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Plant Health Care Report issue 2014-16

August 22, 2014

The Scouting Report of The Morton Arboretum for August 22, 2014.

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What indicator plant is in bloom at the Arboretum?
Summersweet Clethra (Clethra alnifolia) is in bloom


Accumulated Growing Degree Days at The Morton Arboretum
Accumulated Growing Degree Days (Base 50): 1972.5 (as of Aug 21)
Accumulated Growing Degree Days (Base 30): 4770.5 (as of Aug 21)


Insects

  • Milkweed bugs and beetles
  • Grubs in the lawn
  • Boxelder bugs
  • Brown marmorated stink bug
  • Honeysuckle aphids
  • Genista caterpillar
  • Red goldenrod aphid
  • Galls
  • Egg hunt


Disease

  • Rust on lawns

 

Miscellaneous

  • Seasonal needle drop