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...
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Our Blog
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 called the bronze birch...
Tree Care Basics: Watering
During periods without rainfall, trees should be thoroughly watered on a regular schedule. Slow, deep watering provides a cool drink for...
How to Root Wash and Plant a Fruit Tree
So you want to add a tree to your property? In this video, learn tips and techniques for successful planting of small trees, including...
Create a Wildlife Snag in Your Landscape
Look up in a healthy forest and you'll likely see a snag - a standing dead or dying tree - often missing the top or most of the large...
Hazard Mitigation in Large Conifers
Two common "defects" in large conifers are codominant structure – multiple competing tops – and the development of "overextended" limbs...
Tree Protection During Construction
We are used to looking up at trees. But look down at the base of the trunk and imagine roots extending 2x the width of the canopy (or...
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 in a small...
The Art and Science of Proper Pruning
While trimming small trees in the yard may seem like a simple DIY project, pruning is much more than simply sawing off limbs or giving...
Minimizing Load Forces: TreeStuff Micro Rigging Lab
Craig was invited into the the TreeStuff Micro Rigging Lab at TCI Expo 2019 to talk about rigging angles to minimize load in the tree....
The Tree Upon the Tree House
Hemlock Removal & Maple Reduction – Vashon Island, WA Until we saw this scenario first-hand, it was very difficult to envision… a failed...
The Pine Over the Playset
Scots Pine Removal – West Seattle, WA Dead trees pose a significant hazard as they begin to deteriorate. Limbs become brittle and can...
A Hidden Hazard Near High-Voltage Wires
Removal of Hollow Western Hemlock – Shoreline, WA Western Hemlocks (Tsuga heterophylla) are notorious for decay in the roots and lower...
A Hazard On the Hill
Pacific Madrona Removal – Kirkland, WA The Pacific Madrona (Arbutus menziesii) has one of the largest habitat ranges in North America....
The Sentinel at the Cemetery
Removal of Hollow Lombardy Poplar – North Seattle, WA Lombardy Poplar (Populus nigra ‘Italica’) trees can grow up to 150 feet tall. They...
The Oak Over the House
Hazard Reduction Pruning of Large Red Oak – Seattle, WA One of the largest and oldest Red Oaks (Quercus rubra) in the city of Seattle is...
The Failed Limb Upon The Fence
Analysis of Big Leaf Maple Failure – Kirkland, WA This Big Leaf Maple (Acer macrophyllum) had failed before we arrived. The tree was...
The House Within the Apple Tree
Assessment of Apple Tree with Large Tree House – Kenmore, WA Many years ago, the client began building a tree house in an old apple tree....
Classroom Construction and Cut Roots
Damage Assessment for a Large Douglas-Fir – Lynnwood, WA An elementary school was in process of building a new science classroom. The...
Angles, Redirects & Forces in the Tree: TreeStuff Micro Rigging Lab
At TCI Expo 2019, Craig was invited into the the TreeStuff Micro Rigging Lab to demonstrate climbing and rigging concepts. Watch as he...
Work Positioning For Safety - TreeStuff Webinar
In this webinar for tree care professionals, Craig offers techniques for proper work positioning along with tips on making your tree...
Tree133: A New Look
If you live in or around Seattle, you might have seen our "big blue truck" and maybe our dog, Jack - he's the best "backseat driver" in...
Tree133: A New Team Member
We're excited to announce that Joanna Bachmann has joined the Tree133 team! Since our founding, Joanna has been supporting Craig and the...
Importance of Equipment Inspection: TCIA Podcast
If you are a climbing arborist, when was the last time you inspected your gear? Is there something in your bag that needs to be retired...
Climbing Gear: A Growing Risk to Tree Companies
August 2020: TCIA Magazine "In our roles as business leaders, supervisors, gear inspectors and safety trainers, we see tons of climbing...
A beautiful laceleaf maple in Pinehurst
Tree133 has worked on this beautiful laceleaf maple (Acer palmatum) for the past few years. In fall of 2019, we removed dead/decaying...
Modern Chainsaw Skills - TreeSfuff Field Edition
In this webinar for professional arborists, Craig Bachmann reviews proper cutting techniques and angles. Contact Tree133 for specialized...
Building for the Future: Tree Thinking Podcast
In this March 2021 episode of the Tree Thinking podcast, Craig Bachmann talked with the team about the value of mentorship, the future of...
Trees Support Each Other
Have you ever seen a tree that looks like it's propped up on legs? The tree likely grew on debris or sprouted on a nurse log, rather...
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...
Thinking Critically About Life Safety Carabiners: TCI Magazine August 2021
Check out Craig's newest article for tree care professionals in this month's TCI Magazine: Thinking Critically About Life Safety...
SRS Canopy Anchor Demo: TCIA EXPO '21
A canopy anchor is a climbing system that anchors the rope in the canopy of a tree. While a moving rope system (MRS) typically uses a...
Preserving Urban Wildlife Habitat
Birds, insects and small mammals all use trees for nests, nurseries, storage areas, foraging, roosting, and perching. If a tree needs to...
TreeU Arborist Chainsaw Qualification
Tree133 is excited to partner with TreeU for this professional arborist qualification program. During a half-day video-based training,...
Contract Climbers: An Untapped Training Resource
The June 2022 TCIMagazine, a leading publication for professional arborists, featured an article by Craig Bachmann, the manager and Lead...
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...
Tree133: 2023 Urban Canopy Leadership Summit
On a sunny day in November, urban forestry leaders, advocates and researchers from around the world gathered to climb some of the largest...
Discovering Forestry: Customer Education to Preserve Trees
On a recent episode of the industry’s only podcast focused on all things tree and landscape, Craig Bachmann - Lead Arborist and Company...
Building Community: How a Tree Preservation Company is Making a Difference for Neighbors
As a local, family-owned business, Tree133 is deeply connected to our Seattle neighbors. As professional arborists, our focus is tree...
Tree133: Learning new arborist skills at TCI Expo 2023
The professionals and arborists of Tree133 recently attended TCI Expo 2023. This is the world's largest tree-related conference and trade...
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