Bulletin Archive
Bulletin Archive
Below is an archive of recent, selected articles from the quarterly Washington Park Arboretum Bulletin. Click the links to read.
Back issues of the Bulletin can also be viewed online for free at the Biodiversity Heritage Library.
Spring 2026
CONSERVATION CORNER: Shasta Snow-Wreath
Niall Dunne
Two Master Plan Projects Will Soon Improve Arboretum Accessibility
Niall Dunne, Rumi Tsuchihashi, Molly Dalessandro
The Camellia Collector
Niall Dunne
PLANT ANSWER LINE: Douglas Fir Tea: Ethnobotany and Health Benefits
Rebecca Alexander
Winter 2026
PLANT ANSWER LINE: Cyclamen History and Culture
Rebecca Alexander and Niall Dunne
New Plantings in the Collection: 2025 in Review
Ray Larson
A Climate Adaptation Plan for the Arboretum
Niall Dunne
Therapeutic Horticulture in Ukraine and Beyond
Tony Allison and Emilee Weaver
Fall 2025
HIDDEN TREASURE OF THE ARBORETUM: Sargent’s Cherry
Phil Wood
How Botanic Gardens Can Support the Urban Forest
Olivia Price and Emma Thordsen
Arboretum Waterfront Trail: Project Update
Niall Dunne
PLANT ANSWER LINE: The Alluring Beautyberry Bush
Rebecca Alexander
Summer 2025
Spring 2025
Sarracenias: Grow You Own Little Shop of Horrors
Ciscoe Morris
HIDDEN TREASURE OF THE ARBORETUM: Sierra Laurel
Walt Bubelis
Wang’s Chestnut: An Elegant New Introduction
Dan Hinkley
Lizard Haven: Restoring Habitat in an Urban Park
Niall Dunne
Design Your Own Native Food Forest
Theodore Hoss
Winter 2025
Fall 2024
90th Anniversary Tree Tour of the Arboretum
Ray Larson and Niall Dunne
Sweet Sassafras
Walt Bubelis
Unusual Edible Roots and Rhizomes
Rebecca Alexander
Hidden Treasure of the Arboretum: Scarlet Oak
Theodore Hoss
Summer 2024
Safeguarding the Florida Torreya
Jason Morse
Urban Meadow Gardens
Shannon Nichol
Tried & True: Hardy Succulents for the Pacific Northwest
Phil Wood
Spring 2024
HIDDEN TREASURES OF THE ARBORETUM: Pacific Ninebark
Theodore Hoss
Partnerships for Nature
Tony Allison
Smart Choices for Modern-Day Hedges
Christina Pfeiffer and Walt Bubelis
PLANT ANSWER LINE: The Many Uses of Irises
Rebecca Alexander
Winter 2024
New Plantings in the Arboretum: 2023 in Review
Ray Larson
Hothouse Flowers: The New UW Biology Greenhouse
Niall Dunne and Walt Bubelis
Our Majestic Mountain Hemlock
Theodore Hoss
Women Botanists and Botanical Artists: Part 6
Brian Thompson
Fall 2023
Notes on the Woodland Garden
Jason Morse
The Hyde Herbarium: Plant Science and Volunteer Legacy
Eve Rickenbaker
HIDDEN TREASURES OF THE ARBORETUM: Japanese Spicebush
Barbara Blossom Ashmun
Summer 2023
Woody Members of the Mint Family
Phil Wood
Bigleaf Maple: A Native Tree with a Lot to Offer
Theodore Hoss
Hort Humor: The Garden is a Dangerous Place!
