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Washington County Master Gardener Dragonfly LogoWashington County Master Gardeners™

Public Events

Washington County Master Gardeners sponsor a variety of gardening–related demonstrations, lectures, seminars and workshops in various Washington County Oregon locations. Most of our events are free and open to the public. Please join us at any of the events listed here and be prepared for a fun, interesting and informative event.

Event Locations

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Demonstration Garden events
Cornelius Public Library events
Forest Grove City Library events
Hillsboro Main Library (Brookwood Parkway) events
All other locations
Previous Events

Upcoming Events

Winter Pest

Natural Disease and Pest Control

Wednesday, May 29 2013 ◊ 6:30–7:30pm

Location: Forest Grove City Library    «map» 2114 Pacific Ave, Forest Grove

Free! No registration — just show up!

Presented by the Oregon State University Extension Service Master Gardener Program in partnership with the Dairy Creek Community Food Web, Forest Grove Community Gardens, and the Forest Grove City Library

A garden with no pests, no diseases and no problems! Although it's a sweet dream, it is seldom a reality. An OSU Master Gardener will share information that will help reduce or decrease the chances of developing problems and provide non–synthetic methods for dealing with them if they do occur. Topics will include Integrated Pest Management strategies for pest control and gardening practices that help prevent diseases in your garden.


Garden Easier Mailbox
Photo: Anna Stubbs

Adaptive Gardening:
Gardening Made Easier

Tuesday, June 11, 2013 ◊ 9:30–11:00am

Location: Washington Co. Fair Complex
Master Gardener Demonstration Garden
Map and directions

Free! No registration — just show up!

Presented by OSU Extension Master Gardeners in partnership with the Washington County Master Gardener Chapter

Still want to garden but need a little help? OSU Extension Service Master Gardeners Lynn Wagner, Jerry Anderson, and Jeannine Rychlik will share strategies and techniques so you may continue to garden without injury. Sprains, strains, and aching muscles don't have to be part of your gardening experience. Gain insight on ways to keep gardening safely and maintain a lifelong passion and a healthy activity. Examples of adaptive tools will be demonstrated.


Learning Garden Rowcover

Year–Round Vegetable Gardening

Wednesday, June 19 2013 ◊ 6:30–7:30pm

Location: Forest Grove City Library    «map» 2114 Pacific Ave, Forest Grove

Free! No registration — just show up!

Presented by the Oregon State University Extension Service Master Gardener Program in partnership with the Dairy Creek Community Food Web, Forest Grove Community Gardens, and the Forest Grove City Library

With their summer gardens going full swing many gardeners forget that it is time to plan and plant for their fall and winter gardens. Don't be one of them! An OSU Extension Service Master Gardener will lead you through the process of vegetable gardening for the fall and winter seasons. Topics will include bed preparation, what to plant and when, season extending techniques, when to harvest and more.


Demo Garden 3 bin Compost Example
Photo: Anna Stubbs

Backyard Composting

Friday, July 26 2013 ◊ 6:30–7:30pm

Location: Cornelius Public Library    «map» 1355 N Barlow St, Cornelius

Free! No registration — just show up!

Compost is often called "black gold" by gardeners. An OSU Extension Service Master Gardener will share the tips and techniques for turning your kitchen and yard waste into this valuable soil amendment.


Washington County Mason Bee Display
Photo: Anna Stubbs

Demo Garden Seminar:
Mason bees & other native pollinators

Tuesday, September 10 2013 ◊ 9:30–10:30am

Location: Washington Co. Fair Complex
Master Gardener Demonstration Garden
Map and directions

Free! No registration — just show up!

Presented by OSU Extension Master Gardeners in partnership
with the Washington County Master Gardener Chapter

Learn the life cycle, nesting habits and management of mason bees with Ron Spendal.


Geranium

Demo Garden Seminar:
Geranium Cuttings for Propagation

Tuesday, October 15 2013 ◊ 9:30–10:30am

Location: Washington Co. Fair Complex
Master Gardener Demonstration Garden
Map and directions

Free! No registration — just show up!

Presented by OSU Extension Master Gardeners in partnership
with the Washington County Master Gardener Chapter

Daisy Parquet will demonstrate how to take cuttings and to maintain them over the winter. Attendees are encouraged to bring their own "old" geraniums to this session.


Here it is...
Photo: Anna Stubbs

Demo Garden Seminar:
Fall Rose Pruning

Tuesday, November 12 2013 ◊ 9:30–10:30am

Location: Washington Co. Fair Complex
Master Gardener Demonstration Garden
Map and directions

Free! No registration — just show up!

