Apr 9, 2020 / UWBG At Home / Roy Farrow, Grounds Supervisor of the Washington Park Arboretum, Marooned in Snohomish

Dispatch from home: Early, small and pink

close up of flower cluster

In the spring of 1997 I came across an adorable little pink rhododendron called ‘Pink Snowflakes’. It was absolutely covered with small white flowers with a bright pink ruffled edge and a tiny smattering of pink dots in the throat. I brought it home and gave it a place of pride next to my driveway. Soon after a foraging deer rudely stepped on it, breaking off two thirds of the plant. 

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Selected Cuttings from the Home of Roy Farrow, WA Park Arboretum Grounds Supervisor

Close-up photo of Kalmiopsis leachiana

1)   Acer palmatum ‘Katsura’                                                             Japanese Maple

Japanese maples have been cultivated in Japan for over 300 years. While they are most known for their stunning fall colors, I personally enjoy them as much in the spring for their new leaf color.
‘Katsura’ is a cultivar which appears to have bright orange new leaves, but on closer inspection, the leaves are bright yellow with a red margin. 

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Apr 7, 2020 / Rare Care / Stacy Kinsell

Preserving Partnerships and Unique Habitats

Man in blue hat and red vest crouching to look at plants in a field

The Rare Plant Care and Conservation Program’s (Rare Care) partnership with the Washington Natural Heritage Program (WNHP) is invaluable and the relationships we build with their staff create a strong foundation for our program. As such, we like to spotlight the people we work with at WNHP like Joe Rocchio, the new Program Manager. Joe’s tenure for Heritage Programs began in 1999 when he worked for the Colorado Natural Heritage Program as a wetland ecologist. 

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April 2020 Plant Profile: Magnolia ernestii

magnolia ernestii

Magnolias magnolias magnolias! Where to begin?! These harbingers of spring have started to bloom! The Washington Park Arboretum has 250 magnolia tree specimens, with some impressively mature trees dating back to 1940. Lucky for us, the breadth and variety of the University of Washington Botanic Gardens’ collection means we should have a steady supply of magnolia blooms through the summer.
Of the 250 magnolia specimens, there are 38 species, subspecies and varieties (i.e. 

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Apr 1, 2020 / Rare Care, Research / Wendy Gibble

Seeding for the Future

View of White Bluffs and the habitat of White Bluffs bladder-pod with yellow flowers and bluffs that are sliding down the hill.

Last fall, the Rare Plant Care and Conservation Program (Rare Care) initiated a new study to investigate whether direct seeding is a viable alternative for establishing new populations of White Bluffs bladder-pod (Physaria douglasii ssp. tuplashensis). The only known population of this plant occurs at the Hanford Reach National Monument. It grows on the white bluffs along the east side of the Columbia River on a white cemented alkaline substrate rich in calcium. 

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Spring Transition at the Washington Park Arboretum

Photo of Chinese Winter Hazel

1)   Cornus mas                                                                            Cornelian Cherry

This yellow flowering tree that blooms in late winter to early spring, is native to southern Europe and southwestern Asia.
The common name refers to the fruit that matures in late summer.  The fruit has many cultural uses including jams, medicine, beverages, tools, and spears.
There is a grove of this Cornus at the Center for Urban Horticulture along NE 41st Street.  

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Mar 11, 2020 / News / UWBG Communication Staff

COVID-19 Update

Sequoia sempervirens, cultivar Adpressa


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Mar 9, 2020 / Washington Park Arboretum, Horticulture, News / UW Botanic Gardens Horticulturist

Arriba for Azaras!

Selected cuttings from the Washington Park Arboretum, March 3 - 16, 2020

Azara is a genus of plants native to the temperate and subtropical regions of South America. The Chilean name for these plants is Corcolén. The genus contains only ten species, four of which you can find growing here at the Washington Park Arboretum!  All species of Azara are evergreen shrubs to small trees.  Although some species of Azara are considered to be borderline hardy in our Pacific Northwest climate, we have had success growing them at the Arboretum. 

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March 2020 Plant Profile: Rhododendron moupinense

Rhododendon moupinense pink flower

This hardy, bright pink Rhododendron lights up the garden in late winter.

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Our 2020 Northwest Flower and Garden Festival Display: “Gateway to a Greener Earth”

Our 2020 Northwest Flower and Garden Festival Display

The following ex-situ conservation plants are all listed as endangered in their region of origin due to habitat loss and climate change:
1)   Araucaria araucana                                                                          Monkey Puzzle

This unique looking conifer is native to the Chilean Andes and considered a living fossil dating back over 60 million years.
The Mapuche Pehuenche people of the Andes value these trees for their edible seeds and spiritual significance. 

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