Our mission is to share the wonders of the natural world by publishing books from experts in the fields of gardening, horticulture, and natural history. Grow with us.

Speakers from United States

Amy Bryant Aiello

Amy Bryant Aiello studied installation art and photography at the Pacific Northwest College of Art in Portland, Oregon, where she and her husband own Artemisia, a popular boutique specializing in terrariums, indoor gardens, and fine art.

Tomasz Aniśko

Tomasz Aniśko is curator of plants at the internationally renowned Longwood Gardens. A Polish native, he holds a master's degree and a doctorate in horticulture, and has collected plants for Longwood Gardens on 17 international expeditions.

Allan M. Armitage

Regarded as one of the world's foremost horticulturists, Allan M. Armitage travels as a lecturer and consultant. Charming and lively as well as knowledgeable, Allan is in constant demand as a speaker, and sees working with plants as therapeutic, exciting, and creative.

Tony Avent

Tony Avent, a well known lecturer and garden writer, founded Plant Delights Nursery to help fund Juniper Level Botanic Gardens, a display and research garden with over 11,000 plants. Tony sold plants as a young child; as an adult, selling plants is a natural extension.

Pam Baggett

Pam Baggett is a freelance writer and photographer who lectures on tropicals and other garden topics. Her articles have appeared in publications including Fine Gardening, Horticulture, and The American Gardener, and she has won a Quill and Trowel award from the Garden Writers Association.

Jennifer R. Bartley

Jennifer R. Bartley traveled extensively throughout France to study traditional potagers (kitchen gardens), and has created her own versions for American chefs and gardeners. Emphasizing functionality and design in her work, Bartley seeks to create beautiful, vibrant gardens that embrace a simpler life.

Lisa Lee Benjamin

Lisa Lee Benjamin creates and nurtures large landscapes that unite people, art, and science. The portfolio of Evo Catalyst, her San Francisco-based design consultancy, is filled with sustainable solutions for diverse animal and human habitats. She is a founding member of Alpine Initiatives, Urban Hedgerow, Growwest, and the Bay area's Green Roof Alliance.

Linda Beutler

Linda Beutler has been the curator of the Rogerson Clematis Collection since 2007 and in 2013 was elected the first American president of the International Clematis Society.

Richard L. Bitner

Richard L. Bitner is a garden writer and photographer whose work has appeared in numerous national and regional magazines. He studied horticulture at Longwood Gardens in Pennsylvania, where for many years he has been an instructor in the Continuing Education program.

Jessi Bloom

Jessi Bloom is an award-winning ecological landscape designer, professional horticulturalist, and certified arborist. She is lead designer and owner of N.W. Bloom—EcoLogical Landscapes, known for innovation in sustainable landscape design, construction, and maintenance.

Paul Bonine

Paul Bonine is a garden writer, lecturer, and owner of the wholesale specialty plant nursery Xera Plants, in Portland, Oregon. He has consulted for NPR, the Sunset Western Garden Book, and The Oregonian. When not in his nursery, Paul lectures on topics including low-water gardening, unusual vines, and deer-resistant gardening.

Kate Bryant

Kate Bryant lives and gardens in Portland, Oregon. She has contributed to gardening books, newspapers, and magazines including Portland Monthly, where her column, Dig, and gardening blog, Plantwise, appear.

Arden Bucklin-Sporer

Arden Bucklin-Sporer is the executive director of the San Francisco Green Schoolyard Alliance, an advocacy organization for school gardens and outdoor classrooms. She is the director of educational gardens for the San Francisco Unified School District, and a founding partner of Bay Tree Design, a landscape architecture firm.

Colston Burrell

C. Colston Burrell is an avid and lifelong gardener, garden designer, award-winning author, photographer, naturalist, and teacher. He lectures at the College of Architecture and Landscape Architecture at the University of Virginia, and grows all the hellebore species in his garden near Charlottesville, Virginia.

Karen Bussolini

Photographer for The Naturescaping Workbook, Karen Bussolini has been a gardener for as long as she can remember, and specializes in garden photography, writing, and lecturing. She sees connections between disciplines and has long been involved in organic, environmentally conscious gardening.

