fbpx Plant Health Care Report issue 2019-1 | The Morton Arboretum

Plant Health Care Report issue 2019-1

April 5, 2019

The scouting report of The Morton Arboretum for April 5, 2019.

PDF iconPlant Health Care Report issue 1 for 2019 (PDF)

 

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What indicator plant is in bloom at the Arboretum?
Vernal witch-hazel (Hamamelis vernalis) is in full flower

Accumulated Growing Degree Days (Base 50): .5 (as of April 4)
Accumulated Growing Degree Days (Base 30): 333 (as of April 4)

 

Miscellaneous

Winter weather

Using growing degree days

Timing use of fungicides

Crabgrass preventer

Animal damage

Winter damage

 

Insects/other pests

Viburnum leaf beetle

Egg masses and more

 

Diseases

Cankers

 

 

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