A new Colorado State University study of the interior U.S. West has found that tree ranges are generally contracting in ...

Programs include a session on fruit tree pruning, a salamander meet and greet and children's programming focused on bugs.

The Orsillus maculatus was found by U.S. Customs and Border Protection agricultural specialists, arriving in cypress cones ...

Colorado's forests store a massive amount of carbon, but dying trees -- mostly due to insects and disease -- have caused the state's forests to emit more carbon than they absorbed in recent years, ...

New York’s forests are in trouble. Tiny, destructive insects are spreading fast, killing trees that have stood for hundreds ...

If the leaves of your citrus tree are yellow, it’s a sign that they are deficient in the minerals — nitrogen and magnesium t ...

An area on the outside of a tree trunk that appears to be stained white or looks wet during summer is likely bacterial ...

Pecan hulls make a lovely mulch in a perennial garden or shrub bed. They lay flat and, at least in my experiences, they ...

They have successfully killed the insect behind the greening disease in the lab, but the real test will come over the next ...

Researchers at the University of Florida are experimenting with genetically modified citrus trees to stop citrus greening.

The best time to prune most of our deciduous trees and shrubs is late winter. One reason is that insect pests and plant ...

Fewer than two percent of North America’s bark beetle species attack trees, but those that do have killed billions of ...