Scott Calhoun

Scott Calhoun is an award-winning author and garden designer based in Tucson, Arizona, and the author of several award-winning gardening books. He writes a monthly garden column for Sunset magazine and has written for most national gardening magazines. In his design practice, he incorporates cactus into every residential space and sees them as the plant family of the future — especially in arid parts of the world.

Paul Cappiello

Paul Cappiello is a teacher, writer, garden designer, and gardener. Known internationally for his 20 years of research of cold tolerance, nursery production, and much more, he lectures across the country to gardeners, college classes, horticultural professionals, and academic audiences.

Rob Cardillo

Rob Cardillo has been photographing gardens, plants, and the people who tend them for more than 20 years. Formerly the director of photography at Organic Gardening, he now works for major publishers, horticultural suppliers, and landscape designers throughout the United States. Visit him at www.robcardillo.com.

Linda Chalker-Scott

Linda Chalker-Scott is an associate professor and extension urban horticulturist at Washington State University. She has written three other books and has published extensively in American Nurseryman, Organic Gardening, Fine Gardening, and more.

Leo J. Chance

Leo J. Chance is a professional gardener based in Colorado Springs and Pueblo, Colorado. He has also worked as a professional plant buyer and propagator. A member of the Cactus and Succulent Society of America and the Colorado Cactus and Succulent Society, Leo lectures frequently about cacti and succulents, as well as water-wise gardening.

Ruth Rogers Clausen

Ruth Rogers Clausen, a horticulturist trained in England, has been living and working in United States for many years. Over her long career she has taught and lectured widely. Former horticulture editor for Country Living Gardener, she has written several books, including 50 Beautiful Deer-Resistant Plants.

Stephanie Cohen

Award-winning author and horticulturist Stephanie Cohen taught herbaceous plants and perennial design at Temple University for more than twenty years. The former director of the Landscape Arboretum at Temple University, she is a contributing editor for Fine Gardening and The HGTV Newsletter.

Whitney Cohen

Whitney Cohen is the education director at Life Lab and presents garden-based learning workshops for educators across the country. Her expertise in gardening with children comes from years as an environmental educator, a middle school science teacher, a teacher trainer, and, most recently, a mother.

Karla Dakin

A founding member of Growwest and an active member of Green Roofs for Healthy Cities, Karla Dakin specializes in artful, environmentally bold landscape architecture with an array of international projects. Plant-obsessed, Karla uses vegetation in forward-thinking ways, as exemplified by her roof garden for the Museum of Contemporary Art in Denver.

Rick Darke

Rick Darke is a landscape design consultant, author, lecturer, and photographer based in Pennsylvania who blends art, ecology, and cultural geography in the creation and conservation of livable landscapes. Darke served on the staff of Longwood Gardens for twenty years, and in 1998 he received the Scientific Award of the American Horticultural Society.

James Luther Davis

James Luther Davis is a naturalist for Metro Regional Parks and Greenspaces and for Smith and Bybee Wetlands Natural Areas. He also teaches and guides tours for the Portland chapter of the National Audubon Society. He holds a master's degree in zoology from Colorado State University.

David Deardorff

David Deardorff is a botanist and expert plant pathologist. He earned his Ph.D. in botany from the University of Washington. He coordinated plant pathology research at the University of Hawaii and served as faculty adviser to the Master Gardener program at Washington State University.

Alan L. Detrick

Alan L. Detrick is a professional photographer whose images of nature and gardens appear in media worldwide. He has lectured and conducted photography workshops at Longwood Gardens, the New York Botanical Garden, and Chanticleer Gardens, as well as for the American Horticultural Society, the Garden Club of America, and the Garden Writers Association, which named him a Fellow in 2005.

Dave DeWitt

Dave DeWitt has written more than 30 books on peppers. Chair of the board of the New Mexico Farm and Ranch Heritage Museum, Dave is an adjunct associate professor at New Mexico State University. His media company, Sunbelt Shows, Inc., produces the annual National Fiery Foods & Barbecue Show.

