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FREE. Advance registration required. What is the difference between true Arborvitae (Thuja spp.) and false Arborvitae (Chamaecyparis spp.)? What is the difference between false cedars (Thuja spp. and Chamaecyparis spp.)...
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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... |
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FREE. Advance registration required. News of crashing insect populations may make you feel hopeless about the future. However, there are many things you can do to make a real difference... |
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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... |
In collaboration with and in support of the OSU Extension Service Master Gardener Program, 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. 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.