| Rating | Book | Author |
| CA$H from Square Foot Gardening | Mel Bartholomew |
 (1) | Cacti | Vincent Cerutti |
| (1) | Cacti & Succulants for Cold Climates | Leo Chance |
| (2) | Cacti & Succulents | Hans Hecht |
| Cacti (Little Plant Library) | Terry Hewitt |
| (2) | Cacti and Succulents (Time-Life Encyclopedia of Gardening series) | Philip Perl |
| Cacti and Succulents: A Complete Guide to Species, Cultivation and Care | Gideon F. Smith |
| Cacti and Succulents: An Illustrated Guide to the Plants and their Cultivation | Graham Charles |
| Cacti and Succulents: Step-By-Step to Growing Success | Bill Keen |
| Cacti of the Desert Southwest | Meg Quinn |
| (1) | Cacti: The Illustrated Dictionary | Rod Preston-Mafham |
| Cactus and Succulents: A Care Manual | Tony Mace |
| Cactus Basics: A Comprehensive Guide to Cultivation and Care | Tony Mace |
| Cactus Country: A Friendly Introduction to Cacti of the Southwest Deserts | Jim Willoughby |
| (1) | Cactus Handbook | Tony Sato |
| (1) | Cactus Lexicon | Curt Backeberg |
| (2) | Cactus: The Most Beautiful Species and Their Care | Elisabeth Manke |
| California Gardener's Guide | Bruce Asakawa |
| California Gardener's Guide Volume II | Nan Sterman |
| California Gardening Rhythms | Bruce Asakawa |
| (1) | California Home Landscaping (rev. edition) | Roger Holmes |
| California Native Plants for the Garden | Carol Bornstein |
| California's Wild Gardens: A Guide to Favorite Botanical Sites | Phyllis M. Faber |
| Callaway Gardens: Legacy of a Dream | Steve Bender |
| Calochortus: Mariposas and Their Relatives | Mary E. Gerritsen |
| Camellias (Little Plant Library Series) | Jennifer Trehane |
| Camellias: The Gardener's Encylcopedia | Jennifer Trehane |
| Camellias: A Curator's Introduction to the Camellia Collection in the Huntington Botanical Gardens | Ann Richardson |
| Camellias: A Practical Gardening Guide | Yvonne Cave |
| Camellias: The Complete Guide to Their Cultivation and Use | Jennifer Trehane |
| Camomile (The Herb Library Series) | Kate Ferry-Swainson |
| (1) | Campanulas: A Gardener's Guide | Peter Lewis |
| Can My Petunia Be Saved? | Tamson Yeh |
| Can't Miss Container Gardening | Felder Rushing |
| Can't Miss Flower Gardening | Teri Dunn |
| Can't Miss Small Space Gardening | Melinda Myers |
| Can't Miss Water Gardening for the Mid-Atlantic & New England | Teri Dunn |
| (1) | Can't Miss Water Gardening for the Midwest | Teri Dunn |
| Can't Miss Water Gardening for the Northwest | Teri Dunn |
| Can't Miss Water Gardening for the South | Teri Dunn |
| Can't Miss Water Gardening for the Southwest | Teri Dunn |
| (1) | Canadian Encyclopedia of Plants and Flowers | Christopher Brickell |
| Canning & Preserving for Dummies | Karen Ward |
| Cape Bulbs: Their Collection, Cultivation and Conservation | Richard L. Doutt |
| (1) | Captivating Combinations: Color and Style in the Garden | Norman Winter |
| Capturing Nature: The Cement Sculpture of Dionicio Rodriguez | Patsy Pittman Light |
| Care-Free Plants: A Guide to Grow the 200 Hardiest Low-Maintenance, Long-Living Beauties | |
| (1) | Caring for Perennials | Janet Macunovich |
| Carnations and Pinks | Pamela McGeorge |
| (1) | Carnations and Pinks for Garden and Greenhouse: Their True History and Complete Cultivation | John Galbally |
| Carnivorous Plants of the United States and Canada | Donald E. Schnell |
| Carnivorous Plants of the World | James Pietropaolo |
