An urban forester explains the root of the problem.

Exposed tree roots can damage sidewalks and foundations, become a tripping hazard, and make lawn mowing difficult. Learn how ...

The California Department of Food and Agriculture declared a new citrus quarantine in Ramona this week after two citrus trees in a residential area tested positive for Huanglongbing, a citrus greening ...

Arborists see problems in newly planted trees in NuLu, part of the city's $12 million East Market Streetscape project, and many could need replanting.

For the season to date, the city has received 10.7 inches of precipitation, well below the typical 31.3 inches by this point ...