PLANT in the SPOTLIGHT Fence at Oakwood Gardens in Hillsboro, Oregon
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A perfect gift for birthdays,anniversaries, hostess thank-yous, or any occasion! NEW DESIGNS! Winter Autumn American Horticultural Society Floral Mugs Support the American Horticultural Society while bringing the beauty of nature indoors with our exclusive ÁRUDOPXJV Enjoy your next cup of tea in a lovely bone china mug exquisitely decorated with spring, summer, autumn, RUZLQWHUÁRZHUV+ROGVÁXLGRXQFHV Spring Summer 'LVKZDVKHUDQGPLFURZDYHVDIH Sold as a set of two mugs (your choice of spring and summer OR autumn and ZLQWHU IRURUDVDVHWRIIRXU 7KHXQGHUVLGHRI each mug bears PXJV RQHRIHDFKVHDVRQ IRU WKH$+6ORJR both prices include tax, shipping, DQGKDQGOLQJ7RRUGHUYLVLW ZZZDKVJDUGHQLQJRUJÁRUDOPXJV. To order, visit $OORZWZRZHHNVIRUGHOLYHU\ ZZZDKVJDUGHQLQJRUJIORUDOPXJV contents Volume 96, Number 1 . January / February 2017 FEATURES DEPARTMENTS 5 NOTES FROM RIVER FARM 6 MEMBERS’ FORUM 8 NEWS FROM THE AHS New web address for the AHS, the AHS and Cornell reissue guide to kids’ gardens, order now from the AHS member seed exchange, Colonial Williamsburg Garden Symposium, Great Gardens and Landscaping Symposium, get your community involved with America in Bloom, save the date for the annual AHS Spring Garden Market. 40 GARDEN SOLUTIONS Creating meadows the right way. 42 HOMEGROWN HARVEST Rhubarb—a harbinger of spring. page 12 44 TRAVELER’S GUIDE TO GARDENS Howard Peters Rawlings Conservatory and Botanical Gardens, Baltimore, 12 NEW PLANTS FOR 2017 BY CHARLOTTE GERMANE Maryland. Here’s a look at some new introductions for the coming year. 46 GARDENER’S NOTEBOOK Habitat Network online tools aid home 18 LIBRARIES GO TO SEED BY EVA MONHEIM gardeners in creating region-appropriate Along with books and other media, public libraries are adding landscapes, researchers develop tomatoes seeds to their catalogs as a way to preserve genetic diversity and that flower two weeks early, plant blindness boost gardening know-how. phenomenon, “bomb-sniffing” plants. 49 GARDENER’S NOTEBOOK SPECIAL 24 THE SECRET LANGUAGE OF PLANTS BY PAM LARSEN Composting for community. Plants may be unable to run away from predators, yet many species use airborne chemical messages to defend themselves and 50 GREEN GARAGE warn neighboring plants of danger. Lights for long winter nights. 52 BOOK REVIEWS 28 STATUESQUE PERENNIALS BY C. COLSTON BURRELL In Praise of Poison Ivy and These stately bloomers provide dramatic contrasts and seasonal Plant: Exploring the Botanical. color to gardens of every size. Special Focus: Plant lore. 54 REGIONAL HAPPENINGS 34 CREATE A MINIATURE ROCK GARDEN BY CAITLIN ATKINSON Add natural style to your home this winter with a rock-and-sand 57 2017 SEED EXCHANGE LIST landscape inspired by traditional Japanese rock gardens. 