*Hot Peppers! From seed to salsa
Master Gardener WebinarFREE. Registration Required. Learn about the planting and growing process of peppers, and how it relates to Latin culture. We will focus our time on tips to effectively grow peppers,...
50 events found.
Canceled *PRUNING PALOOZA
The Gazebo, WCMGA Learning Garden at Jenkins Estate 8005 SW Grabhorn Rd, Beaverton, OR, United StatesFREE. Registration NOT required. Learn how to prune grapes, small fruit bushes, and other perennial plants found in the Learning Garden. Find answers to the burning questions: Where to start?...
Canceled INTRO TO MASON BEES
PCC Rock Creek Campus, Building 4 Room 103 17705 NW Springville Rd, Portland, OR, United StatesFREE. Registration NOT required. The first of three mason bee classes, this session addresses the biology, behavior, and natural history of the Mason Bee.
*BLUEBERRY CARE
PCC Rock Creek Campus, Building 4 Room 103 17705 NW Springville Rd, Portland, OR, United StatesFREE. 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...
DIG AND DIG SOME MORE TRUFFLES YOU MAY SCORE!
Master Gardener WebinarFREE. Click here to register What are truffles? Where are the best places to look for them? Are truffles rare? Is it true that all truffles are edible? The presentation...
Free
ROSE CARE
The Gazebo, WCMGA Learning Garden at Jenkins Estate 8005 SW Grabhorn Rd, Beaverton, OR, United StatesFREE. Registration NOT required. Master Gardener, Bill Klug, will guide the attendees through the steps of a yearly plan for rose care, including fertilizing and pruning. Bill will also offer...
RAISING MASON BEES
PCC Rock Creek Campus, Building 4 Room 103 17705 NW Springville Rd, Portland, OR, United StatesFREE. 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...
*DIGITAL PLANT PROBLEM DIAGNOSIS
Master Gardener WebinarFREE. 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...
PERENNIALS: HOW TO CHOOSE, PLANT, AND MAINTAIN FOR YEAR-ROUND FLOWERS
PCC Rock Creek Campus, Building 4 Room 103 17705 NW Springville Rd, Portland, OR, United StatesFREE. 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,...
PLANT PROPAGATION
The Gazebo, WCMGA Learning Garden at Jenkins Estate 8005 SW Grabhorn Rd, Beaverton, OR, United StatesFREE. 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...
*Conserving our World, One Plant at a Time
Master Gardener WebinarFREE 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....
CLEARANCE PLANT SALE!
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...
*GARDENING FOR BIRDS (WITH OPTIONAL BIRD HIKE)
PCC Rock Creek Campus, Building 4 Room 103 17705 NW Springville Rd, Portland, OR, United StatesFREE. 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...
DWARF CONIFERS FOR THE SMALL GARDEN: SELECTION, SITING AND CARE
PCC Rock Creek Campus, Building 4 Room 103 17705 NW Springville Rd, Portland, OR, United StatesFREE. 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...
*VENERABLE VEGGIES!!
The Gazebo, WCMGA Learning Garden at Jenkins Estate 8005 SW Grabhorn Rd, Beaverton, OR, United StatesFREE. 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...
Featured
MEET THE MASON BEES & FRIENDS
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...
*HOW COULD YOU NOT GROW GARLIC?
Master Gardener WebinarFREE. 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...
RAISING CHICKENS IN THE HOME GARDEN
PCC Rock Creek Campus, Bldg. 4, Room 104 17705 NW Springville Rd., Portland, OR, United StatesFREE. Registration NOT required. Learn the pros and cons of incorporating chickens into your home garden, and how to successfully care for your feathered friends!
BEES IN THE GARDEN
PCC Rock Creek Campus, Building 4 Room 103 17705 NW Springville Rd, Portland, OR, United StatesFREE. 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...
*NATIVE PLANTS AND THE BACKYARD HABITAT CERTIFICATION PROGRAM
PCC Rock Creek Campus, Building 4 Room 103 17705 NW Springville Rd, Portland, OR, United StatesFREE. 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...
OPEN GARDEN: INVERTEBRATES AND VERTEBRATES
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...
*HERBS!
The Gazebo, WCMGA Learning Garden at Jenkins Estate 8005 SW Grabhorn Rd, Beaverton, OR, United StatesFREE. 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...
LEARNING GARDEN FAIR
The Gazebo, WCMGA Learning Garden at Jenkins Estate 8005 SW Grabhorn Rd, Beaverton, OR, United StatesFREE. 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...
