Pruning this sappy tree in early spring is basically an open invitation for destructive fungus and troublesome pests — here's ...

A study finds small-scale tree cover in Costa Rica boosts biodiversity while limiting dangerous mosquito species. Protecting trees might not seem like a public health strategy, but new research ...

Pennsylvania naturalists are keeping an eye on a disease that has been killing beech trees in the eastern U.S. for more than a decade, but has begun spreading more rapidly in the past three years.

SPRINGFIELD, Mo. (KY3) - In a collaborative effort with the Missouri Department of Conservation (MDC) Forest Health Program, the MU Plant Diagnostic Clinic announced it will provide free testing ...

Q: Our chitalpa tree underperformed last year after 10 years of growth. This year, two-thirds of it is dead. How do I tell if it was verticillium wilt disease or bacterial leaf scorch disease that ...