Our native oak trees face a new threat. In November 2019, scientists in Calistoga discovered tiny symbionts — an insect-fungus team — killing mature valley oak trees (Quercus lobata). It was the first ...

Defying its typical seasonal pattern, my beautiful backyard oak tree — which, at over 300-years-old, predates the neighborhood — recently shed its leaves unexpectedly. Upon a thorough evaluation ...

Due to changing weather patterns caused by climate change, young white oak trees are struggling in Missouri forests. Foresters across the country are asking private landowners for help saving white ...