Emerald ash borer is an invasive pest that causes grave damage to ash trees. A certified arborist shares how to spot the ...

Mature ash trees were thought to be a symbol of the well-being of the land itself. Noted for their strong and flexible timber ...

Wildfire turned vibrant Altadena to rubble. The Monitor is following what comes next on one block. How neighbors rebuild, how communities change, and how resilience appears in the aftermath of ...

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

To avoid removing flower buds and diminishing—or halting entirely—the annual floral show, wait to prune trees that bloom ...

Residents affected by the Eaton and Palisades fires now have a way to try to preserve trees that still stand on their ...

T he aspiring naturalist begins her or his craft in the warmer seasons, when it is easy to name and to know the trees and grasses and shrubs by their ...

I wanted to show kids that cutting a tree down is not all bad,” said Justin Perry. “You can get something out of a forest ...

Wondering why a small dusty cross anoints the foreheads of Christians once a year? They're celebrating Ash Wednesday, which for many also marks the start of Lent, a 40-day period of penance and ...

Ash Wednesday marks the beginning of Lent for people of Christian faith. Each year, Catholics, Lutherans and other denominations around the world observe the 40-day period of self-sacrifice and ...