A small beetle is responsible for the death and decline of billions of ash trees in North America, and the race is on to stop it from causing further damage. The USDA is hoping to spread the word so ...

Q: We have an old green ash tree. About 75 percent of the tree's branches on the north side are dead (brittle and void of leaves). The rest of the branches are healthy. It has good protection from the ...

West Fargo homeowner Glenn Thompson noticed some unsightly yellow coloring around his evergreen spruce tree needles last year and called arborist Dan Olson to check on the problem. "There was ...

SCOTLAND, Pa. (AP) — The eradication of ash trees from Pennsylvania’s landscape and forests got a public viewing last week. Crews felled large-diameter trees dating to the early days of the Scotland ...

Midwestern cities face a dilemma: Remove mature ash trees that keep neighborhoods cool or leave them to be devoured by a tiny bug. MINNEAPOLIS — Minnesota’s Twin Cities are widely recognized as summer ...

Winter isn’t the ideal season for pruning trees in Upstate New York, but it’s the best time to cut scion or twigs from ash trees in parts of the state where the species has been all but wiped out.

Abiotic problems can be just as hazardous to plant life as disease and insect pests. Last week I wrote about the widespread concern over fungal rust in ash trees. This week’s popular question focuses ...

The emerald ash borer (Agrilus planipennis) was first identified as an invasive species in the US in 2002. It is now found in over 30 states. These invasive beetles kill ash trees in just a few short ...