SUSTAINABLE LIGHT AT NIGHT: PRESERVING THE STARS IS NOT JUST FOR THE BIRDS
Master Gardener WebinarFREE. 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...
*LAWN BE GONE! WHAT NOW?
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...
*NATIVE PLANTS OF THE PACIFIC NORTHWEST
The Gazebo, WCMGA Learning Garden at Jenkins Estate 8005 SW Grabhorn Rd, Beaverton, OR, United StatesFREE. 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...
*PUTTING THE GARDEN TO BED
PCC Rock Creek Campus, Building 4 Room 103 17705 NW Springville Rd, Portland, OR, United StatesFREE. 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...
*WE STUDY GARDENS: AN UPDATE FROM OSU’S GARDEN ECOLOGY LAB
Master Gardener WebinarFREE. 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...
*DIVIDE AND CONQUER!
The Gazebo, WCMGA Learning Garden at Jenkins Estate 8005 SW Grabhorn Rd, Beaverton, OR, United StatesFREE. 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...
DIGGING AND STORING DAHLIA TUBERS
PCC Rock Creek Campus, Building 4 Room 103 17705 NW Springville Rd, Portland, OR, United StatesFREE. 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...
THIS IS KALAPUYAN LAND
Master Gardener WebinarFREE. 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...
MASON BEE COCOON CLEANING
PCC Rock Creek Campus, Bldg. 4, Room 104 17705 NW Springville Rd., Portland, OR, United StatesFREE. 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.
Houseplant Sale!
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....
WHAT GROWS HERE? EXPLORING OREGON’S PLANT DIVERSITY
Master Gardener WebinarFREE. 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...
*GROWING TOMATOES AND PEPPERS FROM SEED IN THE PNW
Master Gardener WebinarFREE. 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 CANCELED – MASON BEES 101
PCC Rock Creek Campus, Bldg. 4, Room 103 17705 NW Springville Rd, Portland, OR, United StatesCANCELED. 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...
*GARDENING WITH PACIFIC NORTHWEST NATIVE PLANTS
PCC Rock Creek Campus, Bldg. 4, Room 103 17705 NW Springville Rd, Portland, OR, United StatesFREE. 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...
*GROWING AND BELONGING: CULTIVATING COMMUNITY PARTNERSHIPS
Master Gardener WebinarFREE. 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...
GRAPE AND BLUEBERRY PRUNING
The Gazebo, WCMGA Learning Garden at Jenkins Estate 8005 SW Grabhorn Rd, Beaverton, OR, United StatesFREE. 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,...
BLUEBERRY CARE
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...
*PRUNING PERENNIALS
The Gazebo, WCMGA Learning Garden at Jenkins Estate 8005 SW Grabhorn Rd, Beaverton, OR, United StatesFREE. 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...
*CONSERVING INVERTEBRATES AT HOME
Master Gardener WebinarFREE. 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...
*RAISING MASON BEES
PCC Rock Creek Campus, Building 4 Room 103 17705 NW Springville Rd, Portland, OR, United StatesFREE. 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...
*THE VEGETABLE UNDERGROUND: A GUIDE TO GROWING ROOT CROPS
Master Gardener WebinarFREE. 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...
*LAWN BE GONE!
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 – Rain or Shine, shoppers and plants will be under cover at Gardenfest!
PCC Rock Creek Campus, WCMGA Education Garden H48Q+4P2 Bethany, Oregon, Portland, OR, United StatesGardenfest Plant Sale - Create beautiful gardens that thrive!
5000+ plants expertly selected for the PNW
*Gardening Education with Food Hero
Master Gardener WebinarFREE. 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,...
Gardenfest Clearance Sale/LAT Plant Sale
PCC Rock Creek Campus, Building 4 Room 103 17705 NW Springville Rd, Portland, OR, United StatesJoin 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
CONIFERS OF THE PNW: CHARACTERISTICS AND NATURAL HISTORY OF CONIFERS IN THE PINE FAMILY
PCC Rock Creek Campus, Bldg. 4, Room 103 17705 NW Springville Rd, Portland, OR, United StatesFREE. 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...
OPEN GARDEN: INVERTEBRATES AND VERTEBRATES
PCC Rock Creek Campus, WCMGA Education Garden H48Q+4P2 Bethany, Oregon, Portland, OR, United StatesFREE. 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...
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.