Roy C. Dicks

Roy C. Dicks' enthusiasm for Beverley Nichols led him to create a theatrical lecture based on Nichols's life and works that he regularly delivers to garden clubs and horticultural organizations. He has assisted Timber Press with ten reprints of Nichols's books.

Michael A. Dirr

Michael A. Dirr, a professor of horticulture at the University of Georgia, is a legend in the horticultural world. He has received the highest honors from the American Horticultural Society, Garden Clubs of America, and the American Society for Horticultural Science, among many others. A professorship in his name has been established at the University of Georgia in recognition of his accomplishments.

Tracy DiSabato-Aust

Tracy DiSabato-Aust has earned international acclaim as one of America's most entertaining and knowledgeable garden writers and professional speakers. She has extensive experience in the United States and abroad with more than 35 years in the industry and is a gifted and award-winning designer who combines artistic vision with practical horticultural strategies.

Valerie Easton

Valerie Easton is a weekly garden columnist for Pacific Northwest Magazine of The Seattle Times. She has contributed articles on gardens, homes, and the people who make them to a variety of magazines. Valerie trained as a Master Gardener and was for eighteen years the horticultural librarian at the University of Washington in Seattle.

Sydney Eddison

Sydney Eddison has written six other books on gardening. She has been honored by National Garden Clubs Inc. with their Award of Excellence for 2010. For her work as a writer, gardener, and lecturer, she has also received several other gardening awards. Her garden has been featured in magazines and on television. A former scene designer and drama teacher, Eddison lectures widely and is a frequent contributor to Fine Gardening magazine and other publications.

Colby Eierman

Colby Eierman designs and manages diverse garden and farm projects, providing his clients with craft-grown produce of the highest quality. Colby has years of experience working for restaurants, wineries and individuals to create landscapes that are both beautiful and productive. He is co-founder of the School Garden Project in Lane County, Oregon and has built many educational gardens for youth and adult audiences. Colby also raises chickens, cows, sheep and other livestock as part of integrated farm operations.

Richard H. Engeman

Pacific Northwest historian and archivist Richard H. Engeman graduated from Reed College and holds graduate degrees from the University of Oregon and from the University of Washington. Formerly public historian of the Oregon Historical Society, he serves on the Portland Landmarks Commission and on the board of the Oregon Museums Association and the Oregon Century Farm and Ranch Program and is the principal of Oregon Rediviva, a historical writing and consulting firm.

Tom Fischer

Before moving to Portland, Oregon in 2004, Tom was the editor of Horticulture magazine in Boston, Massachusetts. His experiences as a bi-coastal gardener and his inexhaustible curiosity about plants have shaped his new garden, which in 2008 was profiled in The Oregonian. A prolific writer as well as an editor, his articles have been featured in magazines such as Garden Design, Gardens Illustrated, and Martha Stewart Living.

John Fisher

John Fisher is Life Lab's director of outreach and communication. He designed and helped build Life Lab's one-acre garden classroom, and has created videos and websites on garden-based learning for Life Lab and the University of California Santa Cruz Farm.

Lorene Edwards Forkner

Lorene Edwards Forkner is an award-winning garden designer who lives, gardens, writes, and designs in the Pacific Northwest. Her writing has appeared in several national and regional publications including Organic Gardening, Pacific Horticulture, MaryJane's Farm, Northwest Garden News, and Edible Seattle.

Laura O. Foster

As a self-professed forensic pedestrian who honed her craft in Portland, Laura O. Foster writes about Oregon's urban centers, small towns, and natural areas. With wit and insight, she tells the stories — geologic, architectural, botanical, and arcane — of this topographically diverse and beautiful state.

Steven A. Frowine

Steven A. Frowine is a professional horticulturist, a consultant to the green industry, and an active garden writer and speaker. A much sought-after speaker, Steven has a special love for orchids and other tropical plants.

Jo Ann Gardner

For 30 years, Jo Ann Gardner and her husband operated a hand- and horse-powered farm on Cape Breton Island. They now live in the Adirondacks where they have a small farm with extensive gardens. Gardner writes, lectures, and conducts classes on herbs, heirlooms, hardy roses, and biblical flora.

