Speaker: Dell Brummet, Head Gardener at Elisabeth C. Miller Botanical Garden. Presentation: From the use of fire and boiling water to the impact of freezing cold temperatures, propagation can be very interesting. We will take a look at a handful of plants propagated from seeds and spores at the Elisabeth Miller Botanical garden and investigate what […]

Speaker: Colleen Donahue, Master Gardener. Presentation: Interested in growing your own flowers or vegetables from seed? Join Colleen as she shares her knowledge about growing a garden from seed. She will cover topics such as seed selection, how to set up your growing area for success, and how to keep seedlings healthy until planting time.  New […]

Speaker: Atsuko Gibson, Nursery Manager Rhododendron Species Garden. Presentation: With the record setting heat and drought during the summer season, our rhododendrons are stressed more than ever. This resulted in an increasing number of plants suffering from disease and pests. This presentation will introduce you to the common Rhododendron problems and help you manage them in […]

Speaker: Jim Olson, Master Gardener. Presentation: When does a plant become a weed? What circumstances favor weed growth? A whimsical look at how to identify, prevent, and control weeds.     Register

Speaker: Skye Pellecci, King Conservation District Educator. Presentation: In this presentation, you can expect to dive deep on all things weeds. Are all non-native plants weeds? What is the difference between a noxious weed and an invasive plant? Learn more about how these plants work, which weeds to watch for in the PNW, and get […]

Speaker: Gary Lewis, Author and Owner Phoenix Perennials. Presentation: Ground covers are widely thought of as purely utilitarian, but these plants also offer a diverse range of beautiful and intriguing options with a variety of colors, textures, and forms. They can unify a landscape and knit together plantings and hardscape. Gary will highlight tips and tricks […]

Speaker: Laura Watson, Master Gardener. Presentation: One of the most important elements of a beautiful and dynamic garden is layering.  Learn how to layer a garden by staggering foreground, middle-ground, and background to create an alluring and satisfying landscape.  Principals involved include repetition, scale, flow, depth, contrast, and focal points.  Laura’s easy speaking style and […]

Speaker: Sean and Allison McManus, Owners Spoken Garden. Presentation: Don’t let bareroot plants or bulbs intimidate you this spring. Learn from Sean and Allison how to confidently handle and plant bareroot perennials like Itoh peonies, coneflowers, and more. You’ll also learn bulb planting techniques and ideas to level up your bulb game with “Lasagna” layered […]

Speaker: Cassie Cichorz, WA Dept of Ag: Pest Management Program. Presentation: This presentation will cover the pests biology, detail threats, and highlight eradication efforts. It will focus on the rapidly spreading spotted lantern fly, and newly emerged Japanese beetle. Learn how you can help detect, prevent spread and protect Washington’s resources from invasive species. Register

Join us for the WSU Extension Master Gardener Plant Sale and Talks at the Bellevue Botanical Garden. Our popular plant sale returns in time for you to stock up and learn something new, all while enjoying the beauty of the botanical garden. Our theme is “Sustainable Gardening for Life.” The plant sale and talks are […]