People have long painted on trees to telegraph messages and signals. For instance, purple paint on trees is meant to denote private property and warn against trespassing. Other colors painted on trees ...

Whether you’re walking along a city sidewalk or hiking deep in the forest, you might occasionally notice paint marks on tree trunks. Those marks are codes used by forestry workers and contractors to ...

Q: My dad helped me plant a couple of young apple trees in my backyard last weekend and so far, so good. After we finished I said the only thing I had left to do was paint the trunks white. He looked ...

Dear Readers: This weekend, walking along a Longmont canal, I happened upon several trees with painted trunks. It took my mind back to this column from 2023. Dear Johnnie: What is the purpose of the ...

Several maple trees with white trunks - By Eve Livesey/Getty Images You may be lucky enough to live in or visit an area that has a variety of trees. What's perhaps even more surprising are the ...

You're enjoying a peaceful hike in the woods surrounded by lush greenery, including a lone tree with a red marking spray-painted on its trunk. It's easy to dismiss as the work of vandals (ugh, why can ...