Safeguarding your trees against pests is important to their health and longevity. Invasive species can wreak havoc by defoliating or infecting trees, and left untreated, can lead to loss of limbs and ...

Streetlights left on all night cause leaves to become so tough that insects cannot eat them, threatening the food chain, a study has found. “We noticed that, compared with natural ecosystems, tree ...

I have always loved trees. I know how they have benefitted me. Could you share with us some of the other benefits trees provide for our environment and community? I share a love of trees. I belong to ...

Welcome to our tree column, “Ask your local arborist.” Each month, arborists from the Davey Tree Expert Company in Menlo Park discuss a tree-related topic from general care and planting tips to how ...