320 posts in Washington Park Arboretum

Hydrangeas, Crape Myrtles and Giant Himalayan Lilies: Summer Delights at the Botanic Gardens

Summer is a great time to visit the UW Botanic Gardens and offers the best weather of the year to enjoy blooms and botanically interesting walks.

Read more

Jun 7, 2017 / What is Growing, Washington Park Arboretum, Plant Profiles, Education, News / Catherine Nelson, Tour Program Assistant

June “Plant” Profile: Discovering Slime Molds

Fuligo septica by Flickr user Scot Nelson

This month, instead of profiling a plant, we’ll be profiling a completely different kind of organism… slime molds!
In the fall of 2015, the Elisabeth C. Miller Library at the Center for Urban Horticulture held an art exhibit about slime molds: Now You See It, the Slime Mold Revelation! I had never head of these organisms and was intrigued by the art display and the amazing enlarged photographs of their fruiting bodies. 

Read more

May Brings Forth Selected Cuttings from the Pacific Connections Garden at the Washington Park Arboretum

Selected cuttings from the Washington Park Arboretum, May 22, 2017 - June 4, 2017

1)  Aristotelia chilensis                    Macqui

This small evergreen tree is native to the Valdivian temperate rainforest of Chile and Argentina.
This inconspicuous white flower yields a small black fruit, and is sometimes called Macqui or, Chilean Wineberry.
This plant and New Zealand’s Mountain Wineberry (A. fruticosa) can both be found in the Pacific Connections Garden.

2)  Prostanthera cuneata                    Alpine Mint Bush

This evergreen shrub is native to southeastern Australia. 

Read more

Selected Cuttings from the Washington Park Arboretum in May 2017

Selected cuttings from the Washington Park Arboretum, May 8 - 21, 2017

1)   Azara lanceolata

This large shrub is native to Chile and Argentina.
In spring, it is covered with fragrant yellow flowers.
Azara lanceolata can be found near parking lots #4 and #5 along Arboretum Drive.

2)   Cytisus x praecox                Broom

C. multiflorus x C. purgans
Pale yellow flowers are produced in axillary clusters.
Many Brooms and related plants are blooming now along Arboretum Drive in our legume collection. 

Read more

Spring – Better Late Than Never!

Selected cuttings from the Washington Park Arboretum, April 24, 2017 - May 7, 2017

 
1)   Acer palmatum  ‘Beni-maiko’                     Japanese Maple

The name Beni-maiko means “red dancing girl”, referring to the brilliant red-to-pinkish foliage that emerges in the spring.
This tree’s current color stands out vibrantly in the Woodland Garden.
Beni-maiko has been recognized by the Royal Horticulture Society and given the Award of Garden Merit for several recent years.

 
2)   Erica arborea                     Tree Heath/Giant Heather

Erica arborea is native to Africa, having populations in the Ethiopian Highlands, mountains of Ruwenzori, and the Cameroon Mountains. 

Read more

Apr 27, 2017 / History, Washington Park Arboretum, News / John A Wott, Director emeritus

Glimpse into the past – What a difference a day makes!

Aerial view of University of Washington Campus, 1940

There is a song which I used to sing all the time, “What a Difference a Day Makes”! Every day, the news is filled with stories about new plans to increase density and building heights in the city of Seattle, and especially in the University District. The University of Washington has just released a new Campus Master Plan which also increases building density and height. 

Read more

“Pretty please, with a cherry on top!”

Selected cherry tree specimens from the Azalea Way Promenade at the Washington Park Arboretum (April 10-23, 2017)

The following are five of the best flowering cherries suitable for growing in the Pacific Northwest. All have good resistance to brown rot blossom blight disease and are good choices size-wise for the home garden.  All specimens below are currently in some stage of flowering along our historic Azalea Way Promenade.
1)   Prunus  x yedoensis  ‘Akebono’                 Daybreak Yoshino Cherry

‘Akebono’ (“Daybreak”) – This form has pinker flowers than the original Yoshino-type, and the petals are more frilled. 

Read more

April 2017 Plant Profile: Corylopsis pauciflora

 
Corylopsis pauciflora, the buttercup winter hazel, is one of the most charming plants in the witch hazel family.  It features unique and colorful leaves, attractive and lightly fragrant flowers, fall color and is a good size for smaller gardens.  It is the smallest and most compact growing member of the genus.  The genus name means resembling (“opsis”) the leaf of a Corylus, or common hazel (though they are not related).   

Read more

Selected Cuttings from the Washington Park Arboretum

Selected cuttings from the Washington Park Arboretum (March 27 - April 9, 2017)

1)   Acer triflorum                Three Flower Maple

A small, slow-growing deciduous 20’ to 45’ tree, where it is native to Manchuria and Korea. An excellent landscape tree boasting light-grey vertically furrowed bark and vivid red and orange fall color. The specific epithet makes reference to its flowers, which are borne in clusters of three.
This tree was discovered by noted plant explorer, Ernest H. 

Read more

Spring Arrives at the Washington Park Arboretum

Selected cuttings from the Washington Park Arboretum , March 13 - 20, 2017

1)   Cornus mas                     Cornelian Cherry

A native of Europe, C. mas has been cultivated for centuries in Britain. Flowers are produced in February and March on the leafless stems in short-stalked umbels from the joints of the previous year’s wood.
Oblong-ellipsoid, fleshy, bright red fruit are produced in late summer, and are edible when ripe.
Found throughout the Arboretum, these shrubs or small trees are easily identified at this time. 

Read more
Back to Top