| (12) | Carrots Love Tomatoes: Secrets of Companion Planting for Successful Gardening | Louise Riotte |
| Cassell's Directory of Foliage Gardens: Instant Reference to More Than 250 Plants | Richard Bird |
| Cassell's Directory Of Plants For Family Gardens: Everything You Need to Create a Garden | Lucy Huntington |
| Cassell's Directory of Plants for Wildlife Gardens | Lucy Huntington |
| Cassell's Directory of Scented Plants: Instant Reference to More Than 250 Plants | David Squire |
| (1) | Catalogue of the hostplants of the Neotropical butterflies | George W. Beccaloni |
| Catalogue of the Pressed Flowers in the Herbarium given to Florence Nightingale by Margaret Stovin in 1833 | Richard Mendelsohn |
| Catawba ConvertiCoops DIY Chicken Coop Plans: Urbane Coops for Urban Chickens | David P. Bissette |
| (2) | Caterpillars in the Field and Garden | Thomas J. Allen |
| (2) | Caterpillars of Eastern North America | David L. Wagner |
| (1) | Caudiciform and Pachycaul Succulents: Pachycauls, Bottle-, Barrel- and Elephant- Trees and Their Kin a Collector's Miscellany | Gordon Rowley |
| Cavendish Enclyclopedia of Pruning & Training | Christopher Brickell |
| Ceanothus | David Fross |
| Central Park, An American Masterpiece: A Comprehensive History of the Nation's First Urban Park | Sarah Cedar Miller |
| (1) | Chamaedorea Palms | Donald Hodel |
| Charleston Kedding: a History of Kitchen Gardening | Susan Campbell |
| (1) | Cheap and Easy Gardening | Bernice Boughner |
| Cheap and Easy Houseplants | Bernice Boughner |
| Chelsea: The Greatest Flower Show on Earth | Leslie Geddes-Brown |
| (2) | Chicken Soup for the Gardener's Soul, 101 Stories to Sow Seeds of Love, Hope and Laughter | Jack Canfield |
| (1) | Chickens In Your Backyard: A Beginner's Guide | Rick Luttmann |
| (1) | Chickens: Tending a Small-Scale Flock for Pleasure and Profit | Sue Weaver |
| Children and Gardens | Gertrude Jekyll |
| Chile Death (China Bayles Mystery) | Susan Wittig Albert |
| China Bayles' Book of Days | Susan Wittig Albert |
| Chinese Flower Arrangement | Hui-Lin Li |
| Choosing Your Clematis | Dr. John Howells |
| (1) | Christmas Cacti: The Genus Schlumbergera and Its Hybrids | A.J. McMillan |
| (1) | Christmas Cacti: The Genus Schlumbergia and its Hybrids | A.J.S. McMillan |
| (1) | Christopher Lloyd's Garden Flowers: Perennials, Bulbs, Grasses, Ferns | Christopher Lloyd |
| Christopher Lloyd's Gardening Year | Christopher Lloyd |
| Citrus | Lance Walheim |
| Citrus Growing in Florida | Larry K. Jackson |
| Citrus Varieties of the World, 2nd Edition | James Saunt |
| (1) | Citrus: Complete Guide to Selecting & Growing More Than 100 Varieties for California, Arizona, Texas, the Gulf Coast and Florida | Lance Walheim |
| Classic Bulbs: Hidden Treasures for the Modern Garden | Katherine Whiteside |
| Classic Garden Plans | David Stuart |
| Classic Garden Style: Planters, Furniture, Accessories, and Ornaments | Ines Heugel |
| (1) | Classic Plant Combinations | David Stuart |
| (2) | Classic Roses: An Illustrated Encyclopedia and Grower's Manual of Old Roses, Shrub Roses and Climbers | Peter Beales |
| Clematis | Christopher Lloyd |
| Clematis (A Care Manual) | Mary Toomey |
| Clematis (Little Plant Library) | Andrew Mikolajski |
| Clematis and Climbers (AHS Practical Guides) | David Gardener |
| (1) | Clematis as Companion Plants | Barry Fretwell |
| Clematis for All Seasons | John Feltwell |
| Clematis for Everyone | Raymond J. Evison |
