Washington County Master Gardener Association

CANCELLED *PRUNING PERENNIALS
2025-02-15 10:00 - 12:00 (America/Los_Angeles) | The Gazebo, WCMGA Learning Garden at Jenkins Estate, 8005 SW Grabhorn Rd, Beaverton, OR, 97007, United States
FREE. Registration NOT required.
In this class we’ll discuss and demonstrate pruning of various landscape perennials. We’ll start with general guidelines – when to prune, what to prune, and the proper use of pruning tools. Pruning specifics will be covered for a variety of Clematis, Hydrangeas, Roses and more, all of which are grown in the Companion Planting Garden within the Learning Garden at Jenkins Estate.
*Class approved for 1 hour Continuing Education credit for MG Perennials

Houseplant Sale!
2025-02-08 10:00 - 13:00 | OR
Don’t miss out on our Houseplants Sale! From lush ferns to vibrant succulents and flowering begonias – you’ll be sure to find your green companion here, mostly in $1-$10 range.
The sale is held at The Greenhouse, PCC Rock Creek Campus, 17705 Springville Rd, Portland, OR (Map to PCC Rock Creek).

Houseplant Sale Flyer (pdf)

*BLUEBERRY CARE
2025-02-08 10:00 - 12:00 | OR
FREE. Registration NOT required.
Blueberries are easy and fun to grow. Learn about planting, fertilizing, plant selection and care for blueberries, including pruning techniques. Bring your own hand pruners and garden gloves for some hands-on opportunity to prune.
Class will start indoors followed by a short walk outdoors to the PCC RC Learning Garden. Dress accordingly.
*Class approved for 1 hour Continuing Education credit for MG Perennials

LEARNING TO GROW AGAIN: OBSERVING, LISTENING, PLANNING
2025-02-04 19:00 - 20:00 | Master Gardener Webinar
FREE. Click here to register for webinar
Dr. Madsen will briefly share what she has learned during her first year as statewide program manager for the OSU Extension Master Gardener Volunteer Program—and how that knowledge and understanding are shaping her vision and plans for the program. The second part of her talk will be highly interactive, with opportunities for volunteers to influence the direction of the program in 2025 and beyond. She’s eager to hear your thoughts and ideas!

*MASON BEES 101
2025-01-25 10:00 - 12:00 | PCC Rock Creek Campus, Bldg. 4, Room 103, Building 4, 17705 NW Springville Rd, Portland, OR, 97229, United States
This class covers the identification and natural history of mason bees. Attendees will gain a solid understanding of the characteristics and activities of mason bees and why they are one of the earliest and best pollinators in our area.
*Class approved for 1 hour Continuing Education credit for MG Perennials

Houseplant Sale
2025-01-17 08:00 - 17:00 | OR

*SOIL - WHAT IT IS AND HOW IT WORKS
2025-01-07 19:00 - 20:00 | Master Gardener Webinar
FREE. Click here to register for webinar.
It’s ALL about soil! Most people only have a vague idea of what soil is and how it works. You will learn more than you ever thought possible from this lecture. The reason you are alive, what nutrients are, how soil stores water and nutrients. The fundamentals that ALL humans on the planet Earth should know!
*Class approved for 1 hour Continuing Education credit for MG Perennials

MASON BEE COCOON CLEANING WORKSHOP
2024-12-07 10:00 - 12:00 | PCC Rock Creek Campus, Building 4 Room 103, Building 4, 17705 NW Springville Rd, Portland, OR, 97229, United States
FREE. Registration NOT required.
This hands-on workshop will present why and how to extract and clean mason bee cocoons. Attendees can bring in their own nesting devices or they can use nesting devices that will be available. Cleaning materials will be made available.

The Wonderful World of Plants We Can Grow
2024-12-03 19:00 - 20:00 | Master Gardener Webinar
FREE. Click here to register for webinar.
Our climate has so much for so many plants, it can be difficult to choose. This is a festive sampling of surprises and new introductions – from olives to succulents, Manzanitas to Scheffleras – that love it here. Sean will also give an update on the progress of the Portland Botanical Gardens.

