The scouting report of The Morton Arboretum for Aug 11, 2017.
Bartlett Tree Experts, Presenting Sponsor of the Plant Clinic
What indicator plant is in bloom at the Arboretum?
Seven Sons flower (Heptacodium miconioides) is getting ready to flower (around 2000 GDD).
Accumulated Growing Degree Days (Base 50): 1911.5 (as of Aug 10)
Accumulated Growing Degree Days (Base 30): 5007.5 (as of Aug 10)
- Fall webworm
- Two-spotted spider mites
- Viburnum leaf beetle update
- Measles on peony
- Septoria leaf spot on dogwood
- Leaf spots on everything
- 2017 Midwest Tree and Shrub Conference