| (1) | Clematis for Small Spaces: 150 High-Performance Plants for Patios, Decks, Balconies and Borders | Raymond J. Evison |
| Clematis: For Colour and Versatility | Keith Fair |
| (1) | Clematis: Inspiration, Selection and Practical Guidance | Charles Chesshire |
| Clematis: The Complete Guide | Ruth Gooch |
| Clematis: The Genus: A Comprehensive Guide for Gardeners, Horticulturists and Botanists | Christopher Grey-Wilson |
| Clematis: The Queen of Climbers | Jim Fisk |
| Climbing Plants | Kenneth A. Beckett |
| Climbing Roses (Little Plant Library) | Andrew Mikolajski |
| Climbing Roses of the World | Charles Quest-Ritson |
| (1) | Clivias | Harold Koopowitz |
| (1) | Cold Climate Gardening: How to Extend Your Growing Season by at Least 30 Days | Lewis Hill |
| Cold Storage for Fruits & Vegetables: Storey Country Wisdom Bulletin A-87 | John Storey |
| (5) | Coleus: Rainbow Foliage for Containers and Gardens | Ray Rogers |
| Collecting and Preserving Plants | Ruth B. (Alford) Macfarlane |
| Collecting, Processing and Germinating Seeds of Wildland Plants | James A. Young |
| (1) | Color by Design: Planting the Contemporary Garden | Nori Pope |
| (3) | Color Echoes: Harmonizing Color in the Garden | Pamela J. Harper |
| (1) | Color Encyclopedia of Garden Plants and Habitats | Fritz Kohlein |
| (3) | Color Encyclopedia of Ornamental Grasses: Sedges, Rushes, Restios, Cat-Tails, and Selected Bamboos | Rick Darke |
| (3) | Color for Adventurous Gardeners | Christopher Lloyd |
| (1) | Color for Your Winter Yard & Garden, with Flowers, Berries, Birds, and Trees | Helen Van Pelt Wilson |
| Color Handbook of Biological Control in Plant Protection | Neil Helyer |
| (1) | Color in My Garden: An American Gardener's Palette | Louise Beebe Wilder |
| Color in the Flower Garden | Gertrude Jekyll |
| Colorado Flora: Western Slope | William A. Weber |
| Colorado Flora: Eastern Slope | William A. Weber |
| Colorado Gardener's Guide | John Cretti |
| Colour in Your Garden | Penelope Hobhouse |
| Colour Schemes for the Flower Garden | Gertrude Jekyll |
| Colour Your Garden: A Portfolio of Inventive Planting Schemes | Mary Keen |
| Columbines: Aquilegia, Paraquilegia, and Semiquilegia | Robert Nold |
| Comfort Me With Apples | John Train |
| Commercial Hydroponics: How to Grow 86 Different Plants in Hydroponics | John Mason |
| (1) | Common Families of Flowering Plants | Michael Hickey |
| Common Flora of the Playa Lakes | David A. Haukos |
| Common or Garden Crime: An Irish Gardening Mystery (Rue Morgue Vintage Mystery) | Sheila Pim |
| (1) | Common Pests of Trees in Ontario | Ontario Ministry of Natural Resources |
| Common Poisonous Plants and Mushrooms of North America | Nancy J. Turner |
| Common Southwestern Native Plants: An Identification Guide | Jack L. Carter |
| Common Texas Grasses: An Illustrated Guide (W.L. Moody, Jr.'s Natural History series) | Frank Gould |
| Common to This Country: Botanical Discoveries of Lewis & Clark | Susan H. Munger |
| (1) | Community Gardening (Brooklyn Botanic Garden All-Region Guide) | Elizabeth Peters |
| (1) | Companion Planting for Australian Gardens | Kelly Morris |
| (1) | Companions to Clematis: Growing Clematis with Other Plants | Marigold Badcock |
| Compendium of Symbolic and Ritual Plants in Europe, Vol. I & II | Marcel De Cleene |
| (1) | Complete Book of Gourd Carving | Jim Widess |
| (4) | Complete Book of Herbs | Lesley Bremness |
