fbpx Plant Health Care Report issue 2016-6 | The Morton Arboretum

Plant Health Care Report issue 2016-6

June 17, 2016

The scouting report of The Morton Arboretum for June 17, 2016.

 

PDF iconPlant_Health_Care_Report_2016_6(3).pdf

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What indicator plant is in bloom at the Arboretum?
Catalpa (Catalpa species) are in bloom


Accumulated Growing Degree Days (Base 50): 743 (as of June 16)
Accumulated Growing Degree Days (Base 30): 2618.5 (as of June 16)


Insects
· Tussock moth caterpillar
· Cottony maple scale
· Spittlebug
· Plant bugs
· Sawflies
· The good guys


Diseases
· Sycamore anthracnose
· Oak leaf blister
· Powdery mildew on ninebark
· Downy leaf spot on hickory
· Rust on ash
· Update on cedar-quince rust


Weeds
· Creeping bellflower