| Rating | Book | Author |
| Waking Up the Garden: Planting, Clearing, and Other Spring Tasks | Steve Bradley |
| Walks, Walls & Patios: Plan, Design & Build | editors of Creative Homeowner |
| Wall and Water Gardens | Gertrude Jekyll |
| Washington & Oregon Gardener's Guide | Debra Prinzing |
| Water and Nutrient Management for Greenhouses | Thomas C. Weiler, editor |
| Water Features for Small Gardens: From Concept to Construction | Keith Davitt |
| Water Garden Plants for Canada | Alison Beck |
(2) | Water Gardening in Containers | Helen Nash |
(1) | Water gardening: Water Lilies and Lotuses | Perry D. Slocum |
| Water Gardens | Editors of Sunset Books & Magazines |
| Water Gardens (Better Homes and Gardens) | Cathy Barash |
| Water Gardens: A Guide to Creating, Caring For, and Enjoying Aquatic Landscaping | Teri Dunn |
| Water Gardens: Simple Projects, Contemporary Designs (The Garden Design Series) | Hazel White |
| Water-efficient Gardening | John Marder |
| Waterfalls and Fountains (The Water Garden Handbook) | Philip Swindells |
| Waterlilies and Lotuses: Species, Cultivars, and New Hybrids | Perry D. Slocum |
| Waterwise Landscaping with Trees, Shrubs, and Vines: A Xeriscape Guide for the Rocky Mountain Region, California, and the Desert Southwest | Jim Knopf |
(3) | We Made a Garden | Margery Fish |
(1) | Weed 'em and Reap: A Weed Eater Reader | Roger Welsch |
| Weeder's Digest: The Best of GreenPrints | Pat Stone |
(1) | Weedless Gardening | Lee Reich |
(1) | Weeds (Golden Guide) | Alexander C. Martin |
(1) | Weeds in My Garden: Observations on Some Misunderstood Plants | Charles B. Heiser |
| Weeds of Canada and the Northern United States | France Royer |
(2) | Weeds of the Great Plains | Dr. James Stubbendieck |
(2) | Weeds of the Northeast | Richard H. Uva |
(1) | Weeds of the South | Charles T. Bryson |
(1) | Weeds: Friend or Foe? | Sally Roth |
| Weiser Concise Guide to Herbal Magick | Judith Hawkins-Tillirson |
(1) | Welcoming Wildlife to the Garden: Creating Backyard & Balcony Habitats for Wildlife | Catherine J. Johnson |
| Well-Clad Windowsills | Tovah Martin |
(36) | Western Garden Book | Kathleen Norris Brenzel |
(1) | Western Garden Problem Solver | Editors of Sunset Books & Magazines |
| What Herb is That? How to Grow and Use the Culinary Herbs | John Hemphill |
| What Houseplant Where | Roy Lancaster |
(1) | What I Learned from God While Gardening | Niki Anderson |
| What Plant Where | Roy Lancaster |
| What the "Experts" May Not Tell You about Growing the Perfect Lawn | Thomas Leo Ogren |
(1) | What's Wrong With My Plant? | David Deardorff |
| Where on Earth: A Guide to Specialty Nurseries and Other Resources for California Gardeners (4th edition) | Barbara Stevens |
| Whispers in a Secret Garden: Poetry and Haiku | Gordon Phillips |
(1) | White Cats & Lilacs | Teresa Keene |
| Whitetail Gardening: A Look at Micro-Food Plots | Vaughn Heath Perkins |
| Who Does Your Garden Grow? | Alex Parkhurst |
(1) | Wicked Plants: A Book of Botanical Atrocities | Briony Morrow-Cribbs |
| Wild Edible Plants of Western North America | Donald R. Kirk |
(1) | Wild Flowers for your Garden | Helen S. Hull |
| Wild Flowers of America: 400 Flowers in Full Color | Harold W. Rickett |
(1) | Wild Flowers of British Columbia | Lewis J. Clark |
