Huxley, A., ed. (1992). ''The New RHS Dictionary of Gardening''. Macmillan ISBN 0-333-47494-5.
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:Fully comprehensive work in four large volumes, each around 800 pages, describing over 50,000 plant species, also many detailed articles on gardening topics.
===Flora: The Gardener's Bible===
===Flora: The Gardener's Bible===
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Northeastern Garden Book (2001) ISBN 0376035242<br>
Northeastern Garden Book (2001) ISBN 0376035242<br>
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A staple of gardeners in the Western USA, the much more detailed zone information alone makes it invaluable. The plant encyclopedia, and tips on what to plant where are quite helpful. Illustrations in the encyclopedia portion are drawn, rather than photos.
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A staple of gardeners in the western USA, the much more detailed zone information alone makes it invaluable. The plant encyclopedia, and tips on what to plant where are quite helpful. Illustrations in the encyclopedia portion are drawn, rather than photos.