Jeff Gillman

Jeff Gillman loathes advice that is given without concern for the consequences. He wrote a tell-all book after hearing self-proclaimed experts spouting things such as feeding syrup to plants, and lectures on a variety of topics including homebrewed remedies and organic pesticides.

Roger Gossler

Roger Gossler grew up in Springfield, Oregon, and currently is the buyer and main grower for Gossler Farms Nursery. He avidly researches what is new in the trade and worthy of inclusion in the nursery's catalog, and he speaks regularly to garden groups around the country.

Kristin Green

Kristin Green first unearthed a passion for gardening while on the West Coast earning degrees in art and painting from the University of Washington. Now back on native soil, she is a full-time, year-round gardener serving as interpretive horticulturist, garden blogger, and photographer at Blithewold Mansion, Gardens & Arboretum, a 33-acre non-profit public garden in Bristol, Rhode Island.

Eric Grissell

Grissell — a member of the Garden Writers Association as well as a half dozen entomological and horticultural societies — has written three books on gardening, the latest of which encourages gardeners to take a broader and more benign look at their gardens and the insects in them.

Evelyn J. Hadden

National speaker and award-winning author of four gardening books, including Beautiful No-Mow Yards, Evelyn Hadden encourages property owners to convert unused, unloved lawns to more rewarding landscapes. Evelyn founded the informational website LessLawn and is a founding member of the national Lawn Reform Coalition, as well as a partner at the lauded and provocative team blog GardenRant.

Patricia A. Harding

Patricia A. Harding is an orchid enthusiast who enjoys explaining taxonomy issues to fellow enthusiasts. She speaks frequently on the topic, and is an accredited American Orchid Society judge. She has been growing and photographing orchids for three decades.

Dan Heims

Dan Heims has been deeply involved in horticulture since 1974 and has lectured worldwide. He is currently the president of Terra Nova Nurseries and has been published in American Gardener, Garden Design, and Horticulture magazines to name a few.

Daniel J. Hinkley

Daniel J. Hinkley writes for numerous horticultural publications and is in high demand as a speaker throughout North America, Europe, Australia, New Zealand, and Japan. He has been awarded the Scott Medal, the Liberty Hyde Bailey Award, and the Veitch Memorial Medal, among others. He serves as horticultural consultant to Monrovia Growers and to several design firms, including Gustafson Guthrie Nichol, Portico, and The Berger Partnership.

Saxon Holt

Saxon Holt is widely recognized as one of the top photographers in the world of garden photography. He has worked for magazines as diverse as Pacific Horticulture and Architectural Digest, and over the past 20 years he has won awards for his magazine work, calendars, books and his portfolio, including four awards from the Garden Writers of America.

Love Albrecht Howard

Love Albrecht Howard has owned her landscape and garden design business since 1994. Her design work has been featured in national magazines and on the HGTV and DIY cable networks and she has taught local adult education classes in gardening as well as chemical-free lawn and land care.

Nancy Ross Hugo

Nancy Ross Hugo has been writing, lecturing, and teaching about trees, native plants, and floral design for over 30 years. Her writing has appeared in Horticulture, Fine Gardening, American Forests, Country Journal, Virginia Living, and Country Life.

Marie Iannotti

Longtime Master Gardener Marie Iannotti is the former owner of Yore Vegetables, an heirloom seedling nursery. She is the former editor of The Mid-Hudson Gardener's Guide., and her garden writing has been featured in newspapers and magazines nationwide.

Mary Irish

Mary Irish is a prominent voice in southwestern horticulture. She once hosted a weekly Phoenix-based radio show called "The Arizona Gardener," and has appeared on countless news and lifestyle programs on television regarding desert gardening.

Anthony W. Kahtz

Anthony Kahtz holds a Ph.D. in horticulture from the University of Illinois, and has gardened around the world. He has published articles in American Gardener, and has lectured at the American Society for Horticultural Science and the Southern Nursery Association.

