Cass Turnbull Garden

The Cass Turnbull Garden: Building a Resource for the Community

  • Honoring Cass Turnbull, PlantAmnesty’s late founder and horticultural leader in the community
  • Supports PlantAmnesty’s Mission: Provide Education, Resources, and Advocacy to Prevent Mal-pruning and Preserve Urban Greenspace
  • Located at Kay Bullitt’s residence on Harvard Avenue East on Capitol Hill
  • A future Seattle Parks and Recreation public garden


Click on the photos below to learn more about the amazing history and evolution of the garden

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)
Pacific Topsoils (gravel, mulch)
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.