Maple trees in urban environments show signs of stress due to the urban heat island effect. Impervious surfaces like pavement retain heat and disrupt water absorption, stressing trees and making them ...

If you notice bare branches on your maple tree this spring or observe a sudden leaf drop, your tree may have an insect problem and the maple petiole borer may be the culprit. Although trees drop ...

Safeguarding your trees against pests is important to their health and longevity. Invasive species can wreak havoc by defoliating or infecting trees, and left untreated, can lead to loss of limbs and ...

You probably aren’t watering or pruning the 75-foot oak or maple in the front yard, but mature trees aren’t maintenance free.

A couple of recent, late June, incidents are reminders that gardeners need to be vigilant during the long, warm days of summer. Being cold-blooded, insects that are sluggish in cold weather become ...

Most Iowans are familiar with the emerald ash borer and the insect’s threat to our foliage, but we’re also being asked to be on guard for another insect that’s equally as lethal to a much wider ...

Spotted lanternflies, the invasive pests that have spread across the Northeast after first appearing in Pennsylvania nearly a decade ago, may not be as harmful to forests and trees as initially feared ...

Invasive insects in the U.S. could kill up to 1.4 million street trees by 2050, according to researchers. In an international study published in the Journal of Applied Ecology, a team found that the ...

Editor’s note for print readers: This column was inadvertently omitted from Friday’s newspaper. Now that we’ve had six weeks’ exposure to hot, dry conditions, that’s when the challenging questions ...

In Wilmington one doesn’t have to look hard to find a stressed maple tree - bare twigs, early leaf drop, and lichen in the canopy are just some of the indicators your maple isn’t growing vigorously.

Invasive insects in the U.S. could kill up to 1.4 million street trees by 2050, according to researchers. In an international study published in the Journal of Applied Ecology, a team found that the ...