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

Community Forestry Day, March 11, 2017, 8:30 am - 2:30 pm, 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

Christmas Tree Genetics & Tree Improvement Webinar Series. Wednesdays, February 1 - March 1, 2017, 1:00 - 2:00 pm EST. Understanding genetics and tree improvement is critical to the success of your Christmas tree farm. There is no fee, but registration online is required. For more information contact Bert Cregg at or 517-353-0335.

Citizen Fire Academy: Home Protection and Fuels Reduction Workshop, Saturday, February 18, 2017, 9:00 am - 3:00 pm, Hopkins Demonstration Forest, 16750 S Brockway Rd, Oregon City, OR. This workshop is for woodland owners and others living in or near woodland areas. It will focus on how to assess fire risk around rural homes and in forest/landscape areas with wildfire hazards. This workshop is in conjunction with the final session of the Citizen Fire Academy. Registration is required by February 15. The cost is $15 for transportation and workshop materials. Dress for the field and bring your lunch. Coffee and refreshments will be provided. Call Jean to register at 503-655-8631 or or fill out registration form and mail in.

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
Share this