The Scouting Report of The Morton Arboretum for April 18, 2014.
What indicator plant is in bloom at the Arboretum?
Cornelian-cherry Dogwood (Cornus mas) is in very early bloom
Accumulated Growing Degree Days (Base 50): 9.5 (as of April 17)
Accumulated Growing Degree Days (Base 30): 329 (as of April 17)
- Euonymus scale
- Katydid eggs and praying mantis egg cases
- Wooly alder aphid nymphs
- Cedar rust galls on juniper
- Lawn care update