Tree133: Registered Tree Service Provider
In April 2022, Seattle City Council passed Council Bill 120207 requiring that all tree service companies must be REGISTERED with the...
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Preserving Urban Wildlife Habitat
Karsten explains how arborists help preserve urban wildlife habitat with snag trees and bird boxes.
Leyland cypress - "An alligator in the bathtub"
Leyland cypress (Cupressus x leylandii) is a hybrid species resulting from a cross between the Alaskan cedar (Chamaecyparis...
Tree Care Basics: Mulching
Should I put mulch around my trees? Yes! Chipped woody material, sometimes called "arborist chips," give the soil and your trees added...
A beautiful laceleaf maple in Pinehurst
Tree133 has worked on this beautiful laceleaf maple (Acer palmatum) for the past few years.
Cabling and Bracing in Small Trees
Trees are biologically designed to withstand wind and load. However, heavy foliage/fruit or a weather event may cause a split...
The Art and Science of Proper Pruning
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...
Bronze Birch Borer & Tree Management
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).
Tree Protection During Construction
Protecting tree roots during construction projects is essential to maintain the overall health of your trees.
Hazard Mitigation in Large Conifers
Understand three proven, scientifically sound methods to improve long-term growth and stability of large conifers
Create a Wildlife Snag in Your Landscape
Rather than removing a declining tree in your landscape, a Certified Arborist can turn it into a wildlife snag.
How to Root Wash and Plant a Fruit Tree
Tips for successful planting of small trees - including root washing and pruning, preparing the planting depth, watering and mulching.
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