Trees and Forests

Family members arm in arm in front of scenic backdrop of foothills
Dee and Jack Thronson on left, Holly Hordichok on right. Clackamas County 2016 Woodland Farmer of the Year
Group of forest investigators wearing orange hard hats looking at forest conifer
Pest Scene Investigators at Kahl Forest
Attendees standing in dappled shade of oak woodland
Karen Saul speaking to WOWNet group about Oregon White Oak woodland restoration.
20 years of selective harvesting

Announcement Items

Tree School registration is now closed. Go to Tree School for more information.

Woodland Notes Newsletter Winter 2017 edition now available

Weed Management Field Day, Saturday, April 8, 8:30 am - 3:30 pm. Hopkins Demonstration Forest. Full spectrum weed management options in forestry and wildland management. This workshop is limited to 20 people. You can register online by April 6.

Community Forestry Day, April 8, 2017, 8:30 am - 2:30 pm. Activities for March 11 include a  workshop at 12:30 regarding amphibian surveys and their future pond restoration project. Come be part of this project at  Hopkins Demonstration Forest, 16750 S Brockway Rd, Oregon City, OR. Everyone welcome. Please let us know you're coming by contacting to be added for lunch. If you need more information contact Peter Matzka at

CCFFA Annual Meeting & Program, Thursday, April 13, 6:00 - 9:00 pm. Legend's Bar and Grill, Molalla, OR. Everyone welcome. Registration required.

Whole Farm Planning for Pest Management, April TBA: 8:30 am - 2:30 pm. North Willamette Researcha and Extension Center, Aurora, OR. Registration required. Contact to get on the list for more information.

 Forest Carbon Inventory and Marketing for Woodland Owners. Saturday, May 6. 9:00 am - 3:00 pm. Camp Adams, 18499 Hwy 211, Molalla. Contact to get on the list for more information.

Cover Crops and Soil Health Field Workshop. Tuesday, May 18. Location and details TBA. Contact to get on the list for more information.

Christmas Tree Farm Leases and Agreements. Monday, May 24, 6:30 - 8:30 pm. OSU Extension Annex, 200 Warner Milne Rd., Oregon City, OR.

Emerging Forest Health Issues and Best Management Practices. May TBA. 8:30 am - 2:30 pm. Vancouver, WA. Registration is required. Contact to get on the list for more information.

Tree School

Tree School, March 25, 2017.

Get Help:

Christmas Trees
Home Landscape

Introduction to Clackamas Extension Forestry

Growing and managing trees is a big business in Clackamas County. The OSU Extension Forestry program provides cutting edge education and research support for tree growers in Clackamas County.

Extension Publications

Natural Resources

Field Research

Field Research addresses local problems and needs.

Forest Landowner Resources

Service Provider Lists: up-to-date lists of contractor services

Forest landowner resources

Office and field consultations and visits.

Get involved

Find us on Facebook: OSU Forestry and Natural Resources Extension

Master Woodland Manager: volunteer training and community service


Demonstration and learning forests

Hopkins near Beavercreek and Ram's Dell near Dickey Prairie.

Frequently Asked Questions

(FAQs). See if yours is here!

Oregon Small Woodlands Association Annual Meeting
June 13, 3:00 – June 15, 2013
Roseburg, OR
OSWA’s 53rd Annual Meeting will be hosted by OSWA’s Douglas County Chapter at the Douglas County Fairgrounds. The theme is “Family forests our Legacy our Future – It’s a Family Thing”. The OSWA schedule includes: Thursday, June 13, OSWA Board meeting Friday, June 14, Program and Annual Membership meeting Saturday, June 15, Outstanding Tree Farmer of the Year and Howdy Neighbor woods tour Registration required. Contact OSWA for more information at 503-588-1813.
Field tour of Meripah Woodland
June 26, 2013
6:00 pm – 9:00 pm Twilight Tour
Estacada, OR
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