sue US$59.95 olsen W ith their beauty and versatil- ity, oft en combined with a tough- G ness that belies their delicate e appearance, ferns are among the most useful n and rewarding plants that any gardener can c grow. Ranging from diminutive rock-garden A y gems to the stately tree ferns of the Southern c Hemisphere, ferns off er a staggering variety l of habit and shape, with foliage comprising R o endless variations of green as well as bronze, pink, silver, and blue-gray. It all adds up to a p Sue Spooner Olsen developed a love • The most comprehensive dazzling array of choices, with new introduc- De encycl opedi a of of ferns in the late 1960s and has been and up-to-date reference tions pouring in from Asia and Central and d studying, propagating, and writing about South America to augment the already plen- on ferns for gardens GA R DE N them ever since. Her fern nursery, Foliage i tiful choices to be found among the more Gardens, has introduced numerous ferns • More than 960 ferns from Ea familiar species. to North American horticulture and is the around the world, including o In this comprehensive reference, fern oldest mail-order nursery in the United many species only recently N FER NS specialist Sue Olsen presents succinct States for spore-grown temperate ferns. f commercially available de scriptions, habitat information, and cul- Sue was a founding member and fi rst pres- • 700 color photographs tural recommendations for more than 960 ident of the Hardy Fern Foundation, and • Chapters on cultivation ferns, accompanied by 700 color photo - has served since then as editor of the Foun- dation’s Quarterly. Her interest and joy in and propagation F graphs. Early chapters focus on ferns in photog raphy date back to childhood and • Useful lists of ferns for history, as well as on cultivation, propaga- su e ol se n the gift of a simple box camera. She has particular conditions and tion, and structure. A series of appendices E shared her photos and plant knowledge in situations highlights qualities that will enable gardeners lectures in England and throughout North to further refi ne their choices, such as which 700 PHOTOGRAPHS MORE THAN 960 FERNS America. Sue is a graduate of Cornell R species will tolerate dry shade, boggy condi- University. tions, strong sunlight, or other special condi- tions. Rounding out the volume are useful N lists (with contact information) of places to see and purchase ferns. Whether you are a beginner, a committed S Jacket back photo: the author’s garden. All pteridophile, or anything in between, this photos by Sue Olsen. Author photo copyright expansive, well-organized, and lavishly illus- © Yuen Lui Studio, Inc. Used by permission. trated volume will be the fi rst place you’ll For details on other Timber Press books or turn to deepen your knowledge and appre- to receive our catalog, please visit our Web ciation of the fascinating world of ferns. site, www.timberpress.com. In the United States and Canada you may also reach us ISBN 978-0-88192-819-8 at 1-800-327-5680, and in the United King - dom at [email protected]. E timber A N press £40.00 EEnnccFFeerrnnssffuulllljjkktt__ttpp33..iinndddd 11 06_10_F06 Encyckopedia of Garden Ferns X_0 G4J_18 11//2222//0077 1111::3366::0000 PPMM 00_EncyGarFern_001-023)3rd_TP 2006/12/9 3:14 AM Page 1 Encyclopedia of Garden Ferns 06-10-F06 Ency ofGarden Ferns(Olsen) G5L_09_X-0_CTP 00_EncyGarFern_001-023)3rd_TP 2006/12/9 3:14 AM Page 1 Encyclopedia of Garden Ferns 06-10-F06 Ency ofGarden Ferns(Olsen) G5L_09_X-0_CTP 00_EncyGarFern_001-023)3rd_TP 2006/12/9 3:14 AM Page 2 06-10-F06 Ency ofGarden Ferns(Olsen) G5L_09_X-0_CTP 00_EncyGarFern_001-023)3rd_TP 2006/12/9 3:14 AM Page 3 Encyclopedia of Garden Ferns SUE OLSEN TIMBER PRESS 06-10-F06 Ency ofGarden Ferns(Olsen) G5L_09_X-0_CTP 00_EncyGarFern_001-023)3rd_TP 1/10/07 9:51 AM Page 4 Part title page illustration ofAsplenium trichomanesby John E.Sowerby from The Ferns ofGreat Britainby John E.Sowerby and Charles Johnson,London,1855. Frontispiece:Adiantum venustumin the Bradner garden. Copyright © 2007 by Suzanne Olsen.All rights reserved. All photos by author unless otherwise stated. Published in 2007 by Timber Press,Inc. The Haseltine Building 133 S.W.Second Avenue,Suite 450 Portland,Oregon 97204-3527,U.S.A. www.timberpress.com For contact information regarding editorial,marketing,sales,and distribution in the United Kingdom,see www.timberpress.co.uk. Printed in China Library ofCongress Cataloging-in-Publication Data Olsen,Sue (Suzanne) Encyclopedia ofgarden ferns / Sue Olsen. p. cm. Includes bibliographical references and index. ISBN-13:978-0-88192-819-8 1.Ferns,Ornamental—Pictorial works.2.Ferns—Pictorial works.I.Title. SB429.O47 2007 635.9'373—dc22 2006013494 A catalog record for this book is also available from the British Library. 06-10-F06 Ency ofGarden Ferns(Olsen) G5Y_16_X-0_CTP 00_EncyGarFern(001-023)3rd 12/7/06 10:54 Page 5 Tomyfamily— Mylate husband,Harry, Our three children,Greg,Kris,and Tamra, Her husband,Karl, And my sister,Jeanne 00_EncyGarFern_001-023)3rd_TP 2006/12/9 3:14 AM Page 6 Adiantum aleuticum‘Subpumilum’in the Olsen garden. 06-10-F06 Ency ofGarden Ferns(Olsen) G5L_09_X-0_CTP 00_EncyGarFern(001-023)3rd 12/7/06 10:54 Page 7 Contents Foreword by George Schenk 9 Preface 10 Acknowledgments 11 Portraits ofFerns Through the Seasons 15 Chapter 1 Ferns Through the Ages 25 Chapter 2 Cultivating Ferns 31 Woodland Gardens 31 Containers 42 Mounted Ferns by George Schenk 47 Rock Gardens 47 Ferns on Walls 49 Xeric Ferns 51 Stumperies 54 Bogs 55 Tree Ferns 56 Growing Ferns Indoors 59 Chapter 3 Propagating Ferns 63 Vegetative Propagation 63 Spores 67 Growing Your Own 69 Cultivars 74 Hybrids 74 Tissue Culture 74 Chapter 4 Fern Structure and Basic Diagnostics 76 Chapter 5 Ferns from Around the World 81 Appendix 1 USDA Plant Hardiness Zone Map 402 Appendix 2 European Plant Hardiness Zone Map 403 Appendix 3 Award-Winning Ferns 404 Appendix 4 Favorite Ferns for Sites Around the World 406 Appendix 5 Ferns for Special Situations 410 Appendix 6 Fern Societies 412 Appendix 7 Where to See Ferns 413 Appendix 8 Where to Buy Ferns 420 Glossary 422 References 424 Index ofPlant Names 428 00_EncyGarFern_001-023)3rd_TP 1/10/07 9:55 AM Page 8 Nature made ferns for pure leaves,to show what she could do in that line. —Thoreau,unpublished Polystichum polyblepharum 06-10-F06 Ency ofGarden Ferns(Olsen) G5Y_16_X-0_CTP