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The collection of the Elisabeth C. Miller Library, located at the UW Center for Urban Horticulture, contains over 14,000 books on gardening techniques, selecting and growing ornamental plants, vegetable and herb gardening, pests and diseases, garden design and history, gardens to visit, horticulture in an urban environment, botany and plant ecology, and native floras from around the world. It features books by Pacific Northwest authors specific to gardening, horticulture, native plants, ecosystems and habitats of the region. With registration, the Miller Library is open to the public for borrowing.
The Seattle Public Library and the King County Library System are also good sources for books on horticulture and gardening.