Presented by OSU Extension Master Gardeners in partnership
with the Washington County Master Gardener Chapter

Learn how and practice with Master Gardener, Bill Klug, pruning the 32 roses at the demonstration garden. Attendees are encouraged to bring their own pruning tools and gloves.


Cocoon Cleaning Seminar
Photo: Anna Stubbs

Demo Garden Seminar:
Mason Bee Cocoon Cleaning Workshop

Tuesday, December 3 2013 ◊ 9:30–10:30am

Location: Washington Co. Fair Complex
Master Gardener Demonstration Garden
Map and directions

Free! No registration — just show up!

Presented by OSU Extension Master Gardeners in partnership
with the Washington County Master Gardener Chapter

Ron Spendal will demonstrate the sand cleaning process. Bring your own mason bee nests and/or cocoons to be cleaned.


Map and Directions to our Demonstration Garden

The Washington County Master Gardeners Demonstration Garden is located on the west end of the Washington County Fair Complex in Hillsboro.

Go west on Cornell Road after the main entrance, turn left onto NE 25th, and make a sharp left turn onto NE 28th.
Enter the fairgrounds at the Fairplex Clover Leaf entrance. The Garden is on the left.

882 NE 28th Ave, Hillsboro, OR 97123     «map»

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Previous Events Archive

Look some of your favorite events to be repeated in 2013!

Photo by Linda McMahan, OSU, Spanish Lavender
Photo: Linda McMahan, OSU

Growing Herbs

April 2012

Presented by OSU Extension Master Gardeners in partnership
with the Hillsboro Parks & Recreation Department

Growing herbs can be a sensory delight. There are culinary herbs, aromatic herbs and herbs that attract beneficial insects. But considering the high cost of fresh herbs why not grow your own? An OSU Extension Service Master Gardener will share the tips, techniques and plant recommendations for starting your own herb garden. Topics covered will be starting your beds, planting times, maintenance and harvesting. OSU Extension Service recommended varieties will also be shared.


Photo by Tim Lanfri
Photo: Tim Lanfri

Fall & Winter Vegetable Gardening

June 2012

Presented by OSU Extension Master Gardeners in partnership
with the Hillsboro Parks & Recreation Department

With their summer gardens going full swing many gardeners forget that it is time to plan and plant for their fall and winter gardens. Don't be one of them! An OSU Extension Service Master Gardener will lead you through the process of vegetable gardening for the fall and winter seasons. Topics will include bed preparation, what to plant and when, season extending techniques, when to harvest and more.


Mastering Your Life Series

June, July, Aug 2012

Come learn from the Masters! Master Gardeners are on hand to answer all your gardening and pest questions. Master Food Preservers will be demonstrating how to preserve berries, peaches and tomatoes; and they will answer your preserving questions. Master Recyclers will be available to help you reduce, reuse and recycle!
For other Food Preservations classes click here.
Click here for information about the Master Recycler Program.


Photo by Anna Stubbs, 2010 Idyllic garden path
Photo: Anna Stubbs

DOG DAYS OF SUMMER GARDEN TOUR 2012

July 2012

This garden tour will include the outstanding MG Demo Garden and SIX Washington County Master Gardeners will open their home gardens to the public. All gardens reflect the MG philosophy of sustainable gardening practices. Our garden tours resume in 2014. more info »


Washington County Master Gardeners Demo Garden
Photo: Anna Stubbs

Garden Thyme at the Washington County Fair

July 2012

Bring your plants, bugs, and questions and get information to help with any of your home gardening activities. Attend a "Garden Thyme" information session on a variety of topics. Kids are invited for garden activities!
...read more »


Home Garden Irrigation Techniques, Drip Irrigation

Presented by OSU Extension Master Gardeners in partnership
with the Washington County Master Gardener Chapter

How to best set up a drip irrigation system for your vegetable beds, containers and flower beds


Tomato Tasting 2011
Photo: Anna Stubbs

Tomato Tasting

September 2012

Join the Washington County Master Gardeners as we test, taste and tally tomatoes ....
...read more »


Dahlia Tuber
Photo: Anna Stubbs

Dig and Divide Your Dahlias

November 2012

Master Gardener Bob Campbell will show dividing techniques using dahlias. Attendees are welcome to bring their own tools to practice.


Pruning Demo

Pruning Demonstration
and Workshop

February 2013

Sponsored by Tualatin Valley Garden Club
and the Washington County Master Gardener™ Association


Learn correct pruning techniques for fruit trees, grapes, blueberries, cane berries, rhododendrons, roses and other ornamentals. Demonstrations by experienced gardener volunteers and Bill Stone, professional tree pruner. Ask questions, practice on mature plants, and learn tool care as well.