*PLANT PROPAGATION BY HARDWOOD AND SOFTWOOD STEM CUTTINGS
2024-11-16 10:00 - 12:00 | PCC Rock Creek Campus, Bldg. 4, Room 104, Building 4, 17705 NW Springville Rd, Portland, OR, 97229, United States
FREE. Registration NOT required.
Discover the magic of plant propagation in this two-hour class! Delve into the art of softwood and hardwood cuttings, exploring techniques for their successful growth. Learn to nurture and propagate plants effectively with hands-on guidance and expert tips. This is a hands-on class and you will take your new starts home, so bring your work gloves and garden scissors/pruners if you have them, and a box or plastic bag. We will provide the rest. Get a copy of the handout here.
* Class Approved for 1 hour of MG Education Credit

*INTRODUCTION TO GROWING BERRIES
2024-11-12 19:00 - 20:00 | Master Gardener Webinar
FREE. Click here to register for webinar.
Presentation will compare and contrast strawberries, raspberries, blueberries, and blackberries. Topics include longevity, space requirement, variety choices, expected time of harvest, quantity of harvest, cultural requirements (fertilizing, watering, pruning), and common pests and diseases.
* Class Approved for 1 hour of MG Education Credit

*GARDENING WITH PACIFIC NORTHWEST NATIVE PLANTS
2024-10-26 10:00 - 12:00 | PCC Rock Creek Campus, Building 4 Room 103, Building 4, 17705 NW Springville Rd, Portland, OR, 97229, United States
FREE. Registration NOT required.
Come learn about the native plans that thrive in the PNW garden, how to naturescape in support of wildlife and pollinators, and consider the possibilities the Backyard Habitat Certification Program offers through its customized yard assessment. (Repeat of 1/27/24 session)
* Class Approved for 1 hour of MG Education Credit

*MULCH MATTERS: BEYOND BARK
2024-10-01 19:00 - 20:00 | Master Gardener Webinar
FREE. Click here to register for webinar.
Covers everything you didn’t know you wanted to know about garden mulches: their many benefits, what types are best for different purposes, when and how to apply them and what mulches NOT to use. Includes living mulch – i.e., groundcovers.
* Class Approved for 1 hour of MG Education Credit

INTRODUCTION TO NATURE JOURNALING
2024-09-21 10:00 - 12:00 | The Gazebo, WCMGA Learning Garden at Jenkins Estate, 8005 SW Grabhorn Rd, Beaverton, OR, 97007, United States
FREE. Registration NOT required.
Learn how to use simple prompts and materials to more deeply connect and engage with nature, truly see the world around you, and draw and write about what you see. We’ll show examples and guide you through the process of creating a nature journal page in a fun, interactive environment. Reap the benefits of spending time with others in nature and learn a little something about plants and pollinators along the way. You’ll take home your first entry and the inspiration and knowledge you need to start your own journey of discovery anywhere you have access to nature. Bring your own journal, pens, and pencils to class or use provided paper and writing/drawing materials. For adults and children ages 10-17 accompanied by an adult. No experience necessary.

*GETTING WILD: SEVEN STEPS TO INCREASING BIODIVERSITY IN YOUR YARD
2024-09-03 19:00 - 20:00 | Master Gardener Webinar
FREE. Click here to register for webinar.
Covers steps to create healthy, productive gardens and help save our disappearing pollinators and birds. Includes planting native plants and is based on the work of Dr. Doug Tallamy.
* Class Approved for 1 hour of MG Education Credit

*MAKE COMPOSTING WORK FOR YOU
2024-08-17 10:00 - 12:00 | The Gazebo, WCMGA Learning Garden at Jenkins Estate, 8005 SW Grabhorn Rd, Beaverton, OR, 97007, United States
FREE. Registration NOT required.
Composting recycles yard and food waste, reduces greenhouse gases, and produces a free, high quality soil amendment. But do you find composting confusing, frustrating and not worth the bother? Come learn about the different composting options, tools and techniques that will make your composting easier.
* Class Approved for 1 hour of MG Education Credit

*HERBS
2024-06-22 10:00 - 12:00 | The Gazebo, WCMGA Learning Garden at Jenkins Estate, 8005 SW Grabhorn Rd, Beaverton, OR, 97007, United States
FREE. Registration NOT required.
Herbs are among the most prized crops in any garden. In this class, we will tour the Learning Garden ’Herb Spiral’ that features more than 40 herbs that thrive in our PNW climate. Master Gardeners will share information about the growing, harvesting and storing of herbs as well as planting herbs in containers. A great way to start planning for or adding to your own garden areas.
* Class Approved for 1 hour of MG Education Credit

*GROWING VEGETABLES IN THE WILLAMETTE VALLEY
2024-06-08 10:00 - 12:00 | The Gazebo, WCMGA Learning Garden at Jenkins Estate, 8005 SW Grabhorn Rd, Beaverton, OR, 97007, United States
FREE. Registration NOT required.

