Resources
- Elisabeth C. Miller Library
- The Elisabeth Carey Miller Botanical Garden
- University of Washington Botanic Gardens
- University of Washington Botanic Gardens Center for Urban Horticulture
- University of Washington Botanic Gardens Washington Park Arboretum
- Rhododendron Species Foundation and Botanical Garden
- Edmonds Community College Restoration Horticulture Program
- South Seattle College Landscape Horticulture Program
- Hardy Fern Foundation
- Seattle Children’s PlayGarden
- Seattle Youth Garden Works
- Northwest Flower & Garden Show
- Volunteer Park Conservatory
- Dunn Gardens
- Bloedel Reserve
- Heronswood
- Kruckeberg Botanic Garden
- Lakewold Gardens
- Association of Professional Landscape Designers, Washington State Chapter
- The Northwest Perennial Alliance
- The Bellevue Botanical Garden
- Seattle Tilth
- Plant Amnesty
- Mountain to Sound Greenway
- Washington Native Plant Society
- Seattle Chinese Garden
- Powellswood
- Plant Science Lab, Seattle Central Community College
- Puget Sound Public Gardens