The Scouting Report of The Morton Arboretum for June 21, 2013.
What indicator plant is in bloom at the Arboretum?
Catalpa (Catalpa speciosa) is in full bloom
Accumulated Growing Degree Days (Base 50): 700.5 (as of June 20)
Accumulated Growing Degree Days (Base 30): 2246.5 (as of June 20)
- Japanese beetles
- Spruce spider mites
- Lecanium scale
- Imported currantworm
- More galls!
- Rust on rose
- Rhizosphaera needle cast
- Phyllolsticta leaf spot