Blog Archives

Japanese Rose of Sharon Moth Found Just North of Kentucky Border

Caterpillars of Rusicada privata (formally Anomis commoda) (Walker, 1865) have been observed in Scioto County, Ohio, approximately 5 aerial miles north of Greenup County, Kentucky. The species, known as the rose-of-sharon moth or hibiscus leaf caterpillar moth (Figure 1), is

Posted in Landscape Trees & Shrubs

Landscape Sanitation: Clean Up for Clean Plants

Autumn has arrived in Kentucky and, as leaves will soon begin to change color and fall from trees, it is time to focus on landscape sanitation. Good sanitation practices can help reduce disease-causing pathogens.  These organisms can survive for months

Posted in Landscape Trees & Shrubs, Landscapes, Ornamentals

Transplant Shock: Disease or Cultural Problem?

Autumn has arrived in Kentucky, and now is one of the best times to plant new trees. Cool-season planting allows trees to “focus” on root system development. Woody plants may take as long as 3 to 5 years to establish

Posted in Landscape Trees & Shrubs

Late-season Sights – 2

Here are some more sights that can show up at this time of year. Only a few situations may warrant action before winter. However, recognizing important chronic pests allows you to develop long range management plans. The Japanese beetle is

Posted in Landscape Trees & Shrubs

Armillaria Root Rot – A Threat to Stressed Landscape Trees

Tree stress can come from numerous factors, including weather, mechanical damage, insects, or poor growing conditions. These stresses make plants more susceptible to the plant disease Armillaria root rot. This fungal disease is also known as shoestring root rot, mushroom

Posted in Landscape Trees & Shrubs

Late Season Sights

Signs and symptoms of insect activity are evident now. Only a few situations may warrant action before winter. However, recognizing important chronic pests allows you to develop long range management plans. Sawflies Pine sawflies can cause significant defoliation during the

Posted in Landscape Trees & Shrubs

Stress and Decline in Woody Plants

Woody trees and shrubs may exhibit decline resulting from the stresses that can occur during their lives. Stress may be the result of improper plant or site selection, incorrect planting or maintenance practices, or poor soil conditions. Injury from equipment,

Posted in Landscape Trees & Shrubs