Learn how to use raised beds and containers for the kinds of bountiful harvests you see at the Learning Garden at Jenkins Estates. Master Gardeners will demonstrate how to successfully plan, plant, and harvest vegetables in your home garden.
* Class Approved for 1 hour of MG Education Credit

*Integrated Pest Management: Optimize your Toolbox for Garden Production while Reducing Pesticide Use
2024-06-04 19:00 - 20:00 | Master Gardener Webinar
FREE. Click here to register for webinar
Learn strategies and build a step-by-step process to help determine what actions should be taken on your land or in your garden to contend with diseases, pests and weeds. Includes a focus on biological controls and what can be done to encourage natural and introduced controls. Logan Bennett is the Small Farms and Master Gardener Coordinator for Douglas County. He has a background in soils science and plant pathology.
* Class Approved for 1 hour of MG Education Credit

OPEN GARDEN: INVERTEBRATES AND VERTEBRATES
2024-06-01 10:00 - 13:00 | PCC Rock Creek Campus, WCMGA Education Garden, H48Q+4P2 Bethany, Oregon, Portland, OR, 97229, United States
FREE. Registration NOT required.
Family Friendly Event.
Join us in the garden for hands-on activities for the whole family that celebrate invertebrates and vertebrates. Learn about the insects and other wildlife in our garden and meet some farm animals from the PCC Rock Creek Farm, including the endearing miniature horse, Tootsie! Open Garden flyer

CONIFERS OF THE PNW: CHARACTERISTICS AND NATURAL HISTORY OF CONIFERS IN THE PINE FAMILY
2024-05-18 10:00 - 12:00 | PCC Rock Creek Campus, Bldg. 4, Room 103, Building 4, 17705 NW Springville Rd, Portland, OR, 97229, United States
FREE. Registration NOT required.
The Pacific Northwest (PNW) is one of the most diverse regions in the world for conifers. Our climate has much in common with many of the other areas of the planet where conifers are more common than flowering trees, making the PNW an ideal place to include both native and non-native conifers in the home landscape. This talk will focus on the pine family (Pinaceae). We will walk the PCC Rock Creek campus examining the foliage, cone, bud, and bark characteristics that differentiate spruce, true fir, hemlock, Douglas-fir, larch, and true cedar. A bit of natural history on each of these groups of conifers will also be discussed.

*Gardening Education with Food Hero
2024-05-07 19:00 - 20:00 | Master Gardener Webinar
FREE. Click here to register for webinar
Come learn about the innovative social marketing campaign of OSU Extension and OSU’s SNAP-Ed program, bringing to beginning gardeners free seeds, gardening guides and tips, grow calendars, and more to thousands of Oregonians. At this presentation, you’ll learn how Food Hero is aligned as an excellent partner for the Master Gardener program to reach and support low-income Oregonians, and ways we currently work together. We hope you leave inspired to connect to Food Hero in your community, and with new ways you can broaden your outreach to food insecure Oregonians.
* Class Approved for 1 hour of MG Education Credit

GARDENFEST PLANT SALE - Rain or Shine, shoppers and plants will be under cover at Gardenfest!
2024-05-04 09:00 - 13:00 | PCC Rock Creek Campus, WCMGA Education Garden, H48Q+4P2 Bethany, Oregon, Portland, OR, 97229, United States
GARDENFEST PLANT SALE
Rain or Shine, shoppers and plants will be under cover at Gardenfest.
Come shop for plants under the cover of PCC’s pole barn – still outside, but out of the rain.
Just follow the Gardenfest signs when you enter campus from Springville Road.
We hope to see you there!

Join Washington County Master Gardeners™ for a fun-filled day shopping for amazing plants, asking questions of our experts, getting free ‘how to’ guides, and visiting our Education Garden for ideas. Children’s activities & gardener gifts, too! Check WCMGA website for more details.

Click here for lists of all the plants we plan to offer at this year’s sale!
