When it comes to successfully growing peach, pear, and plum trees, spring is the best time to plant them. Here's why.

Norm Geisinger is 82 years old, and he owns an 85-year-old bonsai tree that’s less than two feet tall. He’s owned the ...

Invasives have largely wiped out the American chestnut and elm, caused “hell” with the beech, and are now wreaking havoc on ...

Pests are ravaging keystone species like ash, elm, and beech. But researchers are breeding the survivors into more resilient ...

Siberian elm (Ulmus pumila) is an invasive tree native to northeastern Asia. It was introduced into the U.S. in the 1860s for ...

A piece of American history was planted in Centre County on Saturday as part of the lead-up to the celebration of the United ...