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.

Fall 2021


Page 2  Arboretum Icons—Jane Stonechiper

Page 3  HIDDEN TREASURE OF THE ARBORETUM: Striped-Bark MaplePhil Wood

Page 5  Renewing My Garden—Barbara Blossom Ashmun

Page 9  Influential Women of the Arboretum & CUH: Becky Johnson—John Wott

Page 10 “Climate Ready” Plant Trials at the UW Botanic Gardens—Clare McLean

Page 14: PLANT ANSWER LINE: Fall Color: Larches and Other Deciduous ConifersRebecca Alexander

Page 17 Other Deciduous Conifers in the Arboretum—Rebecca Alexander

Page 19 Arboretum Reflections: A Conversation with Daniel Hinkley—Jennifer Ott

Page 26  IN A GARDEN LIBRARY: New Books for Northwest Gardeners—Brian R. Thompson

Thanks to Our Sponsors!

The fall 2021 issue of the Bulletin was made possible by:

Carol Ottenberg
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.

Quest for Gold: Fall Color in Larches

Quest for Gold: Fall Color in Larches

Broadleaf deciduous trees such as maples and sourwoods aren't the only stars of the fall foliage season. Deciduous conifers such as larches and dawn redwoods also dazzle with colors ranging from bright yellow to orange to ruddy brown. Depending on the weather, peak...

Corporate Volunteers Return in Force to Help Restore the Arboretum

Corporate Volunteers Return in Force to Help Restore the Arboretum

Rockwell Automation mulched the Lilac Collection in April with UW gardener Roy Farrow (right).After a year-long pandemic-related hiatus, the Foundation's Corporate and Group Service Program is back in full swing. So far in 2021, eight local companies have sent...

Foundation Receives Generous Bequest

Foundation Receives Generous Bequest

The Arboretum Foundation recently received a bequest of more than $110,000 from the estate of Alec Bayless. A civic activist, lawyer, grape grower, and—with his wife, Ruthanna—world-traveler who lived on Mercer Island, Alec was involved at the Arboretum in the 1980s...