A homeowner's seemingly healthy red maple has become the center of a landscaping debate after they discovered girdling roots.

From tree-killing beetles to plants that cause burns, New York’s Department of Environmental Conservation (DEC) is warning ...

The Cortlandt arborist and a certified independent expert found that the trees were "hollowed out" and could not be saved.

Invasive species such as cats, emerald ash borers, pigs, fire ants and hemlock woolly adelgids are causing changes to National Parks. Rangers say the changes are causing problems to ecosystems, ...

The Commonwealth of Pennsylvania has cataloged 28 invasive insect species that threaten forests, agriculture and ecosystems – ...

Dutch elm disease is caused by a fungus and is highly lethal to elm trees. It can be spread through root grafts, elm bark ...

THESE ARE MATURE BEECH TREES, AND THIS IS A REALLY SEVERE EXAMPLE OF BEECH LEAF DISEASE. AND IT’S NOT JUST ONE FOREST IN ...

Christmas tree growers across northern Michigan may soon get relief from prevalent fungal diseases with new federally-funded ...

Every yard needs a tree. All the better if it’s a native species of tree, one that will support native bees, butterflies and ...

Tim Cernak’s journey into conservation research started in 2020 with, of all things, a gardening question. He had picked up ...

Halifax is considering a new plan to protect hemlock trees on municipal land from an invasive insect spreading across the province. The hemlock woolly adelgid has been killing hemlocks in Nova Scotia ...