PowellsWood Garden
430 S Dash Point Rd, Federal Way, Washington
PowellsWood Garden blends the enchantment of a curated, English-style garden with the untamed allure of a Pacific Northwest forest. The cultivated 3-acre garden is filled with over 1000 plant species... Read More
Center for Urban Horticulture
3501 NE 41st St, Seattle, WA
Experience a vibrant hub of urban agriculture at the height of harvest season with UW Farm Manager Perry Acworth. She will guide us through this student-powered 1.5-acre production site, highlighting... Read More
We will be treated to a preview of Jenny Rose Carey’s latest book, “The Essential Guide to Bulbs: Grow a Bounty of Beautiful Bulbs in Gardens and Containers," to be... Read More
Explore alternative ways to capture garden moments in a journal, using word lists, sketching and more. Tap into the power of language and drawing to enlarge your experience and hone... Read More
Expedia Seattle Campus
1111 Expedia Group Way W, Seattle, WA
Expedia’s Ecological Horticulturalist/Arborist Jeff Daley will guide an exclusive tour of the Expedia Group Campus on the Seattle waterfront. This is a rare opportunity to experience an invigorating approach to... Read More
The science of nature and human health is remarkable – represented by thousands of studies that concern all people and all dimensions of health. Yet many are blind to the... Read More
Seattle Waterfront Park
1401 Alaskan Way, Seattle, WA
Join us for a walking tour of Seattle’s newest and boldest urban park, led by Richard Hartlage of Land Morphology, which provided planting design services for this expansive project. The... Read More
Plant propagation is an integral part of plant breeding as it requires learning how to make and grow seed and how to maintain the mother plants by division and cuttings.... Read More
A recording of this extremely popular and useful lecture is available for purchase and viewing through October 23, 2025. Pacific Northwest gardens often boast an enviable range of conifers and hardwoods, but successfully planting underneath them can be challenging due their substantial root systems, heavy water demands and expanding shade. In addition, misunderstandings about mature... Read More
Join horticultural experts Bess and Richie as they dig into the joys of autumn gardening. This lively webinar will highlight practical tips to keep your garden thriving through the season, and also explore perennials and grasses that shine in the fall garden, from vibrant foliage to late-season blooms. Review the essential chores that prepare your... Read More
Graham Visitors Center
2300 Arboretum Dr E, Seattle, WA
“Spooky Season" encompasses all that we love as the chill of autumn approaches: the imagery and customs associated with Halloween and fall, like ghost stories, cozy sweaters, crackling leaves underfoot and gathering mist. In this tour of the Washington Park Arboretum, UWBG Tour Guide and NHS Board Member Cynthia Welte will highlight striking autumnal color... Read More
Drawing from decades of experience in zone 7a, landscape horticulturist Warren Leach celebrates the rewards of cold-weather gardening in “Plants for the Winter Garden: Perennials, Grasses, Shrubs, and Trees to Add Interest in the Cold and Snow” (Timber Press, 2024). The title is an American Horticulture Society Book Award Winner and is lauded for its... Read More