835 posts in News

Sep 26, 2021 / Washington Park Arboretum, Horticulture, News / UWBG Horticulturist, Roy Farrow

Fall Selections at the Washington Park Arboretum

Photo of American Smoketree

1)         Cotinus obovatus                                                           American Smoketree

One of the earliest and most stunning of fall color plants, the leaves of Cotinus obovatus become a palette of orange, purple and crimson.
One specimen can be seen along Arboretum Drive, just south of the Graham Visitor Center.  Another specimen that is already in full glory is located on Azalea Way near the southern intersection of the Arboretum Loop Trail. 

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Sep 23, 2021 / Rare Care, Research, News / carragee

Rare Plants and a Changing Climate

By Maya Kahn-Abrams
Over the past five months I have been immensely privileged to work on several of Rare Care’s projects restoring our beloved native rare plants all over Washington state. From hot July afternoons helping map shimmering meadows of pink Wenatchee Mountains checkermallow (Sidalcea oregana var calva) and purple Wenatchee larkspur (Delphinium viridenscens), to epic early mornings counting baby seedlings of White Bluffs bladderpod (Physaria douglasii ssp. 

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Sep 23, 2021 / Rare Care, News / carragee

Cusick’s Camas

By Paul Slichter
Local botanists have long recognized several patches of an odd camas growing above the Klickitat River. They didn’t quite match the Suksdorf’s camas (Camassia leichtlinii ssp. suksdorfii) or common camas (both C. quamash ssp. breviflora and ssp. quamash) which are the local camas in the area.
Fortunately, Susan Kephart, a specialist in camas taxonomy, was invited to look at the unusual camas by local plant enthusiast, Barbara Robinson. 

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Sep 13, 2021 / Washington Park Arboretum, Horticulture, News / UWBG Arborist, Shea Cope

September Specials at the Washington Park Arboretum

Photo of Delavay's Schefflera

1)   Schefflera delavayi                                                                 Delavay’s Schefflera

Unlike the Schefflera houseplant that may seem familiar to some, this interesting character is cold hardy and grows exceptionally well in outdoor Pacific Northwest settings.
Bold evergreen leaves form an umbrella-like canopy. As the new leaves slowly develop, they are covered in tan indumentum, but eventually become a beautiful dark green.
Pale yellow flower spikes reaching upwards of three feet emerge in early autumn for a unique display. 

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Climate-Ready Plant Trials Underway at UW Botanic Gardens 

Soo-Hyung Kim and David Zuckerman checking on Lagerstroemia Center Stage®'s first blooms in late July.

“This trial is significant as it really does put data to the observations–not just qualitatively, but quantitatively–about how plants are performing,” says Ray Larson, Curator of Living Collections at UWBG.

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Sep 4, 2021 / History, Washington Park Arboretum, Center for Urban Horticulture, Personal Profiles, News / Jessica Farmer, UW Botanic Gardens, and Niall Dunne, Arboretum Foundation

In Memoriam: John A. Wott

Community members share their memories of Director Emeritus John Wott.

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Sep 3, 2021 / News / Perry Acworth, UW Farm Manager

UW Farm Weekly Dirt: Purslane and Volunteers

Around The Farm
For the third year, the UW Farm is hosting an AmeriCorps volunteer, a full-time 10-month position to help the Farm Manager with production, education and assists with all aspects of running an urban, campus farm,  This is a unique opportunity for the volunteer who learns all aspects of an urban farm. In return AmeriCorps members act as mentors, lead programs and support the Farm Manager
AmeriCorps is a federal program that lists positions across the nation, “connecting individuals and organizations to tackle the nation’s most pressing challenges.” AmeriCorps is a federal agency that funds organizations to make positive impact in communities.  

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UW Botanic Gardens Makes Major Contribution to Tree Book

Larix occidentalis (western red fir) collected from the Washington Park Arboretum for the book.

“It was probably the largest request we’ve ever received, which really speaks to the breadth of our collection and that we can grow so many kinds of trees in our temperate climate,” says Larson.

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Aug 22, 2021 / Washington Park Arboretum, Horticulture, News / Joanna Long, UWBG Horticulturist

Late Summer Interest at the Washington Park Arboretum

Photo of Oakleaf Hydrangea

1)    Hydrangea quercifolia ‘Brido’                                                      Oakleaf  Hydrangea

Oakleaf Hydrangeas are native to the American South and are prized in horticulture for their distinctive oak-shaped leaves, reddish peeling bark, and large pyramids of flowers.
‘Brido’ features large double flowers that morph from white to pink with age.
You can find these showy shrubs around the Graham Visitors Center’s southern patio.

2)    Billardiera longiflora                                                                        Climbing Blueberry

This small evergreen vine is native to Australia and is most common in Tasmania, but also grows in New South Wales. 

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Aug 19, 2021 / Rare Care, Research, News / Wendy Gibble

Counting the Endangered Wenatchee Mountains Checkermallow

Picture of volunteers in meadow with flagging to mark checkermallow plants

We can now answer the question, with a high degree of confidence, of just how many Wenatchee Mountains checkermallow (Sidalcea oregana var. calva) plants there are. That’s due to a 9-year effort to count and map its largest known population at Camas Lands near Peshastin, WA. This population holds nearly 90% of all known individuals of this species; therefore, it is important to know how large this population is and how it is changing over time. 

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