| (1) | Complete Book of Vegetables: The Practical Sourcebook Growing Harvesting and Cooking Vegetables | Matthew Biggs |
| Complete Garden Guide to the Native Perennials of California | Glenn Keator |
| (1) | Complete Guide to Florida Gardening | Stan deFreitas |
| Complete Guide to Flower Arranging | Jane Packer |
| Complete Guide to Flower Gardening (Better Homes and Gardens | Michael McKinley |
| Complete Guide to Houseplants | Denny Schrock |
| Complete Guide to Water Gardens, Ponds & Fountains | Kathleen Fisher |
| Complete Herb Encyclopedia | Nico Vermeulen |
| (1) | Complete Home Gardening | Miranda Smith |
| (2) | Complete Home Landscaping | Catriona Tudor Erler |
| Complete Houseplants: Featuring over 240 Easy-Care Favorites | Jack Kramer |
| Complete Roses: Featuring 100 Easy-growing Favorites | Field Roebuck |
| Complete Trees, Shrubs & Hedges | Jacqueline Heriteau |
| Compost | Organic Gardening Magazine |
| (2) | Compost | Clare Foster |
| Compost Makes the Strawberries Grow: A Mother's Celebration of Parenting--Its Challenges, Humor and Rewards | Lolita Jardeleza |
| Compost This Book! The Art of Composting for Your Yard, Your Community, and the Planet | Thomas Christopher |
| Compost Utilization In Horticultural Cropping Systems | Peter J Stoffella |
| Compost: the natural way to make food for your garden | Ken Thompson |
| Composting (Smith & Hawken) | Liz Ball |
| Composting to Reduce the Waste Stream: A Guide to Small Scale Food and Yard Waste Composting | Nancy Dickson |
| (1) | Confessions of a Vegetable Lover | S.M.R. Saia |
| Conifer Defoliators of British Columbia | Robert W. Duncan |
| Conifers for Gardens: An Illustrated Encyclopedia | Richard L. Bitner |
| Conifers of California | Ronald M. Lanner |
| Conifers: The Illustrated Encyclopedia (2 volumes) | D.M. van Gelderen |
| Conservatory Style: Garden Rooms, Glasshouses, and Sunrooms | Jackum Brown |
| Consider the Leaf: Foliage in Garden Design | Judy Glattstein |
| Contain Yourself: 101 Fresh Ideas for Fantastic Container Gardens | Kerstin P. Ouellet |
| (1) | Container Gardening | Paul Williams |
| Container Gardening | Vicki Webster |
| Container Gardening (Southern Living Garden Guide Series) | Jennifer Greer |
| Container Gardening for Dummies | Bill Marken |
| Container Gardening for Health: The 12 Most Important Fruits & Vegetables for Your Organic Garden | Barbara Barker |
| Container Gardening in Hawaii | Janice Crowl |
| Container Gardening: The Complete Practical Guide to Container Gardening, Indoors and Outdoors | Stephanie Donaldson |
| (1) | Container Gardening: Through the Year | Malcolm Hillier |
| Container Gardening; Using Containers To Enhance Your Garden | Anthony Atha |
| Container Gardens by Number: 50 Colorful Plant-By-Number Plans for Hanging Baskets, Pots, and Window Boxes | Bob Purnell |
| Container Gardens: How to Create Beautiful Gardens Step by Step in Pots Indoors and Out | Peter McHoy |
| Container Gardens: Everything You Need to Know to Plan, Plant, and Care for a Beautiful, Low-Maintenance Garden | Daria Price Bowman |
| Container Gardens: Fresh Ideas for Creating Beautiful Potted Gardens | |
| Container Topiary | Susan Berry |
| Container Water Gardens | Philip Swindells |
| Containers (Garden Project Workbooks) | George Carter |
| Containers for Patios: Simple Steps to Success | Val Bourne |
| (3) | Continuous Bloom | Pam Duthie |
| (1) | Continuous Color | Pam Duthie |
