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ODNR recently held a workshop in Spring of 2023 on Hemlock Wooly Adelgid(HWA) and Elongate Hemlock Scale(EHL) at Penitentiary Glenn in Like County. So as a horticulturist or homeowner, what should y...
Heavy Hawthorn Leafminer Damage
MAY 18, 2023
Damage by the Hawthorn Leafminer Sawfly (Profenusa canadensis, family Tenthredinidae) on its namesake host is becoming evident in southwest Ohio. Several small hawthorn trees I saw yesterday in a lo...
Hatch of Spotted Lanternfly Observed in Cincinnati
MAY 18, 2023
On Thursday, May 4, 2023, Jonathon Shields, Agriculture Inspection Manager with the Ohio Department of Agriculture (ODA), confirmed hatch of spotted lanternfly (SLF) within the Cincinnati infestatio...
Sticky, Dripping Maples
MAY 3, 2023
Late last week, I came across plantings of red maples (Acer rubrum) in a commercial landscape in southwest Ohio that were dripping sticky, sugary, honeydew; the calling card of phloem-sucking insect...
I recently sent boxwood samples to The Ohio State University Plant and Pest Diagnostic Clinic. The results came back with the following comments:
After incubation in moist chamber, we observed Volute...
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Bad Looking Boxwoods
MAR 22, 2023
Boxwood leafminer damage is already becoming apparent. However, the symptoms are highly variable and may be mistaken for winter injury, a “leaf blotch” disease, or something else. Birds seeking meat...
It’s that scaly time of the year…
FEB 20, 2023
In winter site inspections, we are finding a lot of Japanese maple scale on a lot of different plants, many you may not expect. This is a blue holly loaded with Japanese maple scale.
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A new invasive pest has arrived in the Cincinnati area. The spotted Lanternfly (Lycorma delicatula) was first detected in the United States in Pennsylvania in 2014 and has been spreading ever since. A...
Box Tree Moth Identified In The State Up North, Information Shared From Michigan Department of Agriculture
FEB 20, 2023
This BYGL Alert is an update on the box tree moth (BTM) (Cydalima perspectalis). On May 28, 2021, BYGL contributor Joe Boggs authored an alert about this invasive species that was on the radar, and ...
Right Plant, Right Place.
FEB 20, 2023
Many gardeners ask the question “Will this survive?” The real question that needs an answer is “Will this plant THRIVE?” Most of the time, the answer to the question is “Right Plant, Right Place.”
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