Propagation from Cuttings: A Practical Approach for Roses and Perennials. Speaker: Jason Crouch, Owner Fraser Valley Rose Farm. Presentation: Learn how to propagate roses and other perennials from cuttings with straightforward techniques and practical advice. This session will guide participants through every step of the process, from selecting cutting material to managing humidity, rooting, and aftercare. […]

Bellevue Demonstration Garden is again offering in-person workshops. These in-person workshops will spotlight Master Gardeners who have combined knowledge amounting to hundreds of years! Veteran and novice gardeners alike will benefit from these presentations derived from science-based research, personal experience and state-of-the-art methods. Workshops will consist of a 30-to-45-minute presentations in the park shelter followed by a […]

The Master Gardener Foundation of King County invites you to its 'Cool Plants, Hot Topics Plant Sale and Talks' at the Bellevue Botanical Garden. The theme for this annual event is 'Become A Pollinator Protector'.  In addition to garden talks by WSU Extension Master Gardeners and other well-known local horticulturalists, you are also invited to […]

Bellevue Demo Garden Harvest Festival When:  Saturday, September 20, 2025                 10am - 2pm Where: Bellevue Demo Garden                 15500 SE 16th Street                 Bellevue, WA 98007 Bring your family, friends and neighbors to […]

Fall Groundwork in the Natural Garden. Speaker: Laura Matter, Seattle Tilth. Presentation: Get a jump on spring by taking care of the garden in fall! Learn how to protect your soil, what to plant now, lawn care tasks to save you time next spring and tips for winterizing you garden. Find ways to encourage and take care […]

Creating a Cut Flower Garden. Speaker: Colleen Donahue, Extension Master Gardener. Presentation: Have you ever dreamed of growing you own fresh flowers? Colleen will share her extensive knowledge about growing flowers for cutting (and for pollinators!). You will learn about how to select your location, prepare your soil, select flowers and start seeds. Also discover how to […]

How to combine perennials, shrubs, and small trees for garden color throughout the year. Speaker: Cleo Raulerson, Extension Master Gardener. Presentation: Cleo will use photos of her exuberant, colorful garden to show how you can combine perennials, shrubs and small trees for garden color throughout the year. We will visit garden areas in multiple seasons to show […]

Creating a Happy Home for Houseplants. Speaker: Ann Amato, Production Manager at Secret Garden Growers, Propagation Asst. at Little Prince of Oregon. Presentation: Come prepared to learn how to grow beautiful indoor plants from a horticulturist who has grown a wide variety of different kinds over the last 2 decades. From the initial purchase,to years down the […]

Speaker: Christina Pfeiffer, Horticulture Educator, IA Certified Arborist. Presentation: In gardening, as with many things in life, timing can be everything.  Some of our long time “tried and true” methods may no longer be as effective as in the past.  Learn how to optimize key tasks and timing for a more sustainable and healthy landscape. […]

Speaker: Jim Olson, Extension Master Gardener. Presentation: Learn ways to get better results from your veggie gardening efforts.  In this class, learn how to better understand and use your gardening space, whether in ground or in containers. Also, learn how key practices such as fertilization, irrigation, integrated pest management, plant selection and planting dates, influence your […]