Clackamas County Master Gardeners

Ask a Master Gardener

Local Extension Office Information


Clackamas County

200 Warner–Milne Rd. Oregon City, OR 97045
Monday – Friday9 AM – 12 Noon and 1 PM – 4 PM


Multnomah County

2701 NW Vaughn St. Suite 450 Portland, OR 97210
Monday – Friday, 10 AM – 2 PM


Washington County

18640 NW Walker Rd. #1400 Beaverton, OR 97006
Monday – Friday, 9AM –12PM and 1PM – 4PM

Clackamas County Master Gardeners are the folks who put on the annual Spring Garden Fair, bringing together over 7,000 gardeners with over 150 plant and garden-art vendors.

Oregon State University Extension Service offers educational programs, activities, and materials without discrimination based on age, color, disability, gender identity or expression, marital status, national origin, race, religion, sex, sexual orientation, or veteran's status. Oregon State University Extension Service is an Equal Opportunity Employer. In reference to publications, events, or activities: Publications will be made available in accessible formats upon request. Please call 503-655-8631 for information. If you have a physical disability that requires special considerations in order for you to attend the event/activity, please notify the metro Master Gardener program at 503-655-8631 or