Invasives have largely wiped out the American chestnut and elm, caused “hell” with the beech, and are now wreaking havoc on ...

An ‘extraordinary’ pattern stretching across the entirety of a large suburban gum tree has puzzled thousands of Aussies. The ...

Learn why tropical trees may not bloom, how to treat oak bark loss, control hackberry sprouts, and help exposed roots.

The longer, warmer days of spring spark phenological changes in trees, from root to tip. As their limbs stretch and twist ...