The leaves of native elms, non-natives, and hybrids can look a bit bedraggled at this time of the year owing to the leafmining activity of the elm leafminer sawfly. Fortunately, leaf...
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Elm Leafminer Sawfly
MAY 19, 2022
While there is something to see year round in the world of Spotted Lanternfly or SLF, last week, a group of Extension professionals – Jim Jasinski with our IPM Program, Thomas deHaas in Erie County,...
Name That Pathogen
APR 24, 2022
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Egg masses of Spotted Lanternfly, Lycorma delicatula, on Tree of Heaven, Ailanthus altissima, were discovered by an arborist during the week of February 14. Ohio Department of Agriculture inspected ...
Oak Wilt in the Northeastern and Midwestern States, A Story Map by the USDA Forest Service Eastern Region
MAR 17, 2022
The USDA Forest Service recently completed a story map entitled “Oak Wilt in the Northeastern and Midwestern States”. Oak wilt, which kills hundreds of thousands of oaks in the U.S. each year, is comp...
Will the best mulch please stand up
MAR 17, 2022
Foundational to plant health care is healthy roots and healthy soil ecology. Surprisingly, many of the mulches we have been using in our landscapes are not as wonderful as we think. Very finely ground...
