The scouting report of The Morton Arboretum for June 22, 2018.
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)
- Japanese beetles
- Four lined plant bug
- Viburnum leaf beetle update
- Galls, part 2
- Diplodia tipblight
- Witchhazel blight
- Wild parsnip
Bartlett Tree Experts, Presenting Sponsor of the Plant Clinic