What you can do about yellownecked caterpillars: if you have an oak tree suffering an infestation, consider dusting the ...

Apache Stronghold is fighting to save Oak Flat. After Congress authorized the Oak Flat land transfer, in 2021 the nonprofit ...

Oak trees are focal points of many home landscapes, parks, and green spaces throughout Wisconsin. Several species are native ...

It's only July, and some Cape Cod leaves are turning brown. No, your tree isn't dying. Here's what's really going on.

White oaks (Quercus alba) are durable, large canopied, long-lived trees that grow slowly and are common in southern Wisconsin ...

The needles are the primary distinction between other pines, including the red ... oak leaves reach five to nine inches long ...

New York state, in collaboration with the New York Cooperative Fish and Wildlife Research Unit at Cornell University, has ...

A new pest may emerge in Ohio as Brood XIV cicadas conclude their 17-year life cycle. Oak leaf itch mites can bite people, ...

The next potential threat facing Niagara County’s trees could make the jump from across the border. Trees in Canada’s Niagara Region have been infected with oak wilt, a fungal disease that means ...

You can remove poison oak from your yard by hand or with an herbicide. No matter which method you choose, wear protective ...

Have you noticed discoloration on your maple tree leaves this year? You aren't the only one. Here's what you should know ...

Galls are abnormal growths and can be caused by a variety of different organisms, including insects and mites, and occasionally nematodes, fungi, and bacteria.