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Scale insects on magnolia

If you haven't come across Magnolia scale (Neolecanium cornuparvum) yet this year, consider yourself fortunate. In my area it is absolutely rampant. We're seeing Magnolia Scale on a majority of non-na...

Leaf exhibiting signs of Beech Leaf Disease.


Research scientists at the Bartlett Tree Research Laboratories – the research arm of the F. A. Bartlett Tree Expert Company – have developed novel Integrated Pest Management strategies to treat Bea...

Rust spores on sidewalk

Homeowners in southwest Ohio were surprised yesterday to awake to find sidewalks, cars, and streets beneath Callery pears (Pyrus calleryana) covered in a fine sprinkling of orange dust. The unusual ev...

Scales on tree and branch

By Caleb J. Wilson, Ph.D.

Trees in species-rich forests often suffer less damage from insect pests compared to trees in forests dominated by a few common species. Many hypotheses have been proposed...

Temperature Map

Temperatures with the coming cold wave will be comparable to the December 2022 cold wave. Here is a comparison:

December 2022 cold snap highs and lows:

45/20, 23/-9, 12/1, 19/7, 26/13, 32/24, 51/27,...

Arbor Doctor in The Buckeye, the publication of the Ohio Green Industry Association

Earlier this year, I was featured in The Buckeye, the publication of the Ohio Green Industry Association. You can read the article here beginning on page 8

two people in field

On a bright, sunny Thursday morning in October, ANR Extension Educators, Carrie Brown of Fairfield County and Dan Lima of Belmont County, teamed up with the North American Pawpaw Growers Association (...

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