| Cornucopia II | Stephen Facciola |
| Cottage Garden Flowers | Margery Fish |
| Cottage Gardens | Philip Edinger |
| Country House Kitchen Garden 1600-1950: How Produce was Grown and How It Was Used | C. Anne Wilson |
| Country Living Cottage Gardens | Toby Musgrave |
| Country Living Gardener's Gardening Basics: How to Design, Plant & Maintain Your Garden | Ken Beckett |
| (1) | Courtyard Gardens | Toby Musgrave |
| (1) | Courtyards: Aesthetic, Social, and Thermal Delight (Hardcover) | John S. Reynolds |
| Courtyards: Intimate Outdoor Spaces | Douglas Keister |
| (1) | Cox's Guide to Choosing Rhododendrons | Peter Cox |
| (1) | Crassula - A Grower's Guide | Gordon Rowley |
| Crazy About Cacti and Succulents (Brooklyn Botanic Garden All-Region Guide) | Ray Rogers |
| (1) | Crazy About Gardening: Humorous Reflections on the Sweet Seductions of a Garden | Des Kennedy |
| Creating a Cottage Garden in North America | Stephen Westcott-Gratton |
| Creating A Forest Garden | Martin Crawford |
| Creating a Herb Garden: Designing, Planting and Growing - A Practical Guide | Jessica Houdret |
| Creating A Hummingbird Garden | Marcus Schneck |
| (1) | Creating a Perennial Garden in the Midwest | Joan Severa (photographer) |
| (3) | Creating and Planting Garden Troughs | Joyce Fingerut |
 (2) | Creating Beds and Borders | |
| (1) | Creating Contrast with Dark Plants | Freya Martin |
| Creating Garden Accents | Jerri Farris |
| Creating Japanese Gardens | Philip Cave |
| Creating the Prairie Xeriscape: low-maintenance, water-efficient gardening | Sara Williams |
| (1) | Creating Water Gardens | Ortho Books |
| Creating Your Eco-Friendly Garden | Mary Horsfall |
| Creating Your Own Japanese Garden | Takashi Sawano |
| Creative Concrete Ornaments for the Garden: Making Pots, Planters, Birdbaths, Sculpture & More | Sherri Warner Hunter |
| Creative Flower Arranging: Floral Design for Home and Flower Show | Betty Belcher |
| Creative Garden Lighting | Michele Osborne |
| (1) | Creative Propagation: A Grower's Guide | Peter Thompson |
| Creative Scarecrows: 35 Fun Figures for Your Yard & Garden | Marianne Miller |
| (2) | Crockett's Flower Garden | James Underwood Crockett |
| Crockett's Victory Garden | James Underwood Crockett |
| Crocosmia and Chasmanthe (Royal Horticultural Society Plant Collector Guide) | Peter Goldblatt |
| (1) | Cubed Foot Gardening: Growing Vegetables in Raised, Intensive Beds | Christopher Bird |
| Cucumbers, Melons & Gourds From Seed To Supper | Jack W. Hazelton |
| Culpeper's Complete Herbal | Nicholas Culpeper |
| Cultivated Gardener: A Two-Year Garden Journal | Cathy Wilkinson Barash |
| Cultivated Hemlocks | John Swartley |
| Cultivating elight: A Natural History of My Garden | Diane Ackerman |
| Cultivating Sacred Space: Gardening for the Soul | Elizabeth Murray |
| Cutting Edge Gardening in the Intermountain West | Marcia Tatroe |
| (1) | Cutting Gardens | Barbara Pleasant |
| Cutting Gardens: The Complete Guide to Growing Flowers and Creating Spectacular Arrangements for Every Season and Every Region | Anne Moyer Halpin |
| Cuttings from a Rock Garden: Plant Portraits and Other Essays | H. Lincoln Foster |
| Cuttings from my garden notebook | Graham Stuart Thomas |
| (1) | Cycads of Africa | Douglass Goode |
| (1) | Cycads of Australia | Ken Hill |
| (1) | Cycads of the World | David L. Jones |
| Cyclamen: A Guide for Gardeners, Horticulturists and Botanists | Christopher Grey-Wilson |
