Tree Trimming & Tree Pruning Help Portland Trees Stay Healthy

Thoughtful pruning protects the tree you already have

Maybe a limb hangs over your roof, or a young tree in your yard is growing lopsided.

Tree trimming should solve a real problem. A well-chosen cut can remove dead or damaged wood, improve clearance, guide young growth, reduce excess weight, or help an ornamental tree keep its natural form. Cutting a branch only because it’s reachable can do the opposite.

Our approach is conservative. We look at the species, structure, condition, location, and season before recommending work, and we only prune when the tree will benefit. Cleanup and hauling are included, and estimates are free.

Call (503) 929-9437 for a free tree trimming estimate

When tree trimming and pruning make sense

Even healthy landscape trees need attention because they grow around homes, walkways, streets, roofs, utilities, gardens, and other trees. Professional pruning can remove dead or compromised branches, improve clearance, reduce avoidable branch conflicts, and support a stronger structure without stripping away healthy growth.

This preserve-first approach matters most with mature trees. A good tree trimming service should have a reason for every cut.

The right pruning season depends on the tree

Timing affects how a tree responds. For many deciduous trees, the dormant period from late fall into early winter is an excellent window because leaves are gone and branch structure is easier to read.

A practical timing guide:

• Most deciduous trees: Late fall to early winter. Oaks, dogwoods, and many maples handle winter pruning well.
• Apple and pear trees: Late winter, while the tree is still dormant and before active spring growth.
• Spring-blooming trees: After flowering, so you don’t remove the buds that produce that season’s display.
• Birches and certain maples: Timing needs extra care because they can bleed sap when pruned too late in winter.
• Elms in the City of Portland: Routine pruning belongs in fall and winter. Portland prohibits elm pruning from April 15 through October 15 to reduce the spread of Dutch elm disease by elm bark beetles.

Find your tree’s pruning window

Plan your fall elm pruning

Fruit trees and orchards need a different pruning plan

We prune fruit trees for both structure and harvest, so the cuts follow different goals than they would on a shade tree. Apple and pear trees often benefit from late-winter work that makes the branch structure easier to evaluate before spring growth begins.

For orchard trees, pruning can improve light and airflow, manage crowded or crossing growth, guide young structure, and keep productive wood easier to reach. Older or neglected fruit trees may need a gradual plan rather than aggressive cutting in a single season.

Time your orchard pruning

Free estimates from ISA Certified Arborists.

Ornamental trees and shrubs need a lighter hand

Ornamental pruning should support the plant’s natural character instead of forcing every tree or shrub into the same shape. We look at branching pattern, flowering cycle, density, dead or damaged growth, and how the plant fits the surrounding landscape before deciding what to remove.

For flowering ornamentals, timing can be just as important as technique. It’s best to prune spring bloomers after they flower. Selective cuts can open up a shrub with a crowded interior or awkward growth while keeping its form.

“Can’t I just trim my trees myself?”

Small, reachable pruning can look straightforward, but the consequences of a poor cut may not show up right away. Removing the wrong branch, taking too much live growth, or making cuts that damage branch structure can stress a tree and affect how it grows for years.

Larger limbs, overhead work, valuable mature trees, and pruning near homes or other structures deserve professional judgment. Our Certified Arborists consider how each cut will affect the tree before the work begins.

If pruning alone can’t solve a structural concern, cabling or bracing may provide support. When you need a documented evaluation rather than routine pruning, an arborist report or consultation is a separate service.

Support a tree with cabling or bracing

Request an arborist consultation

Certified arborists guide the pruning decisions

Owner Damien Carré is ISA Certified Arborist PN-6405A and an ISA Certified Tree Risk Assessor. Operations Manager Derek Brown is ISA Certified Arborist PN-9864A, Tree Risk Assessment Qualified, and a member of the Portland Heritage Tree Committee. Douglas Lyle is ISA Certified Arborist PN-9254A and Tree Risk Assessment Qualified.

Oregon Tree Care has been in business since 2005, operates under Oregon CCB# 176382, and is a proud arborist partner of Hoyt Arboretum. We bring that training into each pruning plan through careful assessment, restrained cuts, and attention to the tree in front of us.

Meet the Oregon Tree Care team

Tree trimming service across our local service area

We provide tree trimming and pruning in Happy Valley, Lake Oswego, Milwaukie, Oregon City, West Linn, SE Portland, N/NE Portland to I-205, and Clackamas. Our office is at 1040 Abernethy Rd in Oregon City.

If a storm damages a tree or a branch poses an immediate concern, routine pruning may not be the right starting point. Our emergency tree service covers urgent situations, and we recommend tree removal only when preservation is no longer a responsible option.

Find your neighborhood

Get emergency tree service

Learn when removal makes sense

Frequently asked questions

When is the best time to prune trees?

For many deciduous trees, late fall through early winter is a strong pruning window. Fruit trees such as apples and pears often benefit from late-winter pruning, while spring-blooming trees do best when you prune them after they flower.

Can I trim my own trees?

Small, reachable cuts may be manageable, but a trained arborist should evaluate larger limbs, overhead work, mature trees, and structural pruning. Poor cuts can affect tree health and future growth long after the work is finished.

Do you prune fruit trees, shrubs, and ornamental trees?

Yes. We prune fruit trees and orchards as well as ornamental trees and shrubs. Timing and technique vary by species, flowering cycle, structure, and what you want the plant to do next.

Is cleanup included with tree trimming?

Yes. Cleanup and hauling of wood are included with our tree trimming and pruning work. We also provide free estimates for pruning projects.

What areas do you serve?

We serve Happy Valley, Lake Oswego, Milwaukie, Oregon City, West Linn, SE Portland, N/NE Portland to I-205, and Clackamas.

Request a tree assessment and quote!

We’ll chat with you, answer your questions, take a look at your trees, and talk about the next steps.

Or call (503) 929-9437 for more information.