Discover the microscopic worlds of moss and insects, create your own sustainable landscape, or botanical artwork masterpiece with our new class offerings! Read more
Wonder if your favorite tree is growing in the Arboretum? Now anyone can search a map and learn all about plants in the collection. Read more
Succulents continue to be popular plants for gardeners of all levels. Even though some might not be hardy over the winter, they are strikingly architectural annuals and easy to care for given the right conditions. Read more
UW Botanic Gardens Director, Sarah Reichard, recounts happy days studying in Costa Rica and invites you to join her for a tour in January 2015. Read more
Explore the park after dark! Read more
you are outside. The sun is shining, illuminating the new growth on the western red cedars. It’s been a great growing season and the plants at Washington Park Arboretum are thriving. The backdrop of evergreen trees is a lovely frame to all of the native and non-native plants in the collection. Now, if they would […] Read more->.
Posted on 20 August 2014 | 1:52 pm
Arboretum Tree Removal Notification: The week of 8/25/14, UWBG tree crew will embark on a project located in the Winter Garden (read about project below). 4 western red cedars will be removed due to negative impact to plant collections and garden encroachment. All pedestrian path detours and other safety considerations will be handled by tree […] Read more->.
Posted on 20 August 2014 | 11:52 am
Selected cuttings from the Washington Park Arboretum (August 11 – 24, 2014) 1) Poliothyrsis sinensis A rare and very attractive small flowering tree of upright, open habit. Originally brought from China to the Arnold Arboretum by E.H. Wilson. Big 6-8” mildly fragrant, creamy flower clusters (corymbose panicles) make a significant contribution to the August-September garden.[…] Read more->.
Posted on 17 August 2014 | 7:12 pm
Does anyone this know where our arboretum’s “lost” Enkianthus grove is located? By “lost”, I mean extremely well-hidden under a dense canopy of western red cedars and other trees. Enkianthus specimens previously “lost” in the overgrowth. Enkianthus are shade-tolerant shrubs, but NOT “black-hole” shade tolerant. Like most living plants, they do need light to […] Read more->.
Posted on 8 August 2014 | 3:16 pm
The first buildings to be added to the grounds of the Washington Park Arboretum were begun in 1985, as defined in the Jones and Jones Master Plan Update for the Washington Park Arboretum. It took almost ten years for the building plans to be finalized and the funds to be raised. Read more->.
Posted on 4 August 2014 | 11:22 am
Selected cuttings from the Washington Park Arboretum (July 21 – August 8, 2014) 1) Houpu Magnolia (Magnolia officinalis var. biloba) Unique bi-lobed leaf 8-12″ in length 4-8″ seed pods on display in late summer Located in grid 27-1W in the Rhododendron hybrid bed 2) Sargent Magnolia (Magnolia sargentiana var. robusta) Bears large […] Read more->.
Posted on 4 August 2014 | 1:15 am
This photo is of a native Thuja Plicata (common name; Western Red Cedar) and shows the great J-arm branches that these trees feature. Although the Puget Mill Company logged most trees on the site by 1900, this particular Thuja was perhaps overlooked by the loggers and is therefore one of the oldest and largest specimens […] Read more->.
Posted on 27 July 2014 | 2:18 pm