and one of its greatest threats is the deadly Dutch elm disease, which has taken its toll on Brown’s campus, too. The tree removal culminated in preserving eight 7-foot branches that were passed ...

An emerging invasive insect species has been causing problems with elm trees across ... from April to October and feeds ...

A tree may also decay if the wounds left by chopped-off branches aren't given appropriate time to heal. Some species are more suitable for pollarding, such as ash, elm, or mulberry trees ...