Karsten explains how arborists help preserve urban wildlife habitat with snag trees and bird boxes.

Leyland cypress (Cupressus x leylandii) is a hybrid species resulting from a cross between the Alaskan cedar (Chamaecyparis...

Should I put mulch around my trees? Yes! Chipped woody material, sometimes called "arborist chips," give the soil and your trees added...

Tree133 has worked on this beautiful laceleaf maple (Acer palmatum) for the past few years.

Trees are biologically designed to withstand wind and load. However, heavy foliage/fruit or a weather event may cause a split...

While trimming small or medium trees in the yard may seem like a simple DIY project, pruning is much more than simply sawing off limbs...

What's happening to my birch tree? Here in the Pacific Northwest, the culprit could be a 1/2-inch long beetle, the Bronze birch borer (BBB).

Protecting tree roots during construction projects is essential to maintain the overall health of your trees.

Understand three proven, scientifically sound methods to improve long-term growth and stability of large conifers

Rather than removing a declining tree in your landscape, a Certified Arborist can turn it into a wildlife snag.

Tips for successful planting of small trees - including root washing and pruning, preparing the planting depth, watering and mulching.