Cass Turnbull Garden

Tour the Cass Turnbull Garden

The Cass Turnbull Garden: Building a Resource for the Community

  • Honoring Cass Turnbull, PlantAmnesty’s late founder
  • Located at Kay Bullitt’s residence on Harvard Ave E, Capitol Hill
  • A future Seattle Parks and Recreation public garden

The Garden honors Cass as a horticultural leader and supports PlantAmnesty’s mission:

Provide Education, Resources, and Advocacy to Prevent Mal-pruning and Preserve Urban Greenspace

To read about the history and evolution of the garden, click the links below:

History of the Bullitt Estate and the Cass Turnbull Garden

The Evolution of The Cass Turnbull Garden 2017-2021

Cass Turnbull Garden Plan: Summer 2020

Watch us work!

Work Party Progress Reports

Cass Turnbull Garden Video!

Cass Turnbull Garden Benches

Cass Turnbull Garden Tour: March 2021

Webinar recording: Daniel Winterbottom speaking about the values of public parks (March 16, 2021)

Cass Turnbull Garden Update: April 2021

Cass Turnbull Garden Update June 2021

Cass Garden Contributors

Anderson Gardens (design)
Aurora Rents (discounted rentals)
CalPortland (gravel)
Caring Landscapes—George Ortiz (labor, materials, equipment)
Cedar Grove Compost (compost)
Children’s Hospital (plants, granite stones, labor)
Cline Rentals, Lynnwood (discounted rentals)
Columbian Gardens LLC (consultation, labor)
Edmonds Community College Horticulture Program (design)
Exteriorscapes—Cameron Scott (consultation, gravel, stone, labor, equipment)
Flourish NW—Emily Ross (irrigation consultation, supplies, labor)
Fluent Tree Care—Alan Lamb (labor, equipment, arborist chips)
Garden Designz—Michelle Scannell (plants)
Greener Living Solutions—Joanna D’Asaro (design, equipment)
Ground Up Landscape—Giovanni Anichini (labor, equipment)

Kathleen Day, Landscape Consultant LLC (design)
Kelley Gardening Service—Keith Kelley (hand washing station, labor)
Madison Park Tree—Todd VanOrden (arborist chips)
Major Tree Care—Andy Major (arborist chips)
Microsoft employees thru Day of Caring 2019 (labor)
Legendary Tree—Dana Harper (arborist chips, equipment, labor)
Out on a Limb Tree Services –Kathy Holzer (arborist chips, watering bags)
RedTailEdge Designs—Mary & Andrew Tuttle (design)
Rhizome d’etre Landscaping—Ruth Chaus (plants, supplies)
Seattle Parks and Recreation (consultation)
The Dirt Exchange—Gary Arc (gravel)
Thor Tree Company—Darrin Kuebler (stump grinding)
US Bank Employees thru Day of Caring 2017 (labor)
UW Landscape Architecture Program (design, construction)


180 volunteers who have contributed over 8,000 hours to the garden.