FREE. Registration NOT required. The second of three presentations on mason bees, focuses on the environmental needs of the mason bees, nesting behaviors of mason bees, nesting, and housing devices...
FREE. Registration Required, click here to register. Many people in the era of Covid-19 (SARS-CoV-2) were relegated to working at home including plant doctors. These same people started new gardens...
FREE. Registration NOT required. Perennial plants are amazing – they give the garden beauty and food for wildlife plus they create an ever-changing tapestry of color. On top of that,...
FREE. Registration NOT required. Learn how to make more of the plants you love using a leaf, a twig, or a piece of root. Master Gardeners Karen Anderson and Cindy...
FREE Webinar. Click here to register. Dr. Lauri Reinhold will give an overview of the National Clonal Germplasm Repository (NCGR) in Corvallis and the clonally propagated collections conserved there. Dr....
Click here for flyer Plants expertly selected for the PNW and Priced to Sell! Plants for flower‑filled gardens and bountiful harvests! Perennials, shrubs, annuals, select vegetables, and select natives. WCMGA...
FREE. Optional Bird Hike starting at 8am An introduction to creating a safe and supportive landscape for birds in your yard. It covers bird biology and behavior; what birds need...
FREE. Registration NOT required. Explore some of the myriad dwarf conifers for the home garden; learn proper siting and planting practices; observe techniques for ‘candling’ pines to control size; review...
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 Dan...
FREE. Registration NOT required. Family Friendly Event. Adults and children are invited to join the Washington County Master Gardeners as we celebrate the emergence of the 2022 mason bees. Learn...
FREE. Click here to register for webinar. This presentation will cover preparations for planting garlic including a bit on varieties, planting techniques and locations, fertilizer use, weed management, irrigation or...
FREE. Registration NOT required. Learn the pros and cons of incorporating chickens into your home garden, and how to successfully care for your feathered friends!
FREE. Registration NOT required. Family Friendly Event. Learn how to distinguish bees from wasps and flies; what our native bees need in terms of shelter, food, and nesting areas; what...
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...
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 some of the insects...
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’ and the Jenkins Estate’s historic...
FREE. Registration NOT required. In 2022, we held our first Garden Fair with activities for children, Master Gardeners on site ready to answer gardening questions, and tours of our beautiful...
FREE. Click here to register for webinar. Join us for an exploration of the night’s wondrous mysteries and the impacts of light pollution. Learn about how you can help in...
FREE. Registration NOT required. Session has been moved to a larger classroom at PCC RC - Bldg 7, Room 105. See map here. This session will cover methods to remove...
FREE. Registration NOT required. We are again offering one of the Learning Garden’s most popular classes. The native plant area of the garden provides the ideal setting for learning first-hand...
FREE. Registration NOT required. Fall is terrific timing for planning and completing tasks to prepare for winter, as well as to set up your garden for success year-round, whether it...
FREE. Click here to register for webinar. Since 2016, the Garden Ecology Lab at Oregon State University has studied local gardens, as well as the gardeners who tend these unique...
FREE. Registration NOT required. Multiplying your plants by dividing them can be one of the most satisfying methods of plant propagation. Some plants take a delicate touch; others respond well...
FREE. Registration NOT required. Learn how to dig and store dahlia tubers over winter. Participants will learn when and how to dig tubers in the Fall, various storage mediums and...
FREE. Click here to register. A brief history of the Kalapuyan people of the Willamette Valley and overview of the “This IS Kalapuyan Land” exhibition originally shown at the Five...
FREE. Registration NOT required. The third of three presentations on mason bees, this is a hands-on workshop. You will learn how to extract, clean, and store mason bees.
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....
FREE. Click here to register for webinar. More than 4,700 different plant species grow in Oregon, and OregonFlora provides information about all of them. Discover the why and where of...
FREE. Click here to register for webinar. Presentation will cover seeding, up potting, soil preparations, planting, sun protection, harvest and storage of tomatoes and peppers. * Class Approved for 1...
CANCELED. 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...
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...
FREE. Click here to register for webinar. Covers a framework to successfully form partnerships with community groups that have an interest in and need for sustainable gardening information. Describes three...
FREE. Registration NOT required. Improve crop production, plant health, and fruit quality. Learn how to prune your grapes and blueberries to improve air circulation and encourage new fruit producing stems. Better yet,...
FREE. Registration NOT required. Blueberries are easy and fun to grow. Learn about planting, fertilizing, plants selection and care for blueberries, including pruning techniques. Bring your own hand pruners and...
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...
FREE. Click here to register for webinar. Populations of many insect species are declining, but home gardeners can play an important role in their conservation, as yards are well positioned...
FREE. Registration NOT required. This class will cover the needs of mason bees and how to attract them to your area. Various nesting devices will be presented and discussed. *Approved...
FREE. Click here to register for webinar Root crops combine very high yields, exceptional flavor and nutrition, and excellent tolerance for storage. Learn how to handle most of the major...
FREE. Registration NOT required. This class will explain turf removal methods, options for what to plant in its place (e.g., ecolawn, drought tolerant plants, native plants). We will also discuss...
Gardenfest Plant Sale - Create beautiful gardens that thrive!
5000+ plants expertly selected for the PNW
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,...
Join Washington County Master Gardeners and PCC's LAT Club for a shared plant sale on Saturday, May 11 from 9am to noon. The Master Gardeners will be offering excess inventory...
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...
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...
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...
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...
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...
FREE. Registration NOT required. Enjoy tours of our beautiful garden with Master Gardeners on site ready to answer gardening questions. Fun, hands-on gardening activities for children. Join us for this...
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...
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...
In cooperation with the OSU Extension Service, the Washington County Master Gardener Association (WCMGA) provides relevant, research-based education and outreach to the public about horticulture and household pests. This information promotes sustainable practices that minimize risks to human health and the environment. The Washington County Master Gardener Association (WCMGA) sponsors a wide 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. The WCMGA is a 501c3 non-profit supported by hundreds of volunteers, who work to educate the public about sustainable, affordable gardening.
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.
© 2025 Washington County Master Gardener Association.
