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Orange "Dust" from Callery Pears
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...
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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...
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,...
For those who missed the fun, here’s the podcast from my appearance on In The Garden With Ron Wilson from January 6, 2024.
Arbor Doctor Ron Rothhaas featured in The Buckeye
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
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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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Technological Improvements in Tree Trimming equipment are amazing. When you think you have seen the newest and greatest, something better comes along. But with improvements in technology comes safety ...
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As spotted lanternfly (SLF) adult activity winds down for the 2023 season, the Ohio Department of Agriculture (ODA) has updated the SLF quarantine.
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The United States Department of Agriculture (USDA) recently announced it has updated its Plant Hardiness Zone Map.
