Clackamas County Extension

200 Warner Milne Road
Oregon City, OR 97045
United States

Office hours

Monday - Friday: 8:00 am-4:30 pm
Currently closed

Office fax

Phone

Clackamas County Extension

News & Announcements

Emergency Cooling Stations

Emergency cooling stations are located throughout Clackamas County. Check the list for one in your area. Read More...

Welcome to the new OSU Extension website

OSU Extension has been serving Oregon for more than 100 years, and our previous website launched in 2011. It was time for an upgrade! Read More...

Betsy Verhoeven, New Mid Valley Field Crops Extension faculty for Marion and Clackamas Counties

Willamette Valley native Betsy Verhoeven has joined the faculty in Marion and Clackamas Counties as Assistant Professor of Practice for Field Crops. Read More...

NWREC private tours offered!

Learn more about NWREC by signing up for a private tour! Read More...

    Our faculty, staff and volunteers provide:

    • Answers to questions and give advice by telephone, in person and email.

    • Informational tours, conferences, short courses, workshops and demonstrations.
    • Publications with specific research-based information on a variety of subjects.

    • Links to hundreds of research-based publications on our website.

    Upcoming Events

    SNAP To It! Farmers Market Tour

    Clackamas County Extension Event

    Sat, Sep 8, 9:15 am - 11:00 am
    Learn more at the Oregon City Farmers Market by walking the "Know your Farmer, Know your Food" tour and watching a chef demo a recipe using local, in-season produce available at the market at the Oregon City Farmers Market.

    SNAP To It! Farmers Market Tour

    Clackamas County Extension Event

    Sat, Oct 13, 9:15 am - 11:00 am
    Learn more at the Oregon City Farmers Market by walking the "Know your Farmer, Know your Food" tour and watching a chef demo a recipe using local, in-season produce available at the market at the Oregon City Farmers Market.

    Drones and Woodlands

    Event

    Tue, Aug 28, 4:00 pm - 6:00 pm
    Have you ever thought about having a drone, or wondered how one could be useful on your small woodland? OSU Extension’s Victor Villegas will give a talk on drone technology and research, and discuss potential applications for the small woodland owner. Weather permitting, there will also be a drone flight demonstration. Bring your questions and curiosity; Victor is a drone expert!

    From the Bud to Bin: Vineyard Management Effects on Yield

    Event

    Wed, Aug 29, 9:00 am - 12:00 pm
    This workshop will provide you with information about bud fruitfulness, how it is formed, and what effects vineyard practices such as pruning method (cane vs. spur), vigor level, and N fertilization have on yield potential and yield at harvest. Field visit in the McMinnville area included.

    Forest Thinning Tour

    Event

    Thu, Sep 6, 4:00 pm - 6:00 pm
    A tour for woodland owners to learn about commercial thinning of plantation Douglas-fir.

    Five Remarkable Women, Five Remarkable PNW Gardens - Monthly Lecture Series

    Metro area Master Gardener Event

    Mon, Sep 10, 7:00 pm - 8:00 pm
    Join us on for a presentation by Donald Olson, author of the new bestselling guide, The California Garden Tour—The 50 Best Gardens to Visit in the Golden State. Donald’s talk, “Garden Goddesses: Four California Women and their Legendary Gardens,” is an informative and entertaining introduction to four remarkable women who created gardens that are today among the greatest public gardens in the world.

    Earthquakes in Northwest Oregon - Monthly Lecture Series

    Metro area Master Gardener Event

    Mon, Oct 8, 7:00 pm - 8:00 pm
    In the Pacific Northwest of the US, the Juan de Fuca plate is being subducted under the North American Plate at the Cascadia Subduction Zone. What does this mean? Dr. Scott Burns will discuss the hazards of and the preparedness for ground shaking, liquefaction, landslides and tsunamis along the subduction zone. Much of our region was not thought to be an earthquake region, so earthquake building standards are fairly recent. How does this affect building codes, emergency preparedness, siting of critical facilities, building of bridges and transportation corridors in our region? What can we expect after a large quake? Dr. Burns will answer these questions!

    Clackamas County 4-H Tack and Bake Sales

    Clackamas County 4-H Event

    Sat, Oct 20, 8:00 am - 2:00 pm
    Support Clackamas County 4-H at the biannual sales at the Clackamas County Fair and Event Center in Canby. The Tack Sale features hundreds of vendors with new and used items for your barn and home. The Bake Sale has delicious items to take home. SERVICE animals ONLY.

    The Unknown History Portland’s Rose Test Garden- Monthly Lecture Series

    Metro area Master Gardener Event

    Mon, Nov 12, 7:00 pm - 8:00 pm
    Join us as Harry Landers explores the unknown history of one of Portland’s premier attractions: the International Rose Test Garden. The Garden serves as a trial ground for new rose varieties, as well as an exhibition space. It is the oldest continuously operating public rose test garden in the United States, covering 4.5 acres, and is home to more than 10,000 individual rose plants and approximately 650 varieties. Harry will tell us about the garden and what it takes to make it a World Class Garden and show piece of Portland.

    Leach Botanical Garden Plants and History- Monthly Lecture Series

    Metro area Master Gardener Event

    Mon, Dec 10, 7:00 pm - 8:00 pm
    Leach Botanical Garden, a model of sustainable and natural landscaping, is dedicated to the conservation of and education about northwest native plants. David Porter, Director of the Leach Botanical Garden will talk about the lives of John and Lilla Leach and the importance of this beautiful garden to gardeners everywhere.
    Ask an Expert

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