OSU Extension Service Master Gardeners™ are volunteer educators, neighbors, and on-the-ground researchers who serve their community with solid training in science-based, sustainable gardening and a love of lifelong learning.  


Our popular Lecture Series happens on the second Monday of the month from October to June. We also offer two educational events during the year along with our annual Spring Garden Fair in May. Please join us!


  • June 8: Lecture – Perennials:  How to Choose, Plant, and Maintain for Year-Round Flowers – a presentation by Lisa Graff
  • July 10 – 11: Oregon Master Gardener Assoc presents The Joy of Gardening. Early bird special until June 20 – Just $50.00!
  • October 10: Fall into Gardening – 9am – noon
  • October 12: Lecture – Hot Topics in Vegetable Gardening – a presentation by Chip Bubl
  • November 9: Lecture – Microplastics in Garden Soil presented by Anna Perry
  • December 14: Greens & Gather: A Holiday Workshop

10-Minute University™ is the trademark of short classes on essential gardening information.


May 1 & 2, 2027 at the Clackamas County Fairgrounds in Canby.



Metro Area  |   Washington County  |   Clackamas County  |   Multnomah County


The Clackamas County Master Gardener™ Association in collaboration and in support of Oregon State University Extension Service. OSU Extension Service prohibits discrimination in all its programs, services, activities and materials on the basis of race, color, national origin, religion, sex, gender identity (including gender expression), sexual orientation, disability, age, marital status, familial/parental status, income derived from a public assistance program, political beliefs, genetic information, veteran’s status, reprisal or retaliation for prior civil rights activity. (Not all prohibited bases apply to all programs.)