(1) | Wild Flowers of North Carolina: Also covering Virginia, South Carolina, and areas of Georgia, Tennessee, Kentucky, West Virginia, Maryland, and Delaware | William S. Justice |
(1) | Wild Flowers of the Big Thicket | Geyata Ajilvsgi |
| Wild Flowers of the Moors and Heaths: a Fully Illustrated Introduction to Some Characteristic Species | E.A. Ellis |
(1) | Wild Flowers ~ American Nature Guides | Pamela Forey |
| Wild Lilies, Irises, and Grasses: Gardening With California Monocots | Nora Harlow |
| Wild Orchids Across North America: A Botanical Travelogue | Philip E. Keenan |
| Wild Woman's Garden: 7 Radical Weeds for Women Over 40 (The Garden Remedy Series) | Christie V. Sarles |
(1) | Wildflower Gardening | James Underwood Crockett |
(2) | Wildflowers and Ferns of Kentucky | Thomas G. Barnes |
| Wildflowers and Winter Weeds | Lauren Brown |
| Wildflowers of Colorado Field Guide | Don Mammoser |
| Wildflowers of Georgia | Hugh O. Nourse |
| Wildflowers of Indiana | Maryrose Wampler |
(2) | Wildflowers Of Tennessee, The Ohio Valley and the Southern Appalachians | Thomas Hemmerly |
(3) | Wildflowers of Texas | Geyata Ajilvsgi |
| Wildflowers of the Blue Ridge Parkway | J. Anthony Alderman |
| Wildflowers of the Desert Southwest | Meg Quinn |
(1) | Wildflowers of the Eastern United States | Marion B. Duncan |
| Wildflowers of the Fairest Cape | Peter Goldblatt |
| Wildflowers of the Pacific Northwest | Larry Ulrich |
(1) | Wildflowers of the Santa Monica Mountains | Milt McAuley |
| Wildflowers of the Shenandoah Valley and Blue Ridge Mountains | Oscar W. Gupton |
(1) | Wildflowers of the Texas Hill Country | Marshall Enquist |
| Wildflowers of the Western Cascades | Robert A. Ross |
| Wildflowers of Wisconsin: Field Guide | Stan Tekiela |
(1) | Wildflowers: A Guide to Growing and Propagating Native Flowers of North America | William Cullina |
| Wildlife-Friendly Plants: Make Your Garden a Haven for Beneficial Insects, Amphibians and Birds | Rosemary Creeser |
(1) | Wildly Successful Plants: Northern California | Pam Peirce |
| Willows: The Genus Salix | Christopher Newsholme |
| Winter Gardens (Time-Life Encyclopedia of Gardening series) | Oliver E. Allen |
| Winter Ornamentals For the Maritime Northwest Gardener (Cascadia Gardening Series) | Daniel J. Hinkley |
| Winter Tree Finder | May Theilgaard Watts |
| Winter Weed Finder: A Guide to Dry Plants in Winter | Dorcas S. Miller |
| Winter-flowering Shrubs | Michael W. Buffin |
| Wisconsin's Natural Communities: How to Recognize Them, Where to Find Them | Randy Hoffman |
| Wisterias: A Comprehensive Guide | Peter Valder |
| Witch Hazels (The Royal Horticultural Society Plant Collector Guide) | Christopher Lane |
| Witches' Bane (China Bayles Mystery) | Susan Wittig Albert |
(1) | Women of Flowers: A Tribute to Victorian Women Illustrators | Jack Kramer |
| Wonders of the Winter Landscape: Shrubs and Trees to Brighten the Cold-Weather Garden | Vincent A. Simeone |
| Wood and Garden: Notes and Thoughts, Practical and Critical of a Working Amateur | Gertrude Jekyll |
| Wood Turning for the Garden with Mike Cripps: Projects for Outdoors | Mike Cripps |
| Woody Plants of the Southwest | Samuel H. Lamb |
(4) | Worms Eat My Garbage: How to Set Up & Maintain a Worm Composting System | Mary Appelhof |
(1) | Wyman's Gardening Encyclopedia | Donald Wyman |