Wood anatomy and growth patterns serve as critical indicators in ecological studies, offering deep insights into the history ...

The new lineage has so far caused limited observable damage in San Mateo County, the Berkeley hills and Martinez – to bay laurel trees, which are among the many tree species that the disease can ...

Soggy weather on Saturday, Nov. 9, didn’t dampen the enthusiasm of a self-styled tree-planting brigade. Tree partisans met at ...

The spotted lanternfly has become invasive in central Ohio. Here's how to find the egg masses and help decrease the species ...

This impacts the tree by reducing the amount of oxygen getting to the roots. As roots are starved for oxygen, they die, or become targets for disease ... More trees tips: Citrus greening is spreading.

A tree risk assessment identifies tree dangers early to protect your property and family. Learn what happens during an ...

A deadly new oak-tree disease can be prevented by pruning them in the dormant season (if needed) instead of spring or summer.

Now, researchers are in a race against time. They say most of the vast ‘ohi‘a forests on Hawaii island will be gone in the ...

From now through the end of December is the time of year to inspect your trees for Sudden Oak Death. The mold pathogen that causes Sudden Oak Death, phytophthora ramorum, is most active during wet ...

A native Pennsylvania hardwood tree is facing extinction. Beech trees are being attacked by two separate diseases – one moves ...

Dormant pruning, trimming trees and shrubs during the period when they are not actively growing, typically occurs in late ...