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Tree Care

Lynn Ketchum

Featured Resources

What’s Wrong With My Madrone?

This article briefly discusses the most prevalent madrone disease problems, then offers a broader perspective on the health of this southern Oregon native.

By Max Bennett, Dave Shaw, | Article

Tree Thinning for Health and Vigor

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

By Max Bennett, Stephen Fitzgerald, | 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.

By Lauren Grand, | Article

Latest Resources

Timber harvesting: a process of many decisions

Curious about what goes into planning for a timber harvest? This overview can help prepare you to make informed decisions throughout the process.

By Francisca Belart, Lauren Grand, | Article

Aggressive local efforts were key to limiting spread of sudden oak death disease in Oregon

Aug 19, 2019
Limiting sudden oak death’s spread in southern Oregon has proved to be a success.

By Chris Branam | News Story

Is my thirsty evergreen a goner?

See picture taken in Aloha, Oregon. Can these trees be saved?

By Amy Grotta, | Featured Question

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Latest News

Aggressive local efforts were key to limiting spread of sudden oak death disease in Oregon

Aug 19, 2019
Limiting sudden oak death’s spread in southern Oregon has proved to be a success.

By Chris Branam | News Story

Western Oregon conifers continue to show damage due to drought

Aug 2, 2019
It can take several years of drought to kill a large tree.

By Kym Pokorny | News Story

Treat your Christmas tree to vodka? Only if you want to waste it

Nov 30, 2018
OSU Extension expert busts myths about taking care of Christmas trees.

By Kym Pokorny | News Story

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Trees with fall colors line the streets
Urban Forestry

Upcoming Events

Establishing and Maintaining your Forest

Oregon City, OR

Sat, Sep 21, 2019 9:00 am - 12:00 pm

A full day of classes covering a wide range of topics important for NW forest owners, including forest health & maintenance, business management, wildlife & native plants, fire, non-timber forest ...

Establishing and Maintaining your Forest from Planting to Thinning

Salem, OR

Sat, Sep 21, 2019 9:00 am - 12:00 pm

#FNR

Don Kessi Tree Farm Tour

, OR

Sat, Sep 21, 2019 9:30 am - 3:00 pm

This year on Saturday, September 21 st starting at 9:30 a.m., the Lincoln County Chapter of OSWA plans to conduct it's annual tour to the Don Kessi Tree Farm, located in Blodgett, Oregon. This...

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Meet Our Experts

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Max Bennett
Forestry & Natural Resources
Alicia Christiansen
Forestry & Natural Resources
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Lauren Grand
Forestry
Dan Leavell
Assistant Professor of Practice
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Ask an Expert

Have a Question? Ask an Expert!

Ask an Expert is a way for you to get answers from the Oregon State University Extension Service. We have experts in family and health, community development, food and agriculture, coastal issues, forestry, programs for young people, and gardening.

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Is my thirsty evergreen a goner?

See picture taken in Aloha, Oregon. Can these trees be saved?

By Amy Grotta, | Featured Question

See More Questions