VISIT & explore

Plant Health Care Report issue 2014-7

May 30, 2014

The Scouting report of The Morton Arboretum for May 30, 2014.

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What indicator plant is in bloom at the Arboretum?
Bridal Wreath Spirea (Spiraea x vanhouttei) is in full bloom

Accumulated Growing Degree Days at The Morton Arboretum
Accumulated Growing Degree Days (Base 50): 340.5 (as of May 29)
Accumulated Growing Degree Days (Base 30): 1458.5 (as of May 29)


Ash-lilac borer
Sawflies on oaks
Spruce spider mites
Viburnum leaf beetle revisited
EAB update


Phomopsis tip blight
Anthracnose on oak
Colletotrichum on Heuchera