Tree School

Registration for 2017 Tree School is now closed.

See you at Tree School on Saturday, March 25, 2017 at Clackamas Community College.

If you would like to receive a Tree School catalog in the mail, please contact the Extension Office at 503-655-8631 or contact the Tree School Registrar to be put on the mailing list.

If you would like more information about your well and/or well water, go to:

2016 Tree School handouts and presentations are now available.

2017 Tree School catalog, Saturday, March 25, 2017

Class Selection Guide


A Classes

B Classes

C Classes

D Classes

Registration instructions and form

Forestry and Christmas Tree Programs

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