That painted tree with a white trunk has a secret meaning. Find out why gardeners and farmers do it, and how it helps protect the tree from harm.

Most people worry about frost killing their trees in January. Far fewer think about what a relentless July sun can do to bark. Summer sunscald is quieter than a storm, less dramatic than a pest ...

Whether you're walking along a city sidewalk or hiking deep in the forest, you might occasionally notice paint marks on tree trunks (or even a metal band once in a while). Those paint marks are codes ...

Add Yahoo as a preferred source to see more of our stories on Google. Close-up of a tree with green paint marking and two walkers in the distance - crazymonke9 ...