Orange or yellow paints are used for harvest boundaries, and trees within those areas have blue, orange, green or yellow paint, depending on whether they are to be taken or spared. A black paint ...

For example, blue or yellow paint might indicate that a tree is going to be cut down soon, while purple markings generally mean not to trespass. A tree that is home to an endangered species may even ...

This fall, Manchester's trees aren't just turning orange, red, and yellow - they're also turning blue.With the help of local volunteers, ... get people's attention by paint urban trees blue.

Along came the idea of painting trees blue, something far from invisible, although the paint will wash off in three to four months, he said. "Blue, I think, talks about serenity.

Arend of Arend Tree Farms said he’s been painting trees for about 30 or 40 years, starting with just blue paint. The main reason the farm started painting trees was for advertising, he said.

Konstantin Dimopoulos is painting trees in Seattle a striking sapphire blue to raise awareness about the number of trees and forests lost around the globe each year. The Melbourne-based artist ...

Double takes and hasty smartphone pics—of the bright-blue trees in downtown Denver’s Theatre District aren’t the only way to interact with unusual public art project this month. Regular ...

The Blue Palo Verde may be Arizona’s state tree, but don’t let that stop you from transplanting this magnificent specimen into your south Orange County landscapes. The Southwest native will ...

Trees are chosen for their visibility, and non-toxic paint is used to "ensure environmental safety." The blue trees are meant as a symbol of the largely hidden problem that continues to plague ...