Plant Health Care Report issue 2018-7

June 22, 2018

The scouting report of The Morton Arboretum for June 22, 2018.

PDF iconPlant_Health_Care_Report_2018_7 (PDF)

 

Quick View


What indicator plant is in bloom at the Arboretum?
Catalpa (Catalpa species) is in flower

Accumulated Growing Degree Days (Base 50): 956 (as of June 21)
Accumulated Growing Degree Days (Base 30): 2650 (as of June 21)

 

Insects/other pests

  • Japanese beetles
  • Four lined plant bug
  • Viburnum leaf beetle update
  • Galls,  part 2

 

Diseases

  • Diplodia tipblight
  • Witchhazel blight

 

Weeds

  • Helleborine
  • Wild parsnip

 

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Bartlett Tree Experts, Presenting Sponsor of the Plant Clinic