Andrew Keys

Andrew Keys is a writer, lifelong gardener, and author of Why Grow That When You Can Grow This?. Andrew's writing has appeared in This Old House Magazine and Fine Gardening, and he's produced podcasts for Fine Gardening and Horticulture Magazine.

Lawrence Kreisman

Lawrence Kreisman holds master's degrees in architecture from the University of Washington, and in English literature from the University of Chicago. His lectures and tours on late nineteenth and early twentieth century design and architecture take place throughout the Pacific Northwest.

Barbara Perry Lawton

Barbara Perry Lawton, an award-winning writer, author, speaker, and photographer, has published over 1,500 articles. She has earned regional and national honors for her writing and photography, and has served as president of the Garden Writers Association.

Donald J. Leopold

Donald J. Leopold, a long-standing member of the Ecological Society of America, has studied native plants for nearly 30 years. He has taught courses in dendrology, plant materials, freshwater wetland ecology, and numerous graduate seminars on conservation and restoration topics.

Matthew Levesque

A pioneer in the art of using recycled materials in cutting-edge garden design, Matthew Levesque is the program director and master of recycled art at the nonprofit San Francisco company Building Resources and the Red Shovel Glass Company. He has appeared on HGTV, the Discovery Channel, the San Francisco CBS affiliate, and other local broadcasts.

James H. Locklear

James Locklear has worked in the field of public horticulture for twenty-five years, serving five years as director of the Dyck Arboretum of the Plains in Kansas and fourteen years as director of the Nebraska Statewide Arboretum. He has introduced several Great Plains native wildflowers into commercial nursery production and also has conducted research on imperiled plants for the U.S. Fish and Wildlife Service and The Nature Conservancy.

Tovah Martin

Tovah Martin gardens fanatically and organically both indoors and throughout her seven-acre Connecticut garden. She is the author of many classic gardening books and the recipient of the Massachusetts Horticultural Society’s Gold Medal “for extraordinary service to horticulture, especially greenhouses and indoor plants.”

Meleah Maynard

Meleah Maynard is a journalist, editor, speaker, and master gardener. Her articles, essays, and columns have appeared in regional and national magazines and newspapers, including Northern Gardener, Garden, Deck & Landscape, Southwest Journal, Gardening How-To, History Channel and Midwest Home.

Marta McDowell

Marta McDowell lives, gardens, and writes in Chatham, New Jersey. She writes and lectures on gardening topics and teaches landscape history and horticulture at the New York Botanical Garden, where she studied landscape design. She also consults for public gardens and private clients. Her particular interest is in authors and their gardens, the connection between the pen and the trowel.

Larry Mellichamp

Larry Mellichamp is a professor of botany at the University of North Carolina at Charlotte and director of the university's botanical gardens. He has written many technical and popular articles on plants and gardening, appears regularly in the local media, and has co-authored four books, including Bizarre Botanicals.

Sarah Baker Munro

Sarah Baker Munro is past president of the board of Friends of Timberline Lodge, and has been voted the historian of Timberline Lodge by Friends of Timberline. She has appeared on several public broadcasting television segments related to lodges in the Pacific Northwest.

Kelly D. Norris

Kelly Norris is a horticulturist, plant breeder, and plantsman who lives in Des Moines, Iowa. He and his family own Rainbow Iris Farm, and he is currently the horticultural manager at the Greater Des Moines Botanical Garden. As a speaker he has garnered national acclaim for his presentations of information and personal stories that share his love and knowledge of horticulture.

Kathleen O'Brien

Kathleen O'Brien is a nationally recognized expert in the field of sustainable design, construction, and development. A prolific writer — and a highly sought-after guest speaker on green building issues — she has published over one hundred articles on topics related to her field.

Scott Ogden and Lauren Springer Ogden

Scott Ogden and Lauren Springer Ogden lecture internationally, emphasizing plant diversity and ecological attunement. They draw inspiration from studying wild plants in the United States, Mexico, Argentina, Europe, and South Africa. They have spoken at most major botanic gardens, public gardens, and arboreta in the United States.

