Essential Perennials

The Complete Reference to 2700 Perennials for the Home Garden


By Ruth Rogers Clausen

By Thomas Christopher

Photographs by Alan L. Detrick

Formats and Prices




$22.99 CAD




ebook $17.99 $22.99 CAD

This item is a preorder. Your payment method will be charged immediately, and the product is expected to ship on or around January 7, 2015. This date is subject to change due to shipping delays beyond our control.

Essential Perennials focuses on what every gardener needs to know to choose from the thousands of perennials available, and care for the ones you already have. This A-to-Z guide is packed with more than 2,700 plants, with each entry listing flower color, bloom time, foliage characteristics, size, and light and temperature requirements. Each profile is supported by stunning color photography that showcases the flower and foliage that make each plant unique. 


  • “A beautifully illustrated ‘spam filter’ for perennial-growers.” —Library Journal

    “Enthusiastically recommended for both academic and public libraries and is an essential purchase for libraries where there is an interest in gardening.” —Booklist
    “This is a valuable reference book that deserves a spot on your garden bookshelf.” —Country Gardens

    “Useful and well written. . . . Will point you in the right direction—toward a home and garden that brings years of pleasure.” —Garden Rant
    “Will incite further plant lust.” —The American Gardener
    “One thing about Essential Perennials is that it’s essential—maybe even mandatory—for every designer to have a copy.” —Garden Design Online

    “The format is clear, it’s easy to navigate around, and there’s plenty of interesting and helpful detail interspersed with colour photos. . . . The authors write with authority yet accessibility, and their expertise leaps off the page, letting the reader know they’re in good hands and can trust the information provided.” —The English Garden

    “The photographs are beautiful in this volume, and the entries are quite thorough.” —The News Gazette

    “A gorgeous book and a comprehensive A to Z guide for choosing, planting, tending, and enjoying perennials.” —The Manhattan Mercury

    “A welcome addition to my bookshelf and it should be for yours too. Its wide-ranging and inclusive listing gives equal time to native woodlanders, ephemerals, exotic introductions, as well as time-honored favorites and takes the confusion out of the ever-growing world of perennials.” —The Ottawa Citizen

On Sale
Jan 7, 2015
Page Count
428 pages
Timber Press

Ruth Rogers Clausen

Ruth Rogers Clausen

About the Author

Ruth Rogers Clausen is the author of 50 Beautiful Deer-Resistant Plants, and co-author of Essential Perennials and The Proven Winners Garden Book. She received a Quill and Trowel award from the Garden Writers Association (now Garden Communicators International) and has written for the American Garden Guides series. She is the former horticulture editor for Country Living Garden magazine and a long-time contributor to Country Gardens magazine. Ruth lectures widely at horticultural conventions and symposia, flower shows, and to garden societies and clubs. In 2017, she was awarded the Garden Media Award by the Perennial Plant Association.

Gregory D. Tepper is a professional horticulturist, lecturer, consultant, and life-long native plant enthusiast. He is currently horticulturist at the Arboretum at Laurel Hill and West Laurel Hill Cemeteries in Philadelphia, Pennsylvania, and previously held the positions of director of horticulture at Mt. Cuba Center in Hockessin, Delaware, and director of horticulture and board member at Delaware Botanic Gardens, where he was instrumental in developing the garden’s initial horticultural mission and implementing a two-acre meadow designed by world-renowned garden designer Piet Oudolf.

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Thomas Christopher

Thomas Christopher

About the Author

Thomas Christopher, a graduate of the New York Botanical Garden School of Professional Horticulture, has created gardens for clients for forty years. He is the author of many books, including Garden Revolution and Essential Perennials

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