This shade tree makes a lovely addition to the yard. Unfortunately, it can come with a host of problems like pests, disease, and aggressive root systems.

Some trees and shrubs have a bad reputation for being susceptible to diseases: lilacs to powdery mildew, junipers to juniper tip blight, flowering crabapples to apple scab, and elms to Dutch elm ...

Prospect Park Alliance arborist Malcolm Gore counted the rings on a tree stump at the top of a hill in Prospect Park. "I got to 90,” he said. Counting tree rings for age isn’t entirely accurate, Gore ...

Purdue Landscape Report: We have received a few elm tree samples this year with a disease we do not often see, but which is relatively common: black spot of elm. This disease, also called elm ...

The weather has turned chilly and trees are losing their leaves and entering dormancy. Soon it will be winter, the safe time to prune oak and elm trees. “These trees should only be pruned during the ...

Saskatoon city hall is expecting a big increase in Dutch elm disease cases this year after a record 41 positive diagnoses last year and the removal of 62 trees.

It's not easy being green, especially for elm trees. This summer -- like others -- the no-fuss granddaddy of shade trees is a host for disease, insects and a foul stench. And the common but deadly ...