Across the Hawaiian Islands, the invasive coconut rhinoceros beetle is threatening to make Hawaii’s palms disappear. Native ...

Sap is the 'blood' of a tree, helping to move nutrients from the roots to the limbs. Some sap is not unusual, but excessive ...

To overwinter roses successfully, fall rose care is key. Here is what to do and what not to do to get your roses ready for ...

I got a call a few years ago from one of my readers. His Paper Bark Birch was in severe decline. From what I could see, this two-foot-diameter tree was dying. I explained the dire situation of the ...

The beetle kills trees by burrowing into their inner bark and cutting off the flow of water and nutrients. Adult beetles ...

In the fall, both the adults and nymphs congregate in large numbers on exterior surfaces in sunny areas, coming indoors through cracks and crevices. They don’t bite or cause structural damage to your ...

Conservationists have been fighting a battle for the trees since 1996, when lax packaging regulations introduced an invasive ...

It looks like Halloween came early in the Tashmoo Woods. As the rest of the Island’s trees remain staunchly green in the ...

The invasive redbay ambrosia beetle has been confirmed for the first time in New York, along with the detection of laurel wilt disease in Suffolk County — a discovery that began with a Northport ...

When tiny holes appear on a tree, they often tell a story. These could either be due to harmless nesting activity of some animals, or they could be insect infestations that threaten a tree's survival.

A dismal snowpack followed by a warm spring with short bursts of precipitation put aspens and many other trees around the state in distress Original Reporting This article contains firsthand ...