Local arborist Luke Brunner says that low temperatures are far less dangerous to trees than heavy snow and ice.

Like true aphids, woolly aphids suck sap from plants and can stunt their growth. Here's how to get rid of them from your flower beds for good.

You probably won’t see them, but they’re there. A tiny invasive critter has the potential to wreak havoc on PNW forests.

For the season to date, the city has received 10.7 inches of precipitation, well below the typical 31.3 inches by this point ...

In laboratory studies, coronae emit a faint blue light from the tips of spruce needles. In nature, ambient light drowns out this glow, so researchers used a special camera to detect invisible, ...

Recent cold weather in Florida has caused invasive green iguanas to die and fall from trees as they decay. Iguanas, which are not native to Florida, can become paralyzed when temperatures fall below ...

More than 5,000 invasive green iguanas in Florida were removed during the state's two-day exemption that allowed residents and visitors to capture the cold-stunned reptiles without a permit, according ...

Seeking out shrubs and trees to plant in your backyard for a bird-friendly winter habitat? It feels so good to support birds in frigid weather when you know they're struggling to find food and shelter ...

This has been a winter full of surprises. The Philadelphia area has seen the biggest snowstorm in 10 years and one of the longest below-freezing streaks in our history. Nearly every day since ...

Q: I read your article on trees splitting in the cold, and I thought you might like a photo from our tree near Rochester, Minn. This linden splits a little each winter but heals up in the spring. — ...

If you’ve spent time outdoors during recent cold snaps—or scrolled social media—you may have heard talk of “exploding trees.” While the phrase sounds dramatic, the phenomenon behind it is very real ...