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Tree Care

Lynn Ketchum (Cropped from original)

Featured Resources

Tree thinning for health and vigor

Simple guidelines for thinning your woodlands call for removing undesirable trees and making room for the best ones.

Max Bennett, Stephen Fitzgerald | Jul 2017 | Article

The age old secret to tree planting is...

Green Side up and brown side down. Seriously, it is that easy! But, just in case you are a detail oriented person here are a few extra things to consider while getting those roots in the ground.

Lauren Grand | Nov 2018 | Article

Many forest insects are mistaken for tree killers

Found an insect in your tree? Chances are it's not a pest. Here's what to look for.

Amy Grotta | Jul 2019 | Article

Latest Resources

Can I save my split maple?

Q: The ice storm split my yard maple at the junction of its only two sections. The split runs straight down the middle of trunk about 18 inches. It is pulled apart about four inches but I might be able to ratchet ...

A: View answer | View all featured questions

Extension foresters note trend in redwood plantings, plan needs assessment

As landowners in western Oregon start to plant redwood trees more frequently, OSU Extension foresters plan a survey to determine why the tall trees have become popular.

Kym Pokorny | Jan 26, 2021 | News story

Wisteria care: Take out clippers twice a year and go to town

Before planting one, people should realize the effort involved in keeping them in bounds.

Kym Pokorny | Jan 8, 2021 | News story

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Latest News

Extension foresters note trend in redwood plantings, plan needs assessment

As landowners in western Oregon start to plant redwood trees more frequently, OSU Extension foresters plan a survey to determine why the tall trees have become popular.

Kym Pokorny | Jan 26, 2021 | News story

Wisteria care: Take out clippers twice a year and go to town

Before planting one, people should realize the effort involved in keeping them in bounds.

Kym Pokorny | Jan 8, 2021 | News story

After COVID-19 cuts down in-person Tree School, event re-grows online

The first Tree School Online session debuted with 300 registered participants. Since then, the live classes have rolled out with anywhere from 50 to 100 participants.

Jim Sloan | Jun 30, 2020 | News story

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Max Bennett
Forestry & Natural Resources
Alicia Christiansen
Forestry & Natural Resources
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Forestry
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State Fire Specialist
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Can I save my split maple?

Q: The ice storm split my yard maple at the junction of its only two sections. The split runs straight down the middle of trunk about 18 inches. It is pulled apart about four inches but I might be able to ratchet ...

A: View answer | View all featured questions

See More Questions