Washington State Nursery and Landscape Association (WSNLA)
Washington Association of Landscape Professionals (WALP)
American Nursery and Landscape Association/Association of Landscape Professionals
(AmericanHort)
Association of Professional Landscape Designers (APLD)
Washington Native Plant Society (WNPS)
Northwest Perennial Alliance (NPA)
American Horticultural Society (AHS)
Northwest Horticultural Society (NHS)
Northwest Fuchsia Society
Plant Amnesty
Seattle Tilth
Washington State Federation of Garden Clubs
WSU Extension - Gardening in WA State
Seattle Public Utilities - Natural Yard Care
Business Hours
Mon-Thurs, 7:30 a.m. to 4:30 p.m.
Summer Campus Hours
June 17 to September 2, 2019
Mon-Thurs, 6 a.m. to 10 p.m.
Fri, 6 a.m. to 5 p.m.
Sat and Sun, CLOSED
Fall Campus Hours