The emerald ash borer is an invasive beetle wreaking havoc on America's ash trees. We explain how it got here and how it is being tackled.

Lichens survive in a very wide range of habitats worldwide. Amazingly, more than 400 species can be found in Maryland.

Deep freezes in 2023 and 2024 provided relief for some of Maine’s most preyed-on tree species. Will that continue in 2026?

With so many varieties sold as Christmas trees, knowing what differentiates a Douglas fir from a Norway spruce is key to shopping for a real tree you’ll love. You’re likely to see more than one ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. The Lord Howe stick insect (Dryococelus australis) was ...

Erik Pauze knows a thing or two about evergreens. In fact, after decades of handpicking the Norway spruce that serves as one of the most famous Christmas trees in the world, it's fair to say he's a ...

Christmas tree supply is expected to remain steady. With the most wonderful time of the year around the corner, it may be worth it to consider buying a real tree to hide presents under this year. With ...

Insect-driven tree mortality is rising across Europe, according to an international study led by the Czech University of Life Sciences with participation of WSL. Conifers are hit harder, broadleaf ...

It’s beginning to look a lot like Christmas. Rockefeller Center announced Oct. 27 that its iconic Christmas tree for this year will come from East Greenbush, New York and is being donated by the Russ ...

Did you know that when you leave the dead tree stump in the yard, or you pile up the limbs that you pruned from your tree, you are going to bring more life to your yard? The typical reaction to a dead ...

As I mentioned in my previous column, “Popular hibiscus has lots of enemies” in the Sept. 30, Marco Eagle (available at marconews.com), many pests can feed on hibiscus making this a very high ...

The box tree moth has been confirmed in four more Ohio counties, the Ohio Department of Agriculture announced Sept. 25, two in Southwest Ohio and two in the northeast. Ashtabula, Clark, Cuyahoga and ...