Rachel Kathleen Pringle

Rachel Kathleen Pringle is programs manager for the San Francisco Green Schoolyard Alliance, as well as the urban school garden liaison for Occidental Arts and Ecology Center's school garden teacher training program in Sonoma County. She was previously a garden educator and coordinator of a public school garden in San Francisco.

Lee Reich

Lee Reich is an avid gardener who speaks frequently at garden symposia and clubs, grower conferences, and Master Gardener workshops. Lee invites us to join him in the garden, savoring the medley of flavors that uncommon fruits offer.

Barry A. Rice

Fascinated by observing carnivorous plants in the wild, Barry A. Rice travels throughout the U.S. to photograph these plants. He encourages plant enthusiasts to support only nurseries that do not collect their stock from the field.

Fern Richardson

Fern Richardson is the creator of the popular and critically-acclaimed garden blog, Life on the Balcony. A master gardener, amateur photographer, and garden designer, she lives in Long Beach, California, on a balcony with her many plants.

Kathleen A. Robson

Kali Robson has been attracted to plants since childhood, when she first gardened with her father. Her deepest interests involve the philosophy of science and evolutionary theory, and she wrote monthly columns on gardening with northwest natives for The Columbian in Vancouver, Washington.

Steve Sando

Through his company, Rancho Gordo, Steve Sando’s seed saving, bean production, and marketing efforts provide professional and home chefs with heirloom beans that would otherwise have been lost to history. Food + Wine magazine placed Steve “at the forefront of the current seed-saving movement.” Steve lives in Napa where he grows more than 25 varieties of heirloom beans; he travels frequently throughout the Americas collecting beans, friends, and adventures. His previous book, with Vanessa Barrington, was Heirloom Beans (Chronicle, 2008).

Claire E. Sawyers

Claire Sawyers is director of the Scott Arboretum of Swarthmore College, and brings both U.S. and international perspectives to her work. The recipient of several awards, she presently serves as a commissioner for the accreditation program of the American Association of Museums.

Kathy Guest Shadrack

Kathy Guest Shadrack has gardened passionately in Western New York for over 25 years and has maintained collections of hostas, irises, and daylilies. A former secretary of the American Iris Society, she is currently the secretary of the American Hosta Society.

Michael Shadrack

Michael Shadrack is a photographer with more than six thousand hosta images in his library. He is an active member of the British Hosta and Hemerocallis Society and the American Hosta Society, and has assumed leadership roles in both organizations. Michael regularly lectures on hostas in North America and Europe, and is an avid hybridizer as well.

Christopher Shein

Christopher Shein has started dozens of community, school, and market gardens. He teaches permaculture at Merritt Community College where he helped develop the award-winning student farm. Shein also owns Wildheart Gardens, a permaculture landscape business that designs and builds sustainable gardens.

Kathleen Smith

Kathleen Smith is a project architect, sustainability/LEED consultant, and project manager with over 13 years of professional experience. She is an experienced and sought after speaker and teacher on sustainable design, and is a faculty member with the U.S. Green Building Council.

Max Smith

Max Smith is a wildlife biologist currently working with the U.S. Forest Service. Since 2003, he has studied the mechanisms through which invasive plants and wildfire influence the reproductive success of birds.

Edmund C. Snodgrass

Edmund C. Snodgrass started the first green roof nursery in the United States and has collaborated on green roof research with colleges and universities. A fifth-generation farmer and nurseryman, he is owner and president of Emory Knoll Farms Inc. and Green Roof Plants in Street, Maryland, specializing in plants and horticultural consulting for green roofs.

Ivette Soler

Ivette Soler is a garden designer and writer living in Los Angeles, California. Ivette's garden writing has been featured in Garden Design, Cottage Living, and Budget Living, and she was the resident gardening expert on NBC's The Bonnie Hunt Show. Her popular gardening blog, The Germinatrix, originated in 2006 as a part of Domino magazine.

Lynn M. Steiner

Lynn M. Steiner has been a professional garden writer since 1987, focusing her writing since 2003 on native plants and how to bring them into home landscapes. She is the author of several articles and three books about landscaping with native plants in the Midwest, and is a regular contributor to Northern Gardener magazine. As a popular speaker, she travels extensively in the Midwest, visiting natural areas, native plant landscapes, and botanical gardens.