Peach Rose
Photo: Anna Stubbs

Demo Garden Seminar: Rose Pruning

February 2013

Presented by Master Gardener Bill Klug

Learn how to prune roses and get hands–on experience as we prune the 35 roses at the demonstration garden. Attendees are encouraged to bring their own pruning tools and gloves.


Seedlings
Photo: University of Missouri Extension

Starting Seeds Indoors

February 2013

Presented by the Oregon State University Extension Service Master Gardener Program in partnership with the Dairy Creek Community Food Web, Forest Grove Community Gardens, and the Forest Grove City Library

One of the most cost effective ways to get a head start on your garden is to start seeds indoors. But if you are wondering why your plants do not look as good as the ones in the nurseries join an OSU Extension Service Master Gardener as they share the tips and techniques that will let you 'sow like a pro'!


Learning Garden Scarecrow

Starting Your Vegetable Garden

March 2013

Presented by the Oregon State University Extension Service Master Gardener Program in partnership with the Dairy Creek Community Food Web, Forest Grove Community Gardens, and the Forest Grove City Library

Are you thinking about starting a vegetable garden this year? Good for you! In this presentation, an OSU Extension Service Master Gardener will walk you through the process of starting your own vegetable garden. This quick–start class will cover the basics of site selection, soil preparation, planting times, water and fertilization needs as well as general garden maintenance. Focus will be on the spring and summer gardens. OSU Extension Service recommended varieties of vegetables will also be shared.


Fresh Garden Vegetables

Seed to Supper Gardening Series

Dates: March and April 2013

Presented by OSU Extension Master Gardeners in partnership
with the Hillsboro Parks & Recreation Department, the Hillsboro Library and the Oregon Food Bank

Often, new vegetable gardeners, dreaming of lush, productive gardens, are frustrated with their lack of success. Don't let that be you! Come join an OSU Extension Service Master Gardener volunteer as they walk you through the process of starting your own vegetable garden. Topics covered will include bed preparation; soil amendment; garden planning, planting and maintenance; pest controls; harvesting and more. Focus will be on the spring and summer gardens. Participants will receive a list of OSU Extension Service recommended vegetable varieties and a copy of the 90–page Seed to Supper: A guide for beginning gardeners.


Cedar Mill Community Garden 2009

Beginning Gardener Roundtable

March 2013

Three Master Gardeners will present information on starting your vegetable garden. Topics covered are soil preparation and fertility, what to plant and when, and how to plant from seed and starts.


Hoffman Honeycomb
Photo: Oregon State University

Demo Garden Seminar:
Bees in Your Backyard

March 2013

Presented by OSU Extension Master Gardeners in partnership
with the Washington County Master Gardener Chapter and the Tualatin Valley Beekeepers Association.

Jerry Maasdam, of the Tualatin Valley Beekeepers Association, will address how and when to start bee keeping, costs, city requirements, and advantages of honey bees over other pollinators. Jerry has been keeping bees since 2006.



Bog Flowers at the Demo Garden
Photo: Anna Stubbs

Demo Garden Seminar:
Carnivorous Plant Dividing and Planting

April 2013

Presented by OSU Extension Master Gardeners in partnership
with the Washington County Master Gardener Chapter

A team of three Master Gardeners demonstrated how to dig, divide and re–plant carnivorous plants in the proper mixture of perlite and peat moss. Attendees were able to purchase carnivorous plants.



Washington County Demo Square Foot Garden
Photo: Anna Stubbs

Demo Garden Seminar:
Square Foot Gardening

April 2013

Presented by OSU Extension Master Gardeners in partnership
with the Washington County Master Gardener Chapter

Jerry Knott will share techniques for growing vegetables in very limited space by maximizing planting density, and limiting the need for thinning, watering, and weeding. Tips for bed construction and soil maintenance will also be provided.


2012 before the rush
Photo: L.W.
Before the 2012 rush!

Washington County Master Gardeners Plant Sale

April 2013

For our Annual Plant Sale in 2013 we filled the Kinton Grange basement with over 2,300 perennials and small shrubs. The raffle this year was one of the best ever! Garden art vendors joined us outside. And, as always, your gardening questions were answered at a Master Gardener clinic. Make plans for next year to stock up on a plethora of affordable plants for your garden and landscape the last week in April!  


Tomato Plants

Demo Garden Seminar:
Tomato Planting 101

May 2013

Location: Washington Co. Fair Complex
Master Gardener Demonstration Garden
Map and directions

Presented by OSU Extension Master Gardeners in partnership with the Washington County Master Gardener Chapter

Vern presented the basics on how to select the tomatoes to plant; preparing the soil; how to help the plant develop a good root system; how to plant your plants; ideas for support methods; watering; and shared many other tips and ideas for getting the most out of the growing season in our area.



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