fbpx Plant Health Care Report issue 2019-8 | The Morton Arboretum

Plant Health Care Report issue 2019-8

July 12, 2019

The scouting report of The Morton Arboretum for July 12, 2019.

 

PDF iconPlant Health Care Report issue 2019-8.pdf

 

Quick View


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

Accumulated Growing Degree Days (Base 50): 1152 (as of July 11)
Accumulated Growing Degree Days (Base 30): 3329 (as of July 11)

 

 

Diseases

  • Phytophthora ramorum, sudden oak death and ramorum blight
  • Powdery mildew
  • Walnut anthracnose
  • Slime mold, stink horns and mushrooms

 

Insects/other pests

  • Japanese beetles and white grubs
  • Head-clipping weevils
  • Two-marked tree hoppers
  • Viburnum leaf beetle update

 

Bartlett Tree Expert Logo

 

Bartlett Tree Experts, Plant Clinic Sponsor