May 24, 2017 / History, Center for Urban Horticulture, Horticulture, News / John A. Wott, Director Emeritus UW Botanic Gardens

Glimpse into the past – the Master Gardener Plant Sale

Master Gardener Tent 2017

During the first weekend in May 2017, the Master Gardener Foundation of King County held its annual Spring Plant Sale and Garden Market on the grounds of the Center for Urban Horticulture.  As I browsed the vendors displaying plants and other garden art, I was impressed as to how much has changed as well as how much is still the same. 

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Selected Cuttings from the Washington Park Arboretum in May 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. 

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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. 

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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. 

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Apr 27, 2017 / News / David Zuckerman

Earth Day 2017 in the Arboretum with Student Conservation Association

Our eleventh Arboretum Earth Day event partnering with Student Conservation Association was the largest ever with 340 total participants!
Opening ceremony speakers representing the three Washington Park Arboretum partners; Paige Miller, Executive Director of Arboretum Foundation; Elizabeth Van Volkenberg, Interim Director of UW School of Environmental Sciences (UW Botanic Gardens academic arm); and Christopher Williams, Seattle City Parks and Recreation Deputy Superintendent addressed the attentive crowd of eager volunteers of how valuable our Arboretum is to the local community and the importance of continual community stewardship. 

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Apr 24, 2017 / Plant Profiles / Annie Bilotta

May 2017 Plant Profile: Taxodium distichum var. imbricatum

bald cypress cone

Is that dead looking conifer coming back to life? If it’s a pond cypress that delicate new green growth is a normal part of this deciduous conifer’s life cycle.

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Apr 20, 2017 / News / Jessica Farmer

Participate in a Seattle Parks Study

Seattle Parks and Recreation is undertaking a project to learn of ways to improve the specialty gardens in the Park system, including the Washington Park Arboretum. The project is funded by the Specialty Gardens division of the Seattle Parks Department and is being conducted by HR2 Research and Analytics.
HR2 Research and Analytics are conducting focus groups, with a $25 compensation (participants must confirm attendance with Haley Brown at hbrown@hr2researchandanalytics.com or 425-777-6718 -to receive compensation and ensure seating). 

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“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. 

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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).   

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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. 

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