Urban Forestry

Featured Resources

Invasive Weeds in Forestland: English Ivy

Management options for English ivy in forest land: biological, chemical, and mechanical controls, plus grazing. Includes description of weed and its life cycle, history of infestation in the U.S. and West, and sources of more information.

OSU Extension Catalog

Invasive Weeds in Forestland: Himalayan & Evergreen Blackberry

Management options for Himalayan and evergreen blackberry in forest land: preventive steps, biological, chemical, and mechanical controls, plus grazing. Includes description of weeds and their life cycle, history of infestation in the U.S. and West, and sources of more information.

OSU Extension Catalog

What's killed my tree?

Are you one of the many woodland owners noticing continued signs of drought on your property? Drought impacts are complex; drought stressed trees become susceptible to insects and diseases that are naturally present (typically at low levels) in our woodlands. Take these four steps to help you identify what factors might be impacting your tree health.

By Norma Kline, | Article

Latest Resources

Tree School Clackamas teaches love for the land

Educational event draws hundreds from woodland community in Clackamas County and beyond.

By Glenn Ahrens, Rose Clarke, Michael Bondi, Kimberly Jacobsen Nelson | Article

Tree Pruning Basics

A properly pruned tree looks as natural as possible; the tree’s appearance reflects its fundamental form and character. The pruner must be sensitive to maintaining this structural integrity, in addition to knowing a bit about tree biology and proper pruning principles.

Article

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Latest News

Conifers naturally shed needles in summer and fall

Oct 7, 2016

You're not looking at the same needles over time

By Kym Pokorny | News Story

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Upcoming Events

Forest and Resource Management on the Parsons Property

Central Point, OR

Sat, Sep 21, 2019 1:30 pm - 5:00 pm

The Parsons Family has owned 166 acres near Howard Prairie Reservoir in southeastern Jackson County since 1937. Jud Parsons has been personally involved in the property for almost 70 years and will be...

OSU Extension Open House

Eugene, OR

Sun, Sep 22, 2019 12:00 pm - 4:00 pm

Stop by after the Eugene Parade to explore all of the programs your Lane County Extension office has to offer! Meet our staff and volunteers. Enjoy fun activities, games, and information, with ...

Trail Building Workshop - Matteson Demonstration Forest

Gaston, OR

Sat, Oct 5, 2019 10:00 am - 2:00 pm

THIS EVENT IS FULL. CALL SONIA (503) 397-3462 TO BE PUT ON A WAIT LIST Are you thinking about creating or improving walking trails on your property? Come to this hands-on workshop and work party to...

Meet Our Experts

Signe Danler

Master Gardener Online Program Instructor

Contact for questions about Online Master Gardener and Home Horticulture program

Brooke Edmunds

Community Horticulture, Master Gardeners

Contact me with gardening questions from Linn or Benton counties

Dan Leavell

Assistant Professor of Practice

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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Can you identify this black and white bug?

I have lived in Oregon all my life and never seen this kind of bug before, what is it? It's not very fast moving, this one wasn't anyway.

By Jean R. Natter | Featured Question

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