Steven L. Stephenson

Steven L. Stephenson is a research professor at the University of Arkansas in Fayetteville, where he served as director of a worldwide project to document the distribution of all the slime molds and their relatives. He has studied fungi and slime molds on six continents.

Guy Sternberg

A frequent lecturer for horticultural and natural resource organizations, Guy Sternberg holds the official oak genus Quercus living reference collection for North America. He was the first president of the International Oak Society and is a life member of the International Dendrology Society.

Judith Sumner

Judith Sumner is a popular lecturer for botanical and horticultural organizations, ranging from various garden clubs to the New York Botanical Garden. Her lectures are attended by inquisitive students of all ages, and she has been honored with awards for excellence in teaching.

Sarah Swanson

Sarah Swanson has worked as an environmental educator for the Audubon Society of Portland. She loves teaching adults and children about natural history by leading field trips and classes.

Caroline T. Swope

Caroline T. Swope is an instructor of art and architectural history at Seattle Central Community College, and has worked on preservation projects at the federal and local levels. Caroline is active in local historical organizations such as the Society of Architectural Historians.

Doug Tallamy

Doug Tallamy is currently professor and chair of the department of entomology and wildlife ecology at the University of Delaware in Newark, Delaware, where he has taught insect taxonomy, behavioral ecology, and other subjects. He won the Silver Medal from the Garden Writer's Association for his book, Bringing Nature Home.

L. Clarence Towe

L. Clarence Towe is eminently qualified to introduce American azaleas into gardens, and sets out each year with renewed anticipation of spotting new and uncultivated varieties. He meets remarkable plant enthusiasts and tells great stories about plant hunting.

Mark Turner

Mark Turner is a professional photographer who specializes in gardens and native plant environments. He combines a strong sense of photographic design, attention to detail, curiosity about both native and garden plants, and more than 30 years of exploring native plants in their environments.

Judith Knott Tyler

Judith Knott Tyler is an artist by training and channels her creativity into gardens, layering the forms and textures of plants into living sculptures. Judith brings a magnitude of life experience to her nursery work including time spent landscaping and producing vegetables for a communal farm in Canada.

Kathryn Wadsworth

Kathryn Wadsworth is a writer, photographer, and naturalist, who enjoys sharing the wonders of the natural world with others. Currently, she can be found presenting workshops around the United States on a wide variety of topics, from gardening to ecology.

Ira Wallace

Ira Wallace lives and gardens at Acorn Community Farm in Mineral, Virginia — the home of Southern Exposure Seed Exchange, where she coordinates variety selection and seed growers. Ira serves on the board of the Organic Seed Alliance and is also a co-organizer of the Heritage Harvest Festival at Monticello.

Jessica Walliser

Jessica Walliser cohosts The Organic Gardeners on KDKA radio in Pittsburgh, Pennsylvania. Her column "The Good Earth" appears twice weekly in the Pittsburgh Tribune-Review, and she is a regular contributor to Fine Gardening, Urban Farm, Popular Farming, Hobby Farms, and Hobby Farm Home magazines.

Bobby J. Ward

Bobby J. Ward travels extensively in order to interview modern plant explorers and see the landscape and locations where they do their species collecting. In his spare time, he enjoys reading and a sweet, peaceful dedication to his private gardens.

Marty Wingate

Marty Wingate is a Seattle-based writer and speaker about gardens and travel. She is the author of three other books and contributes articles to Landscape Architecture, American Gardener, Country Gardens, and Gardening How-To.

Beth O'Donnell Young

Beth O'Donnell Young is the owner of Beth Young Garden Design, a residential landscape design firm. She has taught do-it-yourself landscaping classes for nearly ten years.

Ellen Zachos

Ellen Zachos lectures on houseplants for horticultural organizations around the world. As a professional photographer, she illustrates her lectures with high-quality slides. A former Broadway performer Ellen recently released her first CD combining her two passions, plants and music.