The scouting report of The Morton Arboretum for July 24, 2020.
What indicator plant is in bloom in Dupage County?
Queen Anne’s lace (Daucus carota) is beginning to flower
Accumulated Growing Degree Days (Base 50): 1658.5 (as of July 23)
Accumulated Growing Degree Days (Base 30): 4168.5 (as of July 23)
- Grubs in the lawn
- Zimmerman pine moth
- Galls, Chapter 4
- Bur oak blight
- Rust on lawns
- Guignardia on buckeye