60 PRONUNCIATIONS AND HARDINESS AND HEAT ZONES ON THE COVER: Tall and colorful ‘Lemon Queen’, a hybrid perennial sunflower, graces a white picket 62 PLANT IN THE SPOTLIGHT fence at Oakwood Gardens in Hillsboro, Oregon. Fringed hibiscus (Hibiscus schizopetalus). COURTESY OF GARDEN SOLUTIONS Photograph by Josh McCullough January / February 2017 3 Free App AMERICAN HORTICULTURAL SOCIETY HOMEGROWN Making America a Nation of Gardeners, a Land of Gardens With Bonnie Plants Board of Directors CHAIR Amy Bolton Falls Church, Virginia FIRST VICE CHAIRMAN Jane Diamantis McDonald, Tennessee SECOND VICE CHAIRMAN Mary Pat Matheson Atlanta, Georgia SECRETARY Nancy Hargroves Manakin Sabot, Virginia TREASURER J. Landon Reeve, IV Woodbine, Maryland IMMEDIATE PAST CHAIR Harry A. Rissetto, Esq. Falls Church, Virginia EXECUTIVE COMMITTEE Marcia Zech Mercer Island, Washington Skipp Calvert Alexandria, Virginia Q Tim Conlon Dubuque, Iowa Q Laura Dowling Alexandria, Virginia Terry Hayes Woodinville, Washington Q Tom Johnson Washington, D.C. Q Louis B. Lynn Columbia, South Carolina Rachel Muir Arden, North Carolina Q Nancy Ross Englewood, Florida Q Holly Shimizu Glen Echo, Maryland Ed Snodgrass Street, Maryland Q Erich Veitenheimer Alexandria, Virginia EXECUTIVE DIRECTOR Tom Underwood PRESIDENT EMERITUS Katy Moss Warner President’s Council The President’s Council is comprised of dedicated members whose annual support makes many of the Society’s programs possible, from youth gardening activities to horticultural awards programs. FOUNDER’S CIRCLE ($25,000+) Mr. and Mrs. George Diamantis Q Ms. Katy Moss Warner Q Mr. and Mrs. Klaus Zech LIBERTY HYDE BAILEY CIRCLE ($10,000-$24,999) Mr. and Mrs. Leonard Calvert, III Q Mr. and Mrs. Timothy Conlon Q Mrs. Elisabeth C. Dudley Q Ms. Catherine M. Hayes Q Mr. and Mrs. Harry A. Rissetto, Esq. bonnieplants.com/app HAUPT CIRCLE ($5,000-$9,999) Mr. and Mrs. Richard Davison Q Mr. Thomas E. Johnson and Mrs. Julianne Mueller Q Mr. and Mrs. Neil Morris Q Mr. and Mrs. Frank Nicolai Q Mr. and Mrs. J. Landon Reeve, IV Q Mr. C. Hugh Stephens SUSTAINER’S CIRCLE ($2,500-$4,999) Mrs. Lynda A. Bachman Q Ms. Amy Bolton and Mr. Philip Schoene Q Mr. and Mrs. Andy Daniel Q Mr. and Mrs. Scott Ernest Q Mr. Joseph Errington and Mr. William Pullen Q Ms. Inger Fair Q Dr. Amy Goldman Fowler Q Mr. and Mrs. Joel Goldsmith Q Mr. Thomas Gibian and Ms. Christina Grady Q Dr. and Mrs. William O. Hargrove Q Ms. Erika Huddleston Q Dr. and Mrs. Louis B. Lynn Q Mrs. Karen H. Meyer Q Ms. Julie Overbeck Q Mr. David D. Parrish Q Dr. Erich E. Veitenheimer and Mr. Andrew Cariaso COUNCIL MEMBER’S CIRCLE ($1,000-$2,499) Ms. E. Pauline Adams Q Mr. and Mrs. Frank Allocca Q Mrs. Leslie S. Ariail Q Mr. and Mrs. David Asaibene Q Mr. and Mrs. Robert Baillie Q Mr. and Mrs. Charles W. Barnes, III Q Dr. and Mrs. William E. Barrick Q Mr. Robert A. Bartlett, Jr. Q Mrs. Ritchie Battle Q Mrs. Katherine M. Belk Q Dr. Sherran Blair Q Mrs. Joan April Blazich Q Mrs. Fern Bowman Q Mr. and Mrs. Michael T. Bradshaw Q Mr. and Mrs. Taylor Burke, III Q Mr. and Mrs. Allen W. Bush Q Mrs. Barbara L. Carr Q Mrs. Torrey Matheson Cooke Q Dr. Karen Davis and Mr. Richard Davis Q Ms. Catherine Eberbach Q Ms. Katherine B. Edwards and Mr. John A. Ronveaux Q Dr. Carol K. Emerson Q Mr. and Mrs. Carl Estes Q Ms. Megan Evans Q Mrs. Cherie H. Flores Q Dr. and Mrs. John A. Floyd, Jr. Q Ms. Mary Ann Franklin Q Mr. and Mrs. A. Michael Gellman Q Mr. Gerald T. Halpin Q Mr. and Mrs. Herbert F. Hargroves Q Mrs. Martha Harris Q Mr. and Mrs. Alfred Heiler Q Mr. and Mrs. Paul A. Hess Q Ms. Jadwiga Hoffmann Q Mr. and Mrs. Albert Huddleston Q Mr. Philip Huey Q Ms. Patricia Kitchings Q