Tree Care & Identification

Please use the following links for information on tree care and plant identification

Elizabeth C. Miller Library

University of Washington:  Elizabeth C. Miller Library


Great Plant Picks

Plant recommendations for Pacific Northwest gardens



Plant pest and disease information


Northwest Horticulture Society

Horticulture information


Oregon State University: Landscape Plant images, information and identification

A very helpful resource!


Oregon State University: Trees of the Pacific Northwest

Identification resource for our Native Conifers


Street Tree Planting Procedures

Seattle’s guidelines for selecting street trees


The International Society of Arboriculture

Great books, great information and an overall great resource


The Plant Answer Line

The University of Washington’s reference service for gardeners


University of Washington Botanic Garden Center for Urban Horticulture

An international hub for plant research, information, teaching, and


Washington Native Plant Society

Information and pictures for Washington’s native plants


Western Washington Flora

Information and picture gallery