The scouting report of The Morton Arboretum for July 26, 2019.
What indicator plant is in bloom at the Arboretum?
Queen Anne’s lace (Daucus carota) is in flower
Accumulated Growing Degree Days (Base 50): 1512.5 (as of July 25)
Accumulated Growing Degree Days (Base 30): 3969.5 (as of July 25)
- Gateway to Tree Science
- Magnolia scale
- Fall webworm
- Milkweed bugs and beetles
- Septoria leaf spot on dogwood
- Tar spot of maple
- Bur oak blight