Mr. Charles J. and Dr. Dancy Kittrell Q Mrs. Virginia Korteweg Q Ms. Mary A. Lambert Q Mrs. Carolyn Marsh Lindsay Q Mr. and Mrs. James F. Masterson Q Ms. Mary T. McConnell Q Ms. Elizabeth D. Miller Q Mr. and Mrs. Walter S. Montgomery, Jr. Q Mr. and Mrs. Peter Morris Q Mr. and Mrs. Robert Murray Q Mr. Arnold Orr Q Mr. and Mrs. Al Osman Q Ms. Beverly Pierson Q Mrs. Lynn C. Rhomberg Q Ms. Stephanie L. Rodden and Mr. John Cienki Q Mr. and Mrs. Donald H. Ross Q Ms. Rachael A. Rowland and Mr. Michael Sullivan Q Mr. and Mrs. James A. Runde Q Mr. and Mrs. Doug Scovanner Q Mr. and Mrs. Osamu Shimizu Q Mr. Richard P. Simmons Q Mr. and Mrs. Charles Henry Smith, Jr. Q Ms. Kathleen A. Smithgall Q Mr. and Mrs. Harry Tunis Q Mr. and Mrs. Tom Underwood Q Mrs. Jane Underwood Q Mr. Joe Viar, Jr. and Ms. Bonnie Christ Q Mr. and Mrs. John P. Vikesland Q Mr. and Mrs. Robert D. Volk Q Mr. and Mrs. Charles F. Walton Q Ms. Katherine J. Ward Q Ms. Elizabeth M. Wehrle Q Mrs. Dudley B. White Q Mrs. Corinne Winburn Q Dr. John A. Wott HONORARY PRESIDENT’S COUNCIL (in memoriam) Ms. Louise Fruehling Q Mrs. Enid Haupt Q Mrs. John A. Lutz Q Mr. and Mrs. Bruce Miller Q Ms. Wilma L. Pickard Corporate Members Bonnie Plants Q The Care of Trees Q Chapel Valley Landscape Company Q Corona, Inc. The Espoma Company Q Osmocote Q OXO Horticultural Partners America In Bloom Q Bellingrath Gardens & Home Q The Colonial Williamsburg Foundation Q Cox Arboretum Metropark Q Friends of Fellows Riverside Gardens Q The Gardeners of America/Men’s Garden Clubs of America Great Gardens and Landscaping Symposium Q Inniswood Garden Society Q The Omni Homestead Q Wegerzyn Gardens Foundation 4 the American Gardener The American NOTES CFROM RIVER FARM GARDENER EDITOR David J. Ellis MANAGING EDITOR AND ART DIRECTOR Mary Yee ASSOCIATE EDITOR Viveka Neveln ANY THINGS signal that a new year is upon us. For me, one of the most EDITORIAL INTERN tangible signs is replacing last year’s calendar with a crisp new 2017 edi- Lynn Brinkley Mtion. I have a favorite calendar from the Virginia Outdoors Foundation CONTRIBUTING EDITOR that I seek out each year. Each month features a photo of a different property within Rita Pelczar the state that exemplifies the work the Foundation is doing to preserve open space. In CONTRIBUTING WRITER addition to providing beautiful scenery, it reminds me of the important role that our Carole Ottesen River Farm headquarters plays in the protection and public enjoyment of scenic, green, EDITORIAL ADVISORY BOARD open spaces. Incidentally, a portion of River Farm is, in CHAIR Ethne Clarke fact, protected by an open space easement with the Vir- Colorado Springs, Colorado ginia Outdoors Foundation that dates to the early years Linda Askey of the Society’s ownership of the property in the 197os. Birmingham, Alabama I suspect that you may have a calendar of your Julie Chai Mountain View, California own that has special meaning—perhaps serving as a Mary Irish reminder of something that is particularly important San Antonio, Texas to you (like mine), perhaps evoking thoughts of other Panayoti Kelaidis places or activities (maybe gardening or travel?) that Denver, Colorado you dream of, or even offering a bit of comic relief that Charlie Nardozzi brightens your day.