 30): 2694.5 (as of June 15)

 

Insects/other pests

  • Viburnum leaf beetle update
  • Lecanium scale update
  • Hawthorn leafminer
  • Lace bugs
  • Fletcher scale
  • Two-marked treehopper
  • Leafhoppers
  • Currant spanworm
  • Grape flea beetle
  • Galls, chapter 2

 

Diseases

  • Downy leaf spot on hickory
  • Oak leaf blister
  • Black spot on rose
  • Septoria on phlox