Q • My oak trees have more large galls than I’ve ever seen on them, and I’m worried about their health. What can I do about ...

Certain trees, like figs, crape myrtles, calamondins, ginkgos, and Japanese maples, can thrive when planted in pots rather ...

UC Santa Cruz tree worker Isaac Estrada works high above McLaughlin Drive next to the Core West Parking Structure as the UCSC ...

Darlene, who only wanted to share her first name, evacuated with her grandchildren, two of whom have asthma, and several ...

Red maple oak, quaking aspen, weeping willows, and birch trees are some of the seven fast-growing shade trees that can make ...

I noticed a lot of small twigs with leaves on them under my oak tree and became concerned about the oak. It is a large, ...

Pitch pine trees (Pinus rigida) grow along the eastern North American coast and as far south as northern Georgia. This species thrives in a humid climate and on sandy, shallow soils.

All tree leaves have an outer layer called the epidermis, which can also be used in the identification process. This leaf "skin" always has a waxy cover called the cuticle and varies in thickness.

Residents observing tree stress and decline on private property may want to contact a certified arborist for guidance and ...

Loren O'Rourke, Sacramento Tree Foundation Planting native oak species on underutilized urban public lands in Sacramento has a unique set of difficulties.

Kenya Creer, California State University, Long Beach, Department of Geography Through the acquisition, processing, and analysis of earth imagery, remote sensing has been at the forefront of mapping ...

A Maryland program to spot and document its biggest trees started a century ago. John Bennett is the man who keeps the ...