The scouting report of The Morton Arboretum for July 6, 2018.
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)
- Foliar nematodes
- American dagger moth
- Galls-part 3
- Head-clipping weevils
- Guignardia on Boston ivy
- Brown rot of stone fruit
Oak leaf blister
Bartlett Tree Experts, Presenting Sponsor of the Plant Clinic