Arboretum Bulletin

Header photo: River otter in the Arboretum wetlands (courtesy Larry Hubbell).

Our full-color horticultural and botanical magazine

Published since 1937, the Washington Park Arboretum Bulletin is a quarterly botanical and horticultural magazine. A benefit of Arboretum Foundation membership, it includes in-depth articles on the Arboretum collections and history, as well as general information of interest to botanists, gardeners, and plant lovers in the Pacific Northwest and beyond.

You can also purchase the Bulletin at the Arboretum Gift Shop for $5 per copy.

Spring 2024

CONTENTS

Page 2  Strong Roots, Bright Future — Jane Stonecipher

Page 3 HIDDEN TREASURES OF THE ARBORETUM: Pacific Ninebark — Theodore Hoss

Page 6  Lighting the Path: A Tradition of Mentorship at the Japanese Garden — Rumi Tsuchihashi

Page 11  FROM THE ARCHIVES: Location of the Arboretum Ideal — Hugo Winkerwerder

Page 12 Partnerships for NatureTony Allison

Page 16 Smart Choices for Modern-Day Hedges — Christina Pfeiffer and Walt Bubelis

Page 22 PLANT ANSWER LINE: The Many Uses of Irises — Rebecca Alexander

Page 26  IN A GARDEN LIBRARY: Historical British Gardeners and Botanists — Brian R. Thompson

Thanks to Our Sponsor!

The spring 2024 issue of the Bulletin was made possible by:

The Berger Partnership

For information on advertising/sponsorship opportunities—or to submit an article idea—please email the editor, Niall Dunne, or call him at 206-325-4510.

Bulletin Archive

Back issues of the Bulletin can now be viewed online for free at the Biodiversity Heritage Library. The digitization was paid for by a grant from the Institute of Museum and Library Services. We also publish select articles from past issues of the Bulletin on our news blog.

Volunteers Help Restore the Arboretum on a Special Earth Day

Volunteers Help Restore the Arboretum on a Special Earth Day

Volunteers working in the Holly Collection area during Earth Day 2024.More than 150 volunteers attended our annual Earth Day at the Arboretum work-service event on Saturday, April 20. They worked all morning under the supervision of the UW Botanic Gardens horticulture...

Last Remnants of the “Ramps to Nowhere” Removed

Last Remnants of the “Ramps to Nowhere” Removed

Workers demolishing the ramps in late winter, 2024. (Photo courtesy WSDOT)From February to mid-April 2024, construction crews on the SR 520 Bridge Replacement Project used enormous excavators to demolish the final remnants of the so-called “ramps to nowhere” on the...

Smart Choices for Modern-Day Hedges

Smart Choices for Modern-Day Hedges

Camellias can provide a colorful alternative to the ubiquitous English laurel hedge. (Photo: Chris Pfeiffer)Despite being old-fashioned, hedges remain popular with home owners because of their ability to provide privacy, block unsightly views, add beauty to the...