Seeing blue dots, red Xs, orange circles and purple bands on trees and wondering what they mean? Here's what we found out ...

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 ...

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 ...

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 ...

Many young trees and even some older ones are susceptible to winter sun injury. This is referred to as southwest winter injury or simply sun scald. It is caused by repeated freezing and thawing of the ...

After last week’s column on transplanting 8-year-old plum trees was published, City of Las Cruces Community Forester Jimmy Zabriskie contacted me about another important consideration: sunscald.

In a proactive move to bolster road safety, the authorities in Golaghat are launching an innovative campaign to paint tree trunks and light poles white throughout the district. This project includes ...

Dear Johnnie: What is the purpose of the tan coating applied to the bottom of tree trunks at Left Hand Park? Bug, beaver or deer deterrence? Something else? — Rachel The tan paint on these trees ...