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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Arboriculture Biomechanics Buckeye Yard and Garden Line Business Client Communications Drought Emerald Ash Borer Environment Events Garden Professors Blog Garden Rant Blog General Global warming and climate change Horticulture In The Garden With Ron Wilson Inspirational Invasives Local Horticulture Native Plants Nature Phenology Plant Health Care Pollinators and Bees Pruning Recommended trees, shrubs, and plants Ron Wilson Online Safety Sustainability Tree Health Tree planting Tree Preservation Tree Risk Assessment Weather RelatedCan you believe it is now summer? Well, meteorological summer at least. While the calendar, based on the position of the sun only, says we have 3 more weeks of spring, those of us in horticulture know...
The Japanese Maple Scale Challenge
JUN 2, 2022
Oystershell Scale has long presented a management challenge given its wide host range coupled with limited insecticide targets. However, this armored scale has been largely supplanted by the Japanes...
European Elm Scale Create Dripping, Sticky Elms
JUN 2, 2022
European Elm Scale (Eriococcus spurius (formerly Gossyparia spuria)) females are dripping sugary, sticky honeydew in southwest Ohio. This is one of the “felt scales” (Family Eriococcidae) so named b...
Monitor Now to Stop Bagworms!
JUN 2, 2022
Look closely at trees and shrubs festooned with last season’s Common Bagworm (Thyridopteryx ephemeraeformis) bag-abodes. Overwintered bagworm eggs are hatching in southwest Ohio meaning the “bagworm...
Hydrangea Leaftier
JUN 2, 2022
The Hydrangea Leaftier Moth (Olethreutes ferriferana, family Tortricidae) is so named because the caterpillars tie together developing leaves on wild and cultivated hydrangeas to produce oddball “le...
Recommended evergreens
MAY 30, 2022
Cilician Fir (Tree, difficult to locate in commerce) (Non-native, non-invasive)
Abies cilicica
This was posted by one of my connections on LinkedIn and it is too good not to share:
Running a business is really hard.
What they don’t tell you is that it can cause se...
Elm Leafminer Sawfly
MAY 19, 2022