Barbara Blossom Ashmun
Rhododendron Glen Restoration Completed
Niall Dunne
Spring 2023
Tried and True Groundcovers for the Northwest Garden
Janine Anderson
A Native Tree Tour of the Arboretum
David Zuckerman
HIDDEN TREASURES OF THE ARBORETUM: Sichuan Mountain Ash
Jason Morse
Winter 2023
New Plantings in the Arboretum: 2022 in Review
Ray Larson
Restoring the Hydrology and Biodiversity of Arboretum Creek
Larry Hubbell
Women Botanists and Botanical Artists: Part 5
Brian R. Thompson
Fall 2022
Arboretum Master Plan Turns 21
Clare McLean
PLANT ANSWER LINE: Leaf Skeletons and Shadows
Rebecca Alexander
Parallel Art Forms: Garden Design and Photo Composition
Jason Morse
The Nishitani Family and Northwest Horticulture
Walt Bubelis
Summer 2022
Olmsted and the Washington Park Arboretum
Jennifer Ott, interviewed by Jason Morse
Olmsted’s Design Principles in the New Zealand Forest
Andy Mitton
Friends of Seattle Olmsted Parks: History and Mission
Shauna Revello Wilson and Donald Harris
Spring 2022
Climbing Hydrangea in the Arboretum
Niall Dunne
Snakebark Maples of the Arboretum
Phil Wood
Gauging Resistance: My Azalea Lace Bug Research in the Arboretum
Ryan R. Garrison
Winter 2022
Willows of the Arboretum
Daniel Mount
New Plantings in the Arboretum: 2021 In Review
Ray Larson
Nettles for Textiles and Paper
Rebecca Alexander
Fall 2021
Fall Larches and Other Deciduous Conifers
Rebecca Alexander
Hidden Treasure of the Arboretum: Striped-Bark Maple
Phil Wood
Arboretum Reflections: A Conversation with Dan Hinkley
Jennifer Ott
Summer 2021
Pacific Connections in Your Backyard: 15 Choice Plants to Grow
Janine Anderson
Designing the McVay Courtyard: A Conversation with Iain Robertson
Jennifer Ott
Hidden Treasure of the Arboretum: Mountain Stewartia
Niall Dunne
Mapping Western Red Cedar Decline
Niall Dunne
The Arboretum’s Oak Collection
Dirk Giseburt
Spring 2021
Tried and True Grasses for the Northwest Garden
Janine Anderson
An Interview with Fred Hoyt
Jason Morse
Hidden Treasure of the Arboretum: Catalina Ironwood
Walt Bubelis
Winter 2021
Fall 2020
Hidden Treasure of the Arboretum: Korean Maple
Niall Dunne
Japanese Maples: Five Stunning Cultivars for Your Garden
Jason Morse
Tried & True Shrubs: Versatile, Easy-Care Plants for the Northwest Garden
Barbara Blossom Ashmun
Edible Uses of Conifers
Rebecca Alexander
Summer 2020: Japanese Garden Special Issue
Designed in the Stroll-Garden Style
Corinne Kennedy
Excerpts: Newly Translated Articles by the Japanese Garden Creators
Niall Dunne
Honoring the Design Intent
Pete Putnicki
Spring 2020: Earth Day 50th Anniversary Special Issue
Our Four-Legged Fauna
Larry Hubbell
Alternatives to Borer-Susceptible Birches
Roy Farrow
Memorializing Family and the “Boys in the Boat”
Niall Dunne
Earth Day 2020 and Our Commitment to Sustainable Horticulture
Niall Dunne
Winter 2020
New Plantings in the Arboretum
Ray Larson
The Flora of New Zealand’s Arthur’s Pass
Janine Anderson
IN A GARDEN LIBRARY: Women Botanists and Botanical Artists
Brian R. Thompson
Fall 2019
Hidden Treasures of the Arboretum: Daimyo Oak
Daniel Mount
Invasive Insects of the Pacific Northwest
Patrick Tobin
Summer 2019
Elements of Design: Time and the Garden
Corinne Kennedy
Hidden Treasures of the Arboretum: Clethra barbinervis
Niall Dunne
The Desert Garden at the Anderson School
An Interview with Riz Reyes, by Phil Wood
Spring 2019
Restoring Rhododendron Glen
Jane Stonecipher
Hidden Treasure of the Arboretum: Tetracentron sinense
Dan Hinkley
Unusual Ornamental Woody Edibles
Rebecca Alexander
Winter 2019
Fall 2018
My Colorful Island Beds
Barbara Ashmun
Hidden Treasure of the Arboretum: Sorbus commixta
Niall Dunne
Elements of Design: Texture in the Garden
Janine Anderson
Fall 2015
Hidden Treasure of the Arboretum: Dawn Redwood
Christina Pfeiffer
Persian Ironwood: A Tough Tree With Stunning Bark and Fall Foliage
John A. Wott