Arbor Day volunteers planted new trees across the country Friday — much as they’ve done for the past 150 years — but ...

The catch? It's a protected live oak tree. Glendale, like Los Angeles, Pasadena and many cities in Southern California, has laws protecting oak trees as “natural aesthetic resources.” ...

Experience the best of the Northern California countryside in this lush valley outside of San Francisco, home to vineyards, ...

The trees were southern live oak. It appears what I saw was a natural form of “layering,” whereby a branch touches the ground and produces adventitious roots